Annotation of elwix/files/sqlite/dist/shell.c, revision 1.3.14.1

1.2       misho       1: /*
                      2: ** 2001 September 15
                      3: **
                      4: ** The author disclaims copyright to this source code.  In place of
                      5: ** a legal notice, here is a blessing:
                      6: **
                      7: **    May you do good and not evil.
                      8: **    May you find forgiveness for yourself and forgive others.
                      9: **    May you share freely, never taking more than you give.
                     10: **
                     11: *************************************************************************
                     12: ** This file contains code to implement the "sqlite" command line
                     13: ** utility for accessing SQLite databases.
                     14: */
                     15: #if (defined(_WIN32) || defined(WIN32)) && !defined(_CRT_SECURE_NO_WARNINGS)
                     16: /* This needs to come before any includes for MSVC compiler */
                     17: #define _CRT_SECURE_NO_WARNINGS
                     18: #endif
                     19: 
                     20: /*
1.3.14.1! misho      21: ** If requested, include the SQLite compiler options file for MSVC.
        !            22: */
        !            23: #if defined(INCLUDE_MSVC_H)
        !            24: #include "msvc.h"
        !            25: #endif
        !            26: 
        !            27: /*
        !            28: ** No support for loadable extensions in VxWorks.
        !            29: */
        !            30: #if (defined(__RTP__) || defined(_WRS_KERNEL)) && !SQLITE_OMIT_LOAD_EXTENSION
        !            31: # define SQLITE_OMIT_LOAD_EXTENSION 1
        !            32: #endif
        !            33: 
        !            34: /*
1.2       misho      35: ** Enable large-file support for fopen() and friends on unix.
                     36: */
                     37: #ifndef SQLITE_DISABLE_LFS
                     38: # define _LARGE_FILE       1
                     39: # ifndef _FILE_OFFSET_BITS
                     40: #   define _FILE_OFFSET_BITS 64
                     41: # endif
                     42: # define _LARGEFILE_SOURCE 1
                     43: #endif
                     44: 
                     45: #include <stdlib.h>
                     46: #include <string.h>
                     47: #include <stdio.h>
                     48: #include <assert.h>
                     49: #include "sqlite3.h"
1.3.14.1! misho      50: #if SQLITE_USER_AUTHENTICATION
        !            51: # include "sqlite3userauth.h"
        !            52: #endif
1.2       misho      53: #include <ctype.h>
                     54: #include <stdarg.h>
                     55: 
1.3       misho      56: #if !defined(_WIN32) && !defined(WIN32)
1.2       misho      57: # include <signal.h>
                     58: # if !defined(__RTP__) && !defined(_WRS_KERNEL)
                     59: #  include <pwd.h>
                     60: # endif
                     61: # include <unistd.h>
                     62: # include <sys/types.h>
                     63: #endif
                     64: 
1.3.14.1! misho      65: #if HAVE_READLINE
1.2       misho      66: # include <readline/readline.h>
                     67: # include <readline/history.h>
                     68: #endif
1.3.14.1! misho      69: 
        !            70: #if HAVE_EDITLINE
        !            71: # include <editline/readline.h>
        !            72: #endif
        !            73: 
        !            74: #if HAVE_EDITLINE || HAVE_READLINE
        !            75: 
        !            76: # define shell_add_history(X) add_history(X)
        !            77: # define shell_read_history(X) read_history(X)
        !            78: # define shell_write_history(X) write_history(X)
        !            79: # define shell_stifle_history(X) stifle_history(X)
        !            80: # define shell_readline(X) readline(X)
        !            81: 
        !            82: #elif HAVE_LINENOISE
        !            83: 
        !            84: # include "linenoise.h"
        !            85: # define shell_add_history(X) linenoiseHistoryAdd(X)
        !            86: # define shell_read_history(X) linenoiseHistoryLoad(X)
        !            87: # define shell_write_history(X) linenoiseHistorySave(X)
        !            88: # define shell_stifle_history(X) linenoiseHistorySetMaxLen(X)
        !            89: # define shell_readline(X) linenoise(X)
        !            90: 
        !            91: #else
        !            92: 
        !            93: # define shell_read_history(X)
        !            94: # define shell_write_history(X)
        !            95: # define shell_stifle_history(X)
        !            96: 
        !            97: # define SHELL_USE_LOCAL_GETLINE 1
1.2       misho      98: #endif
                     99: 
1.3.14.1! misho     100: 
1.2       misho     101: #if defined(_WIN32) || defined(WIN32)
                    102: # include <io.h>
1.3.14.1! misho     103: # include <fcntl.h>
        !           104: # define isatty(h) _isatty(h)
        !           105: # ifndef access
        !           106: #  define access(f,m) _access((f),(m))
        !           107: # endif
        !           108: # undef popen
        !           109: # define popen _popen
        !           110: # undef pclose
        !           111: # define pclose _pclose
1.2       misho     112: #else
1.3.14.1! misho     113:  /* Make sure isatty() has a prototype. */
        !           114:  extern int isatty(int);
        !           115: 
        !           116: # if !defined(__RTP__) && !defined(_WRS_KERNEL)
        !           117:   /* popen and pclose are not C89 functions and so are
        !           118:   ** sometimes omitted from the <stdio.h> header */
        !           119:    extern FILE *popen(const char*,const char*);
        !           120:    extern int pclose(FILE*);
        !           121: # else
        !           122: #  define SQLITE_OMIT_POPEN 1
        !           123: # endif
1.2       misho     124: #endif
                    125: 
                    126: #if defined(_WIN32_WCE)
                    127: /* Windows CE (arm-wince-mingw32ce-gcc) does not provide isatty()
                    128:  * thus we always assume that we have a console. That can be
                    129:  * overridden with the -batch command line option.
                    130:  */
                    131: #define isatty(x) 1
                    132: #endif
                    133: 
                    134: /* ctype macros that work with signed characters */
                    135: #define IsSpace(X)  isspace((unsigned char)X)
                    136: #define IsDigit(X)  isdigit((unsigned char)X)
                    137: #define ToLower(X)  (char)tolower((unsigned char)X)
                    138: 
1.3.14.1! misho     139: #if defined(_WIN32) || defined(WIN32)
        !           140: #include <windows.h>
        !           141: 
        !           142: /* string conversion routines only needed on Win32 */
        !           143: extern char *sqlite3_win32_unicode_to_utf8(LPCWSTR);
        !           144: extern char *sqlite3_win32_mbcs_to_utf8_v2(const char *, int);
        !           145: extern char *sqlite3_win32_utf8_to_mbcs_v2(const char *, int);
        !           146: #endif
        !           147: 
        !           148: /* On Windows, we normally run with output mode of TEXT so that \n characters
        !           149: ** are automatically translated into \r\n.  However, this behavior needs
        !           150: ** to be disabled in some cases (ex: when generating CSV output and when
        !           151: ** rendering quoted strings that contain \n characters).  The following
        !           152: ** routines take care of that.
        !           153: */
        !           154: #if defined(_WIN32) || defined(WIN32)
        !           155: static void setBinaryMode(FILE *file, int isOutput){
        !           156:   if( isOutput ) fflush(file);
        !           157:   _setmode(_fileno(file), _O_BINARY);
        !           158: }
        !           159: static void setTextMode(FILE *file, int isOutput){
        !           160:   if( isOutput ) fflush(file);
        !           161:   _setmode(_fileno(file), _O_TEXT);
        !           162: }
        !           163: #else
        !           164: # define setBinaryMode(X,Y)
        !           165: # define setTextMode(X,Y)
        !           166: #endif
        !           167: 
        !           168: 
        !           169: /* True if the timer is enabled */
        !           170: static int enableTimer = 0;
        !           171: 
        !           172: /* Return the current wall-clock time */
        !           173: static sqlite3_int64 timeOfDay(void){
        !           174:   static sqlite3_vfs *clockVfs = 0;
        !           175:   sqlite3_int64 t;
        !           176:   if( clockVfs==0 ) clockVfs = sqlite3_vfs_find(0);
        !           177:   if( clockVfs->iVersion>=2 && clockVfs->xCurrentTimeInt64!=0 ){
        !           178:     clockVfs->xCurrentTimeInt64(clockVfs, &t);
        !           179:   }else{
        !           180:     double r;
        !           181:     clockVfs->xCurrentTime(clockVfs, &r);
        !           182:     t = (sqlite3_int64)(r*86400000.0);
        !           183:   }
        !           184:   return t;
        !           185: }
        !           186: 
        !           187: #if !defined(_WIN32) && !defined(WIN32) && !defined(__minux)
1.2       misho     188: #include <sys/time.h>
                    189: #include <sys/resource.h>
                    190: 
1.3.14.1! misho     191: /* VxWorks does not support getrusage() as far as we can determine */
        !           192: #if defined(_WRS_KERNEL) || defined(__RTP__)
        !           193: struct rusage {
        !           194:   struct timeval ru_utime; /* user CPU time used */
        !           195:   struct timeval ru_stime; /* system CPU time used */
        !           196: };
        !           197: #define getrusage(A,B) memset(B,0,sizeof(*B))
        !           198: #endif
        !           199: 
1.2       misho     200: /* Saved resource information for the beginning of an operation */
1.3.14.1! misho     201: static struct rusage sBegin;  /* CPU time at start */
        !           202: static sqlite3_int64 iBegin;  /* Wall-clock time at start */
1.2       misho     203: 
                    204: /*
                    205: ** Begin timing an operation
                    206: */
                    207: static void beginTimer(void){
                    208:   if( enableTimer ){
                    209:     getrusage(RUSAGE_SELF, &sBegin);
1.3.14.1! misho     210:     iBegin = timeOfDay();
1.2       misho     211:   }
                    212: }
                    213: 
                    214: /* Return the difference of two time_structs in seconds */
                    215: static double timeDiff(struct timeval *pStart, struct timeval *pEnd){
1.3.14.1! misho     216:   return (pEnd->tv_usec - pStart->tv_usec)*0.000001 +
1.2       misho     217:          (double)(pEnd->tv_sec - pStart->tv_sec);
                    218: }
                    219: 
                    220: /*
                    221: ** Print the timing results.
                    222: */
                    223: static void endTimer(void){
                    224:   if( enableTimer ){
1.3.14.1! misho     225:     sqlite3_int64 iEnd = timeOfDay();
1.2       misho     226:     struct rusage sEnd;
                    227:     getrusage(RUSAGE_SELF, &sEnd);
1.3.14.1! misho     228:     printf("Run Time: real %.3f user %f sys %f\n",
        !           229:        (iEnd - iBegin)*0.001,
1.2       misho     230:        timeDiff(&sBegin.ru_utime, &sEnd.ru_utime),
                    231:        timeDiff(&sBegin.ru_stime, &sEnd.ru_stime));
                    232:   }
                    233: }
                    234: 
                    235: #define BEGIN_TIMER beginTimer()
                    236: #define END_TIMER endTimer()
                    237: #define HAS_TIMER 1
                    238: 
                    239: #elif (defined(_WIN32) || defined(WIN32))
                    240: 
                    241: /* Saved resource information for the beginning of an operation */
                    242: static HANDLE hProcess;
                    243: static FILETIME ftKernelBegin;
                    244: static FILETIME ftUserBegin;
1.3.14.1! misho     245: static sqlite3_int64 ftWallBegin;
        !           246: typedef BOOL (WINAPI *GETPROCTIMES)(HANDLE, LPFILETIME, LPFILETIME,
        !           247:                                     LPFILETIME, LPFILETIME);
1.2       misho     248: static GETPROCTIMES getProcessTimesAddr = NULL;
                    249: 
                    250: /*
                    251: ** Check to see if we have timer support.  Return 1 if necessary
                    252: ** support found (or found previously).
                    253: */
                    254: static int hasTimer(void){
                    255:   if( getProcessTimesAddr ){
                    256:     return 1;
                    257:   } else {
1.3.14.1! misho     258:     /* GetProcessTimes() isn't supported in WIN95 and some other Windows
        !           259:     ** versions. See if the version we are running on has it, and if it
        !           260:     ** does, save off a pointer to it and the current process handle.
1.2       misho     261:     */
                    262:     hProcess = GetCurrentProcess();
                    263:     if( hProcess ){
                    264:       HINSTANCE hinstLib = LoadLibrary(TEXT("Kernel32.dll"));
                    265:       if( NULL != hinstLib ){
1.3.14.1! misho     266:         getProcessTimesAddr =
        !           267:             (GETPROCTIMES) GetProcAddress(hinstLib, "GetProcessTimes");
1.2       misho     268:         if( NULL != getProcessTimesAddr ){
                    269:           return 1;
                    270:         }
1.3.14.1! misho     271:         FreeLibrary(hinstLib);
1.2       misho     272:       }
                    273:     }
                    274:   }
                    275:   return 0;
                    276: }
                    277: 
                    278: /*
                    279: ** Begin timing an operation
                    280: */
                    281: static void beginTimer(void){
                    282:   if( enableTimer && getProcessTimesAddr ){
                    283:     FILETIME ftCreation, ftExit;
1.3.14.1! misho     284:     getProcessTimesAddr(hProcess,&ftCreation,&ftExit,
        !           285:                         &ftKernelBegin,&ftUserBegin);
        !           286:     ftWallBegin = timeOfDay();
1.2       misho     287:   }
                    288: }
                    289: 
                    290: /* Return the difference of two FILETIME structs in seconds */
                    291: static double timeDiff(FILETIME *pStart, FILETIME *pEnd){
                    292:   sqlite_int64 i64Start = *((sqlite_int64 *) pStart);
                    293:   sqlite_int64 i64End = *((sqlite_int64 *) pEnd);
                    294:   return (double) ((i64End - i64Start) / 10000000.0);
                    295: }
                    296: 
                    297: /*
                    298: ** Print the timing results.
                    299: */
                    300: static void endTimer(void){
                    301:   if( enableTimer && getProcessTimesAddr){
                    302:     FILETIME ftCreation, ftExit, ftKernelEnd, ftUserEnd;
1.3.14.1! misho     303:     sqlite3_int64 ftWallEnd = timeOfDay();
        !           304:     getProcessTimesAddr(hProcess,&ftCreation,&ftExit,&ftKernelEnd,&ftUserEnd);
        !           305:     printf("Run Time: real %.3f user %f sys %f\n",
        !           306:        (ftWallEnd - ftWallBegin)*0.001,
1.2       misho     307:        timeDiff(&ftUserBegin, &ftUserEnd),
                    308:        timeDiff(&ftKernelBegin, &ftKernelEnd));
                    309:   }
                    310: }
                    311: 
                    312: #define BEGIN_TIMER beginTimer()
                    313: #define END_TIMER endTimer()
                    314: #define HAS_TIMER hasTimer()
                    315: 
                    316: #else
1.3.14.1! misho     317: #define BEGIN_TIMER
1.2       misho     318: #define END_TIMER
                    319: #define HAS_TIMER 0
                    320: #endif
                    321: 
                    322: /*
                    323: ** Used to prevent warnings about unused parameters
                    324: */
                    325: #define UNUSED_PARAMETER(x) (void)(x)
                    326: 
                    327: /*
                    328: ** If the following flag is set, then command execution stops
                    329: ** at an error if we are not interactive.
                    330: */
                    331: static int bail_on_error = 0;
                    332: 
                    333: /*
                    334: ** Threat stdin as an interactive input if the following variable
                    335: ** is true.  Otherwise, assume stdin is connected to a file or pipe.
                    336: */
                    337: static int stdin_is_interactive = 1;
                    338: 
                    339: /*
1.3.14.1! misho     340: ** On Windows systems we have to know if standard output is a console
        !           341: ** in order to translate UTF-8 into MBCS.  The following variable is
        !           342: ** true if translation is required.
        !           343: */
        !           344: static int stdout_is_console = 1;
        !           345: 
        !           346: /*
1.2       misho     347: ** The following is the open SQLite database.  We make a pointer
                    348: ** to this database a static variable so that it can be accessed
                    349: ** by the SIGINT handler to interrupt database processing.
                    350: */
1.3.14.1! misho     351: static sqlite3 *globalDb = 0;
1.2       misho     352: 
                    353: /*
                    354: ** True if an interrupt (Control-C) has been received.
                    355: */
                    356: static volatile int seenInterrupt = 0;
                    357: 
                    358: /*
                    359: ** This is the name of our program. It is set in main(), used
                    360: ** in a number of other places, mostly for error messages.
                    361: */
                    362: static char *Argv0;
                    363: 
                    364: /*
                    365: ** Prompt strings. Initialized in main. Settable with
                    366: **   .prompt main continue
                    367: */
                    368: static char mainPrompt[20];     /* First line prompt. default: "sqlite> "*/
                    369: static char continuePrompt[20]; /* Continuation prompt. default: "   ...> " */
                    370: 
                    371: /*
1.3.14.1! misho     372: ** Render output like fprintf().  Except, if the output is going to the
        !           373: ** console and if this is running on a Windows machine, translate the
        !           374: ** output from UTF-8 into MBCS.
        !           375: */
        !           376: #if defined(_WIN32) || defined(WIN32)
        !           377: void utf8_printf(FILE *out, const char *zFormat, ...){
        !           378:   va_list ap;
        !           379:   va_start(ap, zFormat);
        !           380:   if( stdout_is_console && (out==stdout || out==stderr) ){
        !           381:     char *z1 = sqlite3_vmprintf(zFormat, ap);
        !           382:     char *z2 = sqlite3_win32_utf8_to_mbcs_v2(z1, 0);
        !           383:     sqlite3_free(z1);
        !           384:     fputs(z2, out);
        !           385:     sqlite3_free(z2);
        !           386:   }else{
        !           387:     vfprintf(out, zFormat, ap);
        !           388:   }
        !           389:   va_end(ap);
        !           390: }
        !           391: #elif !defined(utf8_printf)
        !           392: # define utf8_printf fprintf
        !           393: #endif
        !           394: 
        !           395: /*
        !           396: ** Render output like fprintf().  This should not be used on anything that
        !           397: ** includes string formatting (e.g. "%s").
        !           398: */
        !           399: #if !defined(raw_printf)
        !           400: # define raw_printf fprintf
        !           401: #endif
        !           402: 
        !           403: /*
1.2       misho     404: ** Write I/O traces to the following stream.
                    405: */
                    406: #ifdef SQLITE_ENABLE_IOTRACE
                    407: static FILE *iotrace = 0;
                    408: #endif
                    409: 
                    410: /*
                    411: ** This routine works like printf in that its first argument is a
                    412: ** format string and subsequent arguments are values to be substituted
                    413: ** in place of % fields.  The result of formatting this string
                    414: ** is written to iotrace.
                    415: */
                    416: #ifdef SQLITE_ENABLE_IOTRACE
1.3.14.1! misho     417: static void SQLITE_CDECL iotracePrintf(const char *zFormat, ...){
1.2       misho     418:   va_list ap;
                    419:   char *z;
                    420:   if( iotrace==0 ) return;
                    421:   va_start(ap, zFormat);
                    422:   z = sqlite3_vmprintf(zFormat, ap);
                    423:   va_end(ap);
1.3.14.1! misho     424:   utf8_printf(iotrace, "%s", z);
1.2       misho     425:   sqlite3_free(z);
                    426: }
                    427: #endif
                    428: 
                    429: 
                    430: /*
                    431: ** Determines if a string is a number of not.
                    432: */
                    433: static int isNumber(const char *z, int *realnum){
                    434:   if( *z=='-' || *z=='+' ) z++;
                    435:   if( !IsDigit(*z) ){
                    436:     return 0;
                    437:   }
                    438:   z++;
                    439:   if( realnum ) *realnum = 0;
                    440:   while( IsDigit(*z) ){ z++; }
                    441:   if( *z=='.' ){
                    442:     z++;
                    443:     if( !IsDigit(*z) ) return 0;
                    444:     while( IsDigit(*z) ){ z++; }
                    445:     if( realnum ) *realnum = 1;
                    446:   }
                    447:   if( *z=='e' || *z=='E' ){
                    448:     z++;
                    449:     if( *z=='+' || *z=='-' ) z++;
                    450:     if( !IsDigit(*z) ) return 0;
                    451:     while( IsDigit(*z) ){ z++; }
                    452:     if( realnum ) *realnum = 1;
                    453:   }
                    454:   return *z==0;
                    455: }
                    456: 
                    457: /*
1.3.14.1! misho     458: ** A global char* and an SQL function to access its current value
        !           459: ** from within an SQL statement. This program used to use the
1.2       misho     460: ** sqlite_exec_printf() API to substitue a string into an SQL statement.
                    461: ** The correct way to do this with sqlite3 is to use the bind API, but
                    462: ** since the shell is built around the callback paradigm it would be a lot
                    463: ** of work. Instead just use this hack, which is quite harmless.
                    464: */
                    465: static const char *zShellStatic = 0;
                    466: static void shellstaticFunc(
                    467:   sqlite3_context *context,
                    468:   int argc,
                    469:   sqlite3_value **argv
                    470: ){
                    471:   assert( 0==argc );
                    472:   assert( zShellStatic );
                    473:   UNUSED_PARAMETER(argc);
                    474:   UNUSED_PARAMETER(argv);
                    475:   sqlite3_result_text(context, zShellStatic, -1, SQLITE_STATIC);
                    476: }
                    477: 
                    478: 
                    479: /*
1.3.14.1! misho     480: ** Compute a string length that is limited to what can be stored in
        !           481: ** lower 30 bits of a 32-bit signed integer.
        !           482: */
        !           483: static int strlen30(const char *z){
        !           484:   const char *z2 = z;
        !           485:   while( *z2 ){ z2++; }
        !           486:   return 0x3fffffff & (int)(z2 - z);
        !           487: }
        !           488: 
        !           489: /*
1.2       misho     490: ** This routine reads a line of text from FILE in, stores
                    491: ** the text in memory obtained from malloc() and returns a pointer
                    492: ** to the text.  NULL is returned at end of file, or if malloc()
                    493: ** fails.
                    494: **
1.3.14.1! misho     495: ** If zLine is not NULL then it is a malloced buffer returned from
        !           496: ** a previous call to this routine that may be reused.
1.2       misho     497: */
1.3.14.1! misho     498: static char *local_getline(char *zLine, FILE *in){
        !           499:   int nLine = zLine==0 ? 0 : 100;
        !           500:   int n = 0;
1.2       misho     501: 
                    502:   while( 1 ){
                    503:     if( n+100>nLine ){
                    504:       nLine = nLine*2 + 100;
                    505:       zLine = realloc(zLine, nLine);
                    506:       if( zLine==0 ) return 0;
                    507:     }
                    508:     if( fgets(&zLine[n], nLine - n, in)==0 ){
                    509:       if( n==0 ){
                    510:         free(zLine);
                    511:         return 0;
                    512:       }
                    513:       zLine[n] = 0;
                    514:       break;
                    515:     }
1.3.14.1! misho     516:     while( zLine[n] ) n++;
        !           517:     if( n>0 && zLine[n-1]=='\n' ){
1.2       misho     518:       n--;
                    519:       if( n>0 && zLine[n-1]=='\r' ) n--;
                    520:       zLine[n] = 0;
                    521:       break;
                    522:     }
                    523:   }
1.3.14.1! misho     524: #if defined(_WIN32) || defined(WIN32)
        !           525:   /* For interactive input on Windows systems, translate the
        !           526:   ** multi-byte characterset characters into UTF-8. */
        !           527:   if( stdin_is_interactive && in==stdin ){
        !           528:     char *zTrans = sqlite3_win32_mbcs_to_utf8_v2(zLine, 0);
        !           529:     if( zTrans ){
        !           530:       int nTrans = strlen30(zTrans)+1;
        !           531:       if( nTrans>nLine ){
        !           532:         zLine = realloc(zLine, nTrans);
        !           533:         if( zLine==0 ){
        !           534:           sqlite3_free(zTrans);
        !           535:           return 0;
        !           536:         }
        !           537:       }
        !           538:       memcpy(zLine, zTrans, nTrans);
        !           539:       sqlite3_free(zTrans);
        !           540:     }
        !           541:   }
        !           542: #endif /* defined(_WIN32) || defined(WIN32) */
1.2       misho     543:   return zLine;
                    544: }
                    545: 
                    546: /*
                    547: ** Retrieve a single line of input text.
                    548: **
1.3.14.1! misho     549: ** If in==0 then read from standard input and prompt before each line.
        !           550: ** If isContinuation is true, then a continuation prompt is appropriate.
        !           551: ** If isContinuation is zero, then the main prompt should be used.
        !           552: **
        !           553: ** If zPrior is not NULL then it is a buffer from a prior call to this
        !           554: ** routine that can be reused.
        !           555: **
        !           556: ** The result is stored in space obtained from malloc() and must either
        !           557: ** be freed by the caller or else passed back into this routine via the
        !           558: ** zPrior argument for reuse.
1.2       misho     559: */
1.3.14.1! misho     560: static char *one_input_line(FILE *in, char *zPrior, int isContinuation){
1.2       misho     561:   char *zPrompt;
                    562:   char *zResult;
                    563:   if( in!=0 ){
1.3.14.1! misho     564:     zResult = local_getline(zPrior, in);
1.2       misho     565:   }else{
1.3.14.1! misho     566:     zPrompt = isContinuation ? continuePrompt : mainPrompt;
        !           567: #if SHELL_USE_LOCAL_GETLINE
        !           568:     printf("%s", zPrompt);
        !           569:     fflush(stdout);
        !           570:     zResult = local_getline(zPrior, stdin);
        !           571: #else
        !           572:     free(zPrior);
        !           573:     zResult = shell_readline(zPrompt);
        !           574:     if( zResult && *zResult ) shell_add_history(zResult);
1.2       misho     575: #endif
1.3.14.1! misho     576:   }
1.2       misho     577:   return zResult;
                    578: }
                    579: 
1.3.14.1! misho     580: #if defined(SQLITE_ENABLE_SESSION)
        !           581: /*
        !           582: ** State information for a single open session
        !           583: */
        !           584: typedef struct OpenSession OpenSession;
        !           585: struct OpenSession {
        !           586:   char *zName;             /* Symbolic name for this session */
        !           587:   int nFilter;             /* Number of xFilter rejection GLOB patterns */
        !           588:   char **azFilter;         /* Array of xFilter rejection GLOB patterns */
        !           589:   sqlite3_session *p;      /* The open session */
        !           590: };
        !           591: #endif
        !           592: 
        !           593: /*
        !           594: ** Shell output mode information from before ".explain on",
        !           595: ** saved so that it can be restored by ".explain off"
        !           596: */
        !           597: typedef struct SavedModeInfo SavedModeInfo;
        !           598: struct SavedModeInfo {
        !           599:   int valid;          /* Is there legit data in here? */
        !           600:   int mode;           /* Mode prior to ".explain on" */
        !           601:   int showHeader;     /* The ".header" setting prior to ".explain on" */
        !           602:   int colWidth[100];  /* Column widths prior to ".explain on" */
1.2       misho     603: };
                    604: 
                    605: /*
1.3.14.1! misho     606: ** State information about the database connection is contained in an
        !           607: ** instance of the following structure.
1.2       misho     608: */
1.3.14.1! misho     609: typedef struct ShellState ShellState;
        !           610: struct ShellState {
1.2       misho     611:   sqlite3 *db;           /* The database */
                    612:   int echoOn;            /* True to echo input commands */
1.3.14.1! misho     613:   int autoExplain;       /* Automatically turn on .explain mode */
        !           614:   int autoEQP;           /* Run EXPLAIN QUERY PLAN prior to seach SQL stmt */
1.2       misho     615:   int statsOn;           /* True to display memory stats before each finalize */
1.3.14.1! misho     616:   int scanstatsOn;       /* True to display scan stats before each finalize */
        !           617:   int countChanges;      /* True to display change counts */
        !           618:   int backslashOn;       /* Resolve C-style \x escapes in SQL input text */
        !           619:   int outCount;          /* Revert to stdout when reaching zero */
1.2       misho     620:   int cnt;               /* Number of records displayed so far */
                    621:   FILE *out;             /* Write results here */
1.3       misho     622:   FILE *traceOut;        /* Output for sqlite3_trace() */
1.2       misho     623:   int nErr;              /* Number of errors seen */
                    624:   int mode;              /* An output mode setting */
1.3.14.1! misho     625:   int cMode;             /* temporary output mode for the current query */
        !           626:   int normalMode;        /* Output mode before ".explain on" */
1.2       misho     627:   int writableSchema;    /* True if PRAGMA writable_schema=ON */
                    628:   int showHeader;        /* True to show column names in List or Column mode */
1.3.14.1! misho     629:   unsigned shellFlgs;    /* Various flags */
1.2       misho     630:   char *zDestTable;      /* Name of destination table when MODE_Insert */
1.3.14.1! misho     631:   char colSeparator[20]; /* Column separator character for several modes */
        !           632:   char rowSeparator[20]; /* Row separator character for MODE_Ascii */
1.2       misho     633:   int colWidth[100];     /* Requested width of each column when in column mode*/
                    634:   int actualWidth[100];  /* Actual width of each column */
1.3.14.1! misho     635:   char nullValue[20];    /* The text to print when a NULL comes back from
1.2       misho     636:                          ** the database */
                    637:   char outfile[FILENAME_MAX]; /* Filename for *out */
                    638:   const char *zDbFilename;    /* name of the database file */
1.3.14.1! misho     639:   char *zFreeOnClose;         /* Filename to free when closing */
1.2       misho     640:   const char *zVfs;           /* Name of VFS to use */
                    641:   sqlite3_stmt *pStmt;   /* Current statement if any. */
                    642:   FILE *pLog;            /* Write log output here */
1.3.14.1! misho     643:   int *aiIndent;         /* Array of indents used in MODE_Explain */
        !           644:   int nIndent;           /* Size of array aiIndent[] */
        !           645:   int iIndent;           /* Index of current op in aiIndent[] */
        !           646: #if defined(SQLITE_ENABLE_SESSION)
        !           647:   int nSession;             /* Number of active sessions */
        !           648:   OpenSession aSession[4];  /* Array of sessions.  [0] is in focus. */
        !           649: #endif
1.2       misho     650: };
                    651: 
                    652: /*
1.3.14.1! misho     653: ** These are the allowed shellFlgs values
        !           654: */
        !           655: #define SHFLG_Scratch     0x00001     /* The --scratch option is used */
        !           656: #define SHFLG_Pagecache   0x00002     /* The --pagecache option is used */
        !           657: #define SHFLG_Lookaside   0x00004     /* Lookaside memory is used */
        !           658: 
        !           659: /*
1.2       misho     660: ** These are the allowed modes.
                    661: */
                    662: #define MODE_Line     0  /* One column per line.  Blank line between records */
                    663: #define MODE_Column   1  /* One record per line in neat columns */
                    664: #define MODE_List     2  /* One record per line with a separator */
                    665: #define MODE_Semi     3  /* Same as MODE_List but append ";" to each line */
                    666: #define MODE_Html     4  /* Generate an XHTML table */
                    667: #define MODE_Insert   5  /* Generate SQL "insert" statements */
                    668: #define MODE_Tcl      6  /* Generate ANSI-C or TCL quoted elements */
                    669: #define MODE_Csv      7  /* Quote strings, numbers are plain */
                    670: #define MODE_Explain  8  /* Like MODE_Column, but do not truncate data */
1.3.14.1! misho     671: #define MODE_Ascii    9  /* Use ASCII unit and record separators (0x1F/0x1E) */
        !           672: #define MODE_Pretty  10  /* Pretty-print schemas */
1.2       misho     673: 
                    674: static const char *modeDescr[] = {
                    675:   "line",
                    676:   "column",
                    677:   "list",
                    678:   "semi",
                    679:   "html",
                    680:   "insert",
                    681:   "tcl",
                    682:   "csv",
                    683:   "explain",
1.3.14.1! misho     684:   "ascii",
        !           685:   "prettyprint",
1.2       misho     686: };
                    687: 
                    688: /*
1.3.14.1! misho     689: ** These are the column/row/line separators used by the various
        !           690: ** import/export modes.
1.2       misho     691: */
1.3.14.1! misho     692: #define SEP_Column    "|"
        !           693: #define SEP_Row       "\n"
        !           694: #define SEP_Tab       "\t"
        !           695: #define SEP_Space     " "
        !           696: #define SEP_Comma     ","
        !           697: #define SEP_CrLf      "\r\n"
        !           698: #define SEP_Unit      "\x1F"
        !           699: #define SEP_Record    "\x1E"
1.2       misho     700: 
                    701: /*
1.3.14.1! misho     702: ** Number of elements in an array
1.2       misho     703: */
1.3.14.1! misho     704: #define ArraySize(X)  (int)(sizeof(X)/sizeof(X[0]))
1.2       misho     705: 
                    706: /*
                    707: ** A callback for the sqlite3_log() interface.
                    708: */
                    709: static void shellLog(void *pArg, int iErrCode, const char *zMsg){
1.3.14.1! misho     710:   ShellState *p = (ShellState*)pArg;
1.2       misho     711:   if( p->pLog==0 ) return;
1.3.14.1! misho     712:   utf8_printf(p->pLog, "(%d) %s\n", iErrCode, zMsg);
1.2       misho     713:   fflush(p->pLog);
                    714: }
                    715: 
                    716: /*
                    717: ** Output the given string as a hex-encoded blob (eg. X'1234' )
                    718: */
                    719: static void output_hex_blob(FILE *out, const void *pBlob, int nBlob){
                    720:   int i;
                    721:   char *zBlob = (char *)pBlob;
1.3.14.1! misho     722:   raw_printf(out,"X'");
        !           723:   for(i=0; i<nBlob; i++){ raw_printf(out,"%02x",zBlob[i]&0xff); }
        !           724:   raw_printf(out,"'");
1.2       misho     725: }
                    726: 
                    727: /*
                    728: ** Output the given string as a quoted string using SQL quoting conventions.
                    729: */
                    730: static void output_quoted_string(FILE *out, const char *z){
                    731:   int i;
                    732:   int nSingle = 0;
1.3.14.1! misho     733:   setBinaryMode(out, 1);
1.2       misho     734:   for(i=0; z[i]; i++){
                    735:     if( z[i]=='\'' ) nSingle++;
                    736:   }
                    737:   if( nSingle==0 ){
1.3.14.1! misho     738:     utf8_printf(out,"'%s'",z);
1.2       misho     739:   }else{
1.3.14.1! misho     740:     raw_printf(out,"'");
1.2       misho     741:     while( *z ){
                    742:       for(i=0; z[i] && z[i]!='\''; i++){}
                    743:       if( i==0 ){
1.3.14.1! misho     744:         raw_printf(out,"''");
1.2       misho     745:         z++;
                    746:       }else if( z[i]=='\'' ){
1.3.14.1! misho     747:         utf8_printf(out,"%.*s''",i,z);
1.2       misho     748:         z += i+1;
                    749:       }else{
1.3.14.1! misho     750:         utf8_printf(out,"%s",z);
1.2       misho     751:         break;
                    752:       }
                    753:     }
1.3.14.1! misho     754:     raw_printf(out,"'");
1.2       misho     755:   }
1.3.14.1! misho     756:   setTextMode(out, 1);
1.2       misho     757: }
                    758: 
                    759: /*
                    760: ** Output the given string as a quoted according to C or TCL quoting rules.
                    761: */
                    762: static void output_c_string(FILE *out, const char *z){
                    763:   unsigned int c;
                    764:   fputc('"', out);
                    765:   while( (c = *(z++))!=0 ){
                    766:     if( c=='\\' ){
                    767:       fputc(c, out);
                    768:       fputc(c, out);
1.3       misho     769:     }else if( c=='"' ){
                    770:       fputc('\\', out);
                    771:       fputc('"', out);
1.2       misho     772:     }else if( c=='\t' ){
                    773:       fputc('\\', out);
                    774:       fputc('t', out);
                    775:     }else if( c=='\n' ){
                    776:       fputc('\\', out);
                    777:       fputc('n', out);
                    778:     }else if( c=='\r' ){
                    779:       fputc('\\', out);
                    780:       fputc('r', out);
1.3.14.1! misho     781:     }else if( !isprint(c&0xff) ){
        !           782:       raw_printf(out, "\\%03o", c&0xff);
1.2       misho     783:     }else{
                    784:       fputc(c, out);
                    785:     }
                    786:   }
                    787:   fputc('"', out);
                    788: }
                    789: 
                    790: /*
                    791: ** Output the given string with characters that are special to
                    792: ** HTML escaped.
                    793: */
                    794: static void output_html_string(FILE *out, const char *z){
                    795:   int i;
1.3.14.1! misho     796:   if( z==0 ) z = "";
1.2       misho     797:   while( *z ){
1.3.14.1! misho     798:     for(i=0;   z[i]
        !           799:             && z[i]!='<'
        !           800:             && z[i]!='&'
        !           801:             && z[i]!='>'
        !           802:             && z[i]!='\"'
1.2       misho     803:             && z[i]!='\'';
                    804:         i++){}
                    805:     if( i>0 ){
1.3.14.1! misho     806:       utf8_printf(out,"%.*s",i,z);
1.2       misho     807:     }
                    808:     if( z[i]=='<' ){
1.3.14.1! misho     809:       raw_printf(out,"&lt;");
1.2       misho     810:     }else if( z[i]=='&' ){
1.3.14.1! misho     811:       raw_printf(out,"&amp;");
1.2       misho     812:     }else if( z[i]=='>' ){
1.3.14.1! misho     813:       raw_printf(out,"&gt;");
1.2       misho     814:     }else if( z[i]=='\"' ){
1.3.14.1! misho     815:       raw_printf(out,"&quot;");
1.2       misho     816:     }else if( z[i]=='\'' ){
1.3.14.1! misho     817:       raw_printf(out,"&#39;");
1.2       misho     818:     }else{
                    819:       break;
                    820:     }
                    821:     z += i + 1;
                    822:   }
                    823: }
                    824: 
                    825: /*
                    826: ** If a field contains any character identified by a 1 in the following
                    827: ** array, then the string must be quoted for CSV.
                    828: */
                    829: static const char needCsvQuote[] = {
1.3.14.1! misho     830:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           831:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           832:   1, 0, 1, 0, 0, 0, 0, 1,   0, 0, 0, 0, 0, 0, 0, 0,
        !           833:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
        !           834:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
        !           835:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
        !           836:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 0,
        !           837:   0, 0, 0, 0, 0, 0, 0, 0,   0, 0, 0, 0, 0, 0, 0, 1,
        !           838:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           839:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           840:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           841:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           842:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           843:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           844:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
        !           845:   1, 1, 1, 1, 1, 1, 1, 1,   1, 1, 1, 1, 1, 1, 1, 1,
1.2       misho     846: };
                    847: 
                    848: /*
1.3.14.1! misho     849: ** Output a single term of CSV.  Actually, p->colSeparator is used for
        !           850: ** the separator, which may or may not be a comma.  p->nullValue is
        !           851: ** the null value.  Strings are quoted if necessary.  The separator
        !           852: ** is only issued if bSep is true.
1.2       misho     853: */
1.3.14.1! misho     854: static void output_csv(ShellState *p, const char *z, int bSep){
1.2       misho     855:   FILE *out = p->out;
                    856:   if( z==0 ){
1.3.14.1! misho     857:     utf8_printf(out,"%s",p->nullValue);
1.2       misho     858:   }else{
                    859:     int i;
1.3.14.1! misho     860:     int nSep = strlen30(p->colSeparator);
1.2       misho     861:     for(i=0; z[i]; i++){
1.3.14.1! misho     862:       if( needCsvQuote[((unsigned char*)z)[i]]
        !           863:          || (z[i]==p->colSeparator[0] &&
        !           864:              (nSep==1 || memcmp(z, p->colSeparator, nSep)==0)) ){
1.2       misho     865:         i = 0;
                    866:         break;
                    867:       }
                    868:     }
                    869:     if( i==0 ){
                    870:       putc('"', out);
                    871:       for(i=0; z[i]; i++){
                    872:         if( z[i]=='"' ) putc('"', out);
                    873:         putc(z[i], out);
                    874:       }
                    875:       putc('"', out);
                    876:     }else{
1.3.14.1! misho     877:       utf8_printf(out, "%s", z);
1.2       misho     878:     }
                    879:   }
                    880:   if( bSep ){
1.3.14.1! misho     881:     utf8_printf(p->out, "%s", p->colSeparator);
1.2       misho     882:   }
                    883: }
                    884: 
                    885: #ifdef SIGINT
                    886: /*
                    887: ** This routine runs when the user presses Ctrl-C
                    888: */
                    889: static void interrupt_handler(int NotUsed){
                    890:   UNUSED_PARAMETER(NotUsed);
1.3.14.1! misho     891:   seenInterrupt++;
        !           892:   if( seenInterrupt>2 ) exit(1);
        !           893:   if( globalDb ) sqlite3_interrupt(globalDb);
1.2       misho     894: }
                    895: #endif
                    896: 
                    897: /*
1.3.14.1! misho     898: ** When the ".auth ON" is set, the following authorizer callback is
        !           899: ** invoked.  It always returns SQLITE_OK.
        !           900: */
        !           901: static int shellAuth(
        !           902:   void *pClientData,
        !           903:   int op,
        !           904:   const char *zA1,
        !           905:   const char *zA2,
        !           906:   const char *zA3,
        !           907:   const char *zA4
        !           908: ){
        !           909:   ShellState *p = (ShellState*)pClientData;
        !           910:   static const char *azAction[] = { 0,
        !           911:      "CREATE_INDEX",         "CREATE_TABLE",         "CREATE_TEMP_INDEX",
        !           912:      "CREATE_TEMP_TABLE",    "CREATE_TEMP_TRIGGER",  "CREATE_TEMP_VIEW",
        !           913:      "CREATE_TRIGGER",       "CREATE_VIEW",          "DELETE",
        !           914:      "DROP_INDEX",           "DROP_TABLE",           "DROP_TEMP_INDEX",
        !           915:      "DROP_TEMP_TABLE",      "DROP_TEMP_TRIGGER",    "DROP_TEMP_VIEW",
        !           916:      "DROP_TRIGGER",         "DROP_VIEW",            "INSERT",
        !           917:      "PRAGMA",               "READ",                 "SELECT",
        !           918:      "TRANSACTION",          "UPDATE",               "ATTACH",
        !           919:      "DETACH",               "ALTER_TABLE",          "REINDEX",
        !           920:      "ANALYZE",              "CREATE_VTABLE",        "DROP_VTABLE",
        !           921:      "FUNCTION",             "SAVEPOINT",            "RECURSIVE"
        !           922:   };
        !           923:   int i;
        !           924:   const char *az[4];
        !           925:   az[0] = zA1;
        !           926:   az[1] = zA2;
        !           927:   az[2] = zA3;
        !           928:   az[3] = zA4;
        !           929:   raw_printf(p->out, "authorizer: %s", azAction[op]);
        !           930:   for(i=0; i<4; i++){
        !           931:     raw_printf(p->out, " ");
        !           932:     if( az[i] ){
        !           933:       output_c_string(p->out, az[i]);
        !           934:     }else{
        !           935:       raw_printf(p->out, "NULL");
        !           936:     }
        !           937:   }
        !           938:   raw_printf(p->out, "\n");
        !           939:   return SQLITE_OK;
        !           940: }
        !           941:   
        !           942: 
        !           943: /*
1.2       misho     944: ** This is the callback routine that the shell
                    945: ** invokes for each row of a query result.
                    946: */
1.3.14.1! misho     947: static int shell_callback(
        !           948:   void *pArg,
        !           949:   int nArg,        /* Number of result columns */
        !           950:   char **azArg,    /* Text of each result column */
        !           951:   char **azCol,    /* Column names */
        !           952:   int *aiType      /* Column types */
        !           953: ){
1.2       misho     954:   int i;
1.3.14.1! misho     955:   ShellState *p = (ShellState*)pArg;
1.2       misho     956: 
1.3.14.1! misho     957:   switch( p->cMode ){
1.2       misho     958:     case MODE_Line: {
                    959:       int w = 5;
                    960:       if( azArg==0 ) break;
                    961:       for(i=0; i<nArg; i++){
                    962:         int len = strlen30(azCol[i] ? azCol[i] : "");
                    963:         if( len>w ) w = len;
                    964:       }
1.3.14.1! misho     965:       if( p->cnt++>0 ) utf8_printf(p->out, "%s", p->rowSeparator);
1.2       misho     966:       for(i=0; i<nArg; i++){
1.3.14.1! misho     967:         utf8_printf(p->out,"%*s = %s%s", w, azCol[i],
        !           968:                 azArg[i] ? azArg[i] : p->nullValue, p->rowSeparator);
1.2       misho     969:       }
                    970:       break;
                    971:     }
                    972:     case MODE_Explain:
                    973:     case MODE_Column: {
1.3.14.1! misho     974:       static const int aExplainWidths[] = {4, 13, 4, 4, 4, 13, 2, 13};
        !           975:       const int *colWidth;
        !           976:       int showHdr;
        !           977:       char *rowSep;
        !           978:       if( p->cMode==MODE_Column ){
        !           979:         colWidth = p->colWidth;
        !           980:         showHdr = p->showHeader;
        !           981:         rowSep = p->rowSeparator;
        !           982:       }else{
        !           983:         colWidth = aExplainWidths;
        !           984:         showHdr = 1;
        !           985:         rowSep = SEP_Row;
        !           986:       }
1.2       misho     987:       if( p->cnt++==0 ){
                    988:         for(i=0; i<nArg; i++){
                    989:           int w, n;
                    990:           if( i<ArraySize(p->colWidth) ){
1.3.14.1! misho     991:             w = colWidth[i];
1.2       misho     992:           }else{
                    993:             w = 0;
                    994:           }
1.3       misho     995:           if( w==0 ){
1.2       misho     996:             w = strlen30(azCol[i] ? azCol[i] : "");
                    997:             if( w<10 ) w = 10;
1.3.14.1! misho     998:             n = strlen30(azArg && azArg[i] ? azArg[i] : p->nullValue);
1.2       misho     999:             if( w<n ) w = n;
                   1000:           }
                   1001:           if( i<ArraySize(p->actualWidth) ){
                   1002:             p->actualWidth[i] = w;
                   1003:           }
1.3.14.1! misho    1004:           if( showHdr ){
1.3       misho    1005:             if( w<0 ){
1.3.14.1! misho    1006:               utf8_printf(p->out,"%*.*s%s",-w,-w,azCol[i],
        !          1007:                       i==nArg-1 ? rowSep : "  ");
1.3       misho    1008:             }else{
1.3.14.1! misho    1009:               utf8_printf(p->out,"%-*.*s%s",w,w,azCol[i],
        !          1010:                       i==nArg-1 ? rowSep : "  ");
1.3       misho    1011:             }
1.2       misho    1012:           }
                   1013:         }
1.3.14.1! misho    1014:         if( showHdr ){
1.2       misho    1015:           for(i=0; i<nArg; i++){
                   1016:             int w;
                   1017:             if( i<ArraySize(p->actualWidth) ){
                   1018:                w = p->actualWidth[i];
1.3       misho    1019:                if( w<0 ) w = -w;
1.2       misho    1020:             }else{
                   1021:                w = 10;
                   1022:             }
1.3.14.1! misho    1023:             utf8_printf(p->out,"%-*.*s%s",w,w,
        !          1024:                    "----------------------------------------------------------"
1.2       misho    1025:                    "----------------------------------------------------------",
1.3.14.1! misho    1026:                     i==nArg-1 ? rowSep : "  ");
1.2       misho    1027:           }
                   1028:         }
                   1029:       }
                   1030:       if( azArg==0 ) break;
                   1031:       for(i=0; i<nArg; i++){
                   1032:         int w;
                   1033:         if( i<ArraySize(p->actualWidth) ){
                   1034:            w = p->actualWidth[i];
                   1035:         }else{
                   1036:            w = 10;
                   1037:         }
1.3.14.1! misho    1038:         if( p->cMode==MODE_Explain && azArg[i] && strlen30(azArg[i])>w ){
1.2       misho    1039:           w = strlen30(azArg[i]);
                   1040:         }
1.3.14.1! misho    1041:         if( i==1 && p->aiIndent && p->pStmt ){
        !          1042:           if( p->iIndent<p->nIndent ){
        !          1043:             utf8_printf(p->out, "%*.s", p->aiIndent[p->iIndent], "");
        !          1044:           }
        !          1045:           p->iIndent++;
        !          1046:         }
1.3       misho    1047:         if( w<0 ){
1.3.14.1! misho    1048:           utf8_printf(p->out,"%*.*s%s",-w,-w,
        !          1049:               azArg[i] ? azArg[i] : p->nullValue,
        !          1050:               i==nArg-1 ? rowSep : "  ");
1.3       misho    1051:         }else{
1.3.14.1! misho    1052:           utf8_printf(p->out,"%-*.*s%s",w,w,
        !          1053:               azArg[i] ? azArg[i] : p->nullValue,
        !          1054:               i==nArg-1 ? rowSep : "  ");
        !          1055:         }
        !          1056:       }
        !          1057:       break;
        !          1058:     }
        !          1059:     case MODE_Semi: {   /* .schema and .fullschema output */
        !          1060:       utf8_printf(p->out, "%s;\n", azArg[0]);
        !          1061:       break;
        !          1062:     }
        !          1063:     case MODE_Pretty: {  /* .schema and .fullschema with --indent */
        !          1064:       char *z;
        !          1065:       int j;
        !          1066:       int nParen = 0;
        !          1067:       char cEnd = 0;
        !          1068:       char c;
        !          1069:       int nLine = 0;
        !          1070:       assert( nArg==1 );
        !          1071:       if( azArg[0]==0 ) break;
        !          1072:       if( sqlite3_strlike("CREATE VIEW%", azArg[0], 0)==0
        !          1073:        || sqlite3_strlike("CREATE TRIG%", azArg[0], 0)==0
        !          1074:       ){
        !          1075:         utf8_printf(p->out, "%s;\n", azArg[0]);
        !          1076:         break;
        !          1077:       }
        !          1078:       z = sqlite3_mprintf("%s", azArg[0]);
        !          1079:       j = 0;
        !          1080:       for(i=0; IsSpace(z[i]); i++){}
        !          1081:       for(; (c = z[i])!=0; i++){
        !          1082:         if( IsSpace(c) ){
        !          1083:           if( IsSpace(z[j-1]) || z[j-1]=='(' ) continue;
        !          1084:         }else if( (c=='(' || c==')') && j>0 && IsSpace(z[j-1]) ){
        !          1085:           j--;
        !          1086:         }
        !          1087:         z[j++] = c;
        !          1088:       }
        !          1089:       while( j>0 && IsSpace(z[j-1]) ){ j--; }
        !          1090:       z[j] = 0;
        !          1091:       if( strlen30(z)>=79 ){
        !          1092:         for(i=j=0; (c = z[i])!=0; i++){
        !          1093:           if( c==cEnd ){
        !          1094:             cEnd = 0;
        !          1095:           }else if( c=='"' || c=='\'' || c=='`' ){
        !          1096:             cEnd = c;
        !          1097:           }else if( c=='[' ){
        !          1098:             cEnd = ']';
        !          1099:           }else if( c=='(' ){
        !          1100:             nParen++;
        !          1101:           }else if( c==')' ){
        !          1102:             nParen--;
        !          1103:             if( nLine>0 && nParen==0 && j>0 ){
        !          1104:               utf8_printf(p->out, "%.*s\n", j, z);
        !          1105:               j = 0;
        !          1106:             }
        !          1107:           }
        !          1108:           z[j++] = c;
        !          1109:           if( nParen==1 && (c=='(' || c==',' || c=='\n') ){
        !          1110:             if( c=='\n' ) j--;
        !          1111:             utf8_printf(p->out, "%.*s\n  ", j, z);
        !          1112:             j = 0;
        !          1113:             nLine++;
        !          1114:             while( IsSpace(z[i+1]) ){ i++; }
        !          1115:           }
1.3       misho    1116:         }
1.3.14.1! misho    1117:         z[j] = 0;
1.2       misho    1118:       }
1.3.14.1! misho    1119:       utf8_printf(p->out, "%s;\n", z);
        !          1120:       sqlite3_free(z);
1.2       misho    1121:       break;
                   1122:     }
                   1123:     case MODE_List: {
                   1124:       if( p->cnt++==0 && p->showHeader ){
                   1125:         for(i=0; i<nArg; i++){
1.3.14.1! misho    1126:           utf8_printf(p->out,"%s%s",azCol[i],
        !          1127:                   i==nArg-1 ? p->rowSeparator : p->colSeparator);
1.2       misho    1128:         }
                   1129:       }
                   1130:       if( azArg==0 ) break;
                   1131:       for(i=0; i<nArg; i++){
                   1132:         char *z = azArg[i];
1.3.14.1! misho    1133:         if( z==0 ) z = p->nullValue;
        !          1134:         utf8_printf(p->out, "%s", z);
1.2       misho    1135:         if( i<nArg-1 ){
1.3.14.1! misho    1136:           utf8_printf(p->out, "%s", p->colSeparator);
1.2       misho    1137:         }else{
1.3.14.1! misho    1138:           utf8_printf(p->out, "%s", p->rowSeparator);
1.2       misho    1139:         }
                   1140:       }
                   1141:       break;
                   1142:     }
                   1143:     case MODE_Html: {
                   1144:       if( p->cnt++==0 && p->showHeader ){
1.3.14.1! misho    1145:         raw_printf(p->out,"<TR>");
1.2       misho    1146:         for(i=0; i<nArg; i++){
1.3.14.1! misho    1147:           raw_printf(p->out,"<TH>");
1.2       misho    1148:           output_html_string(p->out, azCol[i]);
1.3.14.1! misho    1149:           raw_printf(p->out,"</TH>\n");
1.2       misho    1150:         }
1.3.14.1! misho    1151:         raw_printf(p->out,"</TR>\n");
1.2       misho    1152:       }
                   1153:       if( azArg==0 ) break;
1.3.14.1! misho    1154:       raw_printf(p->out,"<TR>");
1.2       misho    1155:       for(i=0; i<nArg; i++){
1.3.14.1! misho    1156:         raw_printf(p->out,"<TD>");
        !          1157:         output_html_string(p->out, azArg[i] ? azArg[i] : p->nullValue);
        !          1158:         raw_printf(p->out,"</TD>\n");
1.2       misho    1159:       }
1.3.14.1! misho    1160:       raw_printf(p->out,"</TR>\n");
1.2       misho    1161:       break;
                   1162:     }
                   1163:     case MODE_Tcl: {
                   1164:       if( p->cnt++==0 && p->showHeader ){
                   1165:         for(i=0; i<nArg; i++){
                   1166:           output_c_string(p->out,azCol[i] ? azCol[i] : "");
1.3.14.1! misho    1167:           if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator);
1.2       misho    1168:         }
1.3.14.1! misho    1169:         utf8_printf(p->out, "%s", p->rowSeparator);
1.2       misho    1170:       }
                   1171:       if( azArg==0 ) break;
                   1172:       for(i=0; i<nArg; i++){
1.3.14.1! misho    1173:         output_c_string(p->out, azArg[i] ? azArg[i] : p->nullValue);
        !          1174:         if(i<nArg-1) utf8_printf(p->out, "%s", p->colSeparator);
1.2       misho    1175:       }
1.3.14.1! misho    1176:       utf8_printf(p->out, "%s", p->rowSeparator);
1.2       misho    1177:       break;
                   1178:     }
                   1179:     case MODE_Csv: {
1.3.14.1! misho    1180:       setBinaryMode(p->out, 1);
1.2       misho    1181:       if( p->cnt++==0 && p->showHeader ){
                   1182:         for(i=0; i<nArg; i++){
                   1183:           output_csv(p, azCol[i] ? azCol[i] : "", i<nArg-1);
                   1184:         }
1.3.14.1! misho    1185:         utf8_printf(p->out, "%s", p->rowSeparator);
1.2       misho    1186:       }
1.3.14.1! misho    1187:       if( nArg>0 ){
        !          1188:         for(i=0; i<nArg; i++){
        !          1189:           output_csv(p, azArg[i], i<nArg-1);
        !          1190:         }
        !          1191:         utf8_printf(p->out, "%s", p->rowSeparator);
1.2       misho    1192:       }
1.3.14.1! misho    1193:       setTextMode(p->out, 1);
1.2       misho    1194:       break;
                   1195:     }
                   1196:     case MODE_Insert: {
                   1197:       p->cnt++;
                   1198:       if( azArg==0 ) break;
1.3.14.1! misho    1199:       utf8_printf(p->out,"INSERT INTO %s",p->zDestTable);
        !          1200:       if( p->showHeader ){
        !          1201:         raw_printf(p->out,"(");
        !          1202:         for(i=0; i<nArg; i++){
        !          1203:           char *zSep = i>0 ? ",": "";
        !          1204:           utf8_printf(p->out, "%s%s", zSep, azCol[i]);
        !          1205:         }
        !          1206:         raw_printf(p->out,")");
        !          1207:       }
        !          1208:       raw_printf(p->out," VALUES(");
1.2       misho    1209:       for(i=0; i<nArg; i++){
                   1210:         char *zSep = i>0 ? ",": "";
                   1211:         if( (azArg[i]==0) || (aiType && aiType[i]==SQLITE_NULL) ){
1.3.14.1! misho    1212:           utf8_printf(p->out,"%sNULL",zSep);
1.2       misho    1213:         }else if( aiType && aiType[i]==SQLITE_TEXT ){
1.3.14.1! misho    1214:           if( zSep[0] ) utf8_printf(p->out,"%s",zSep);
1.2       misho    1215:           output_quoted_string(p->out, azArg[i]);
1.3.14.1! misho    1216:         }else if( aiType && (aiType[i]==SQLITE_INTEGER
        !          1217:                              || aiType[i]==SQLITE_FLOAT) ){
        !          1218:           utf8_printf(p->out,"%s%s",zSep, azArg[i]);
1.2       misho    1219:         }else if( aiType && aiType[i]==SQLITE_BLOB && p->pStmt ){
                   1220:           const void *pBlob = sqlite3_column_blob(p->pStmt, i);
                   1221:           int nBlob = sqlite3_column_bytes(p->pStmt, i);
1.3.14.1! misho    1222:           if( zSep[0] ) utf8_printf(p->out,"%s",zSep);
1.2       misho    1223:           output_hex_blob(p->out, pBlob, nBlob);
                   1224:         }else if( isNumber(azArg[i], 0) ){
1.3.14.1! misho    1225:           utf8_printf(p->out,"%s%s",zSep, azArg[i]);
1.2       misho    1226:         }else{
1.3.14.1! misho    1227:           if( zSep[0] ) utf8_printf(p->out,"%s",zSep);
1.2       misho    1228:           output_quoted_string(p->out, azArg[i]);
                   1229:         }
                   1230:       }
1.3.14.1! misho    1231:       raw_printf(p->out,");\n");
        !          1232:       break;
        !          1233:     }
        !          1234:     case MODE_Ascii: {
        !          1235:       if( p->cnt++==0 && p->showHeader ){
        !          1236:         for(i=0; i<nArg; i++){
        !          1237:           if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator);
        !          1238:           utf8_printf(p->out,"%s",azCol[i] ? azCol[i] : "");
        !          1239:         }
        !          1240:         utf8_printf(p->out, "%s", p->rowSeparator);
        !          1241:       }
        !          1242:       if( azArg==0 ) break;
        !          1243:       for(i=0; i<nArg; i++){
        !          1244:         if( i>0 ) utf8_printf(p->out, "%s", p->colSeparator);
        !          1245:         utf8_printf(p->out,"%s",azArg[i] ? azArg[i] : p->nullValue);
        !          1246:       }
        !          1247:       utf8_printf(p->out, "%s", p->rowSeparator);
1.2       misho    1248:       break;
                   1249:     }
                   1250:   }
                   1251:   return 0;
                   1252: }
                   1253: 
                   1254: /*
                   1255: ** This is the callback routine that the SQLite library
                   1256: ** invokes for each row of a query result.
                   1257: */
                   1258: static int callback(void *pArg, int nArg, char **azArg, char **azCol){
                   1259:   /* since we don't have type info, call the shell_callback with a NULL value */
                   1260:   return shell_callback(pArg, nArg, azArg, azCol, NULL);
                   1261: }
                   1262: 
                   1263: /*
1.3.14.1! misho    1264: ** Set the destination table field of the ShellState structure to
1.2       misho    1265: ** the name of the table given.  Escape any quote characters in the
                   1266: ** table name.
                   1267: */
1.3.14.1! misho    1268: static void set_table_name(ShellState *p, const char *zName){
1.2       misho    1269:   int i, n;
                   1270:   int needQuote;
                   1271:   char *z;
                   1272: 
                   1273:   if( p->zDestTable ){
                   1274:     free(p->zDestTable);
                   1275:     p->zDestTable = 0;
                   1276:   }
                   1277:   if( zName==0 ) return;
                   1278:   needQuote = !isalpha((unsigned char)*zName) && *zName!='_';
                   1279:   for(i=n=0; zName[i]; i++, n++){
                   1280:     if( !isalnum((unsigned char)zName[i]) && zName[i]!='_' ){
                   1281:       needQuote = 1;
                   1282:       if( zName[i]=='\'' ) n++;
                   1283:     }
                   1284:   }
                   1285:   if( needQuote ) n += 2;
                   1286:   z = p->zDestTable = malloc( n+1 );
                   1287:   if( z==0 ){
1.3.14.1! misho    1288:     raw_printf(stderr,"Error: out of memory\n");
1.2       misho    1289:     exit(1);
                   1290:   }
                   1291:   n = 0;
                   1292:   if( needQuote ) z[n++] = '\'';
                   1293:   for(i=0; zName[i]; i++){
                   1294:     z[n++] = zName[i];
                   1295:     if( zName[i]=='\'' ) z[n++] = '\'';
                   1296:   }
                   1297:   if( needQuote ) z[n++] = '\'';
                   1298:   z[n] = 0;
                   1299: }
                   1300: 
                   1301: /* zIn is either a pointer to a NULL-terminated string in memory obtained
                   1302: ** from malloc(), or a NULL pointer. The string pointed to by zAppend is
                   1303: ** added to zIn, and the result returned in memory obtained from malloc().
                   1304: ** zIn, if it was not NULL, is freed.
                   1305: **
1.3.14.1! misho    1306: ** If the third argument, quote, is not '\0', then it is used as a
1.2       misho    1307: ** quote character for zAppend.
                   1308: */
                   1309: static char *appendText(char *zIn, char const *zAppend, char quote){
                   1310:   int len;
                   1311:   int i;
                   1312:   int nAppend = strlen30(zAppend);
                   1313:   int nIn = (zIn?strlen30(zIn):0);
                   1314: 
                   1315:   len = nAppend+nIn+1;
                   1316:   if( quote ){
                   1317:     len += 2;
                   1318:     for(i=0; i<nAppend; i++){
                   1319:       if( zAppend[i]==quote ) len++;
                   1320:     }
                   1321:   }
                   1322: 
                   1323:   zIn = (char *)realloc(zIn, len);
                   1324:   if( !zIn ){
                   1325:     return 0;
                   1326:   }
                   1327: 
                   1328:   if( quote ){
                   1329:     char *zCsr = &zIn[nIn];
                   1330:     *zCsr++ = quote;
                   1331:     for(i=0; i<nAppend; i++){
                   1332:       *zCsr++ = zAppend[i];
                   1333:       if( zAppend[i]==quote ) *zCsr++ = quote;
                   1334:     }
                   1335:     *zCsr++ = quote;
                   1336:     *zCsr++ = '\0';
                   1337:     assert( (zCsr-zIn)==len );
                   1338:   }else{
                   1339:     memcpy(&zIn[nIn], zAppend, nAppend);
                   1340:     zIn[len-1] = '\0';
                   1341:   }
                   1342: 
                   1343:   return zIn;
                   1344: }
                   1345: 
                   1346: 
                   1347: /*
1.3       misho    1348: ** Execute a query statement that will generate SQL output.  Print
                   1349: ** the result columns, comma-separated, on a line and then add a
                   1350: ** semicolon terminator to the end of that line.
1.2       misho    1351: **
1.3       misho    1352: ** If the number of columns is 1 and that column contains text "--"
1.3.14.1! misho    1353: ** then write the semicolon on a separate line.  That way, if a
1.3       misho    1354: ** "--" comment occurs at the end of the statement, the comment
                   1355: ** won't consume the semicolon terminator.
1.2       misho    1356: */
                   1357: static int run_table_dump_query(
1.3.14.1! misho    1358:   ShellState *p,           /* Query context */
1.2       misho    1359:   const char *zSelect,     /* SELECT statement to extract content */
                   1360:   const char *zFirstRow    /* Print before first row, if not NULL */
                   1361: ){
                   1362:   sqlite3_stmt *pSelect;
                   1363:   int rc;
1.3       misho    1364:   int nResult;
                   1365:   int i;
                   1366:   const char *z;
1.3.14.1! misho    1367:   rc = sqlite3_prepare_v2(p->db, zSelect, -1, &pSelect, 0);
1.2       misho    1368:   if( rc!=SQLITE_OK || !pSelect ){
1.3.14.1! misho    1369:     utf8_printf(p->out, "/**** ERROR: (%d) %s *****/\n", rc,
        !          1370:                 sqlite3_errmsg(p->db));
        !          1371:     if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++;
1.2       misho    1372:     return rc;
                   1373:   }
                   1374:   rc = sqlite3_step(pSelect);
1.3       misho    1375:   nResult = sqlite3_column_count(pSelect);
1.2       misho    1376:   while( rc==SQLITE_ROW ){
                   1377:     if( zFirstRow ){
1.3.14.1! misho    1378:       utf8_printf(p->out, "%s", zFirstRow);
1.2       misho    1379:       zFirstRow = 0;
                   1380:     }
1.3       misho    1381:     z = (const char*)sqlite3_column_text(pSelect, 0);
1.3.14.1! misho    1382:     utf8_printf(p->out, "%s", z);
        !          1383:     for(i=1; i<nResult; i++){
        !          1384:       utf8_printf(p->out, ",%s", sqlite3_column_text(pSelect, i));
1.3       misho    1385:     }
                   1386:     if( z==0 ) z = "";
                   1387:     while( z[0] && (z[0]!='-' || z[1]!='-') ) z++;
                   1388:     if( z[0] ){
1.3.14.1! misho    1389:       raw_printf(p->out, "\n;\n");
1.3       misho    1390:     }else{
1.3.14.1! misho    1391:       raw_printf(p->out, ";\n");
        !          1392:     }
1.2       misho    1393:     rc = sqlite3_step(pSelect);
                   1394:   }
                   1395:   rc = sqlite3_finalize(pSelect);
                   1396:   if( rc!=SQLITE_OK ){
1.3.14.1! misho    1397:     utf8_printf(p->out, "/**** ERROR: (%d) %s *****/\n", rc,
        !          1398:                 sqlite3_errmsg(p->db));
        !          1399:     if( (rc&0xff)!=SQLITE_CORRUPT ) p->nErr++;
1.2       misho    1400:   }
                   1401:   return rc;
                   1402: }
                   1403: 
                   1404: /*
                   1405: ** Allocate space and save off current error string.
                   1406: */
                   1407: static char *save_err_msg(
                   1408:   sqlite3 *db            /* Database to query */
                   1409: ){
                   1410:   int nErrMsg = 1+strlen30(sqlite3_errmsg(db));
1.3.14.1! misho    1411:   char *zErrMsg = sqlite3_malloc64(nErrMsg);
1.2       misho    1412:   if( zErrMsg ){
                   1413:     memcpy(zErrMsg, sqlite3_errmsg(db), nErrMsg);
                   1414:   }
                   1415:   return zErrMsg;
                   1416: }
                   1417: 
1.3.14.1! misho    1418: #ifdef __linux__
        !          1419: /*
        !          1420: ** Attempt to display I/O stats on Linux using /proc/PID/io
        !          1421: */
        !          1422: static void displayLinuxIoStats(FILE *out){
        !          1423:   FILE *in;
        !          1424:   char z[200];
        !          1425:   sqlite3_snprintf(sizeof(z), z, "/proc/%d/io", getpid());
        !          1426:   in = fopen(z, "rb");
        !          1427:   if( in==0 ) return;
        !          1428:   while( fgets(z, sizeof(z), in)!=0 ){
        !          1429:     static const struct {
        !          1430:       const char *zPattern;
        !          1431:       const char *zDesc;
        !          1432:     } aTrans[] = {
        !          1433:       { "rchar: ",                  "Bytes received by read():" },
        !          1434:       { "wchar: ",                  "Bytes sent to write():"    },
        !          1435:       { "syscr: ",                  "Read() system calls:"      },
        !          1436:       { "syscw: ",                  "Write() system calls:"     },
        !          1437:       { "read_bytes: ",             "Bytes read from storage:"  },
        !          1438:       { "write_bytes: ",            "Bytes written to storage:" },
        !          1439:       { "cancelled_write_bytes: ",  "Cancelled write bytes:"    },
        !          1440:     };
        !          1441:     int i;
        !          1442:     for(i=0; i<ArraySize(aTrans); i++){
        !          1443:       int n = (int)strlen(aTrans[i].zPattern);
        !          1444:       if( strncmp(aTrans[i].zPattern, z, n)==0 ){
        !          1445:         raw_printf(out, "%-36s %s", aTrans[i].zDesc, &z[n]);
        !          1446:         break;
        !          1447:       }
        !          1448:     }
        !          1449:   }
        !          1450:   fclose(in);
        !          1451: }
        !          1452: #endif
        !          1453: 
        !          1454: 
1.2       misho    1455: /*
                   1456: ** Display memory stats.
                   1457: */
                   1458: static int display_stats(
                   1459:   sqlite3 *db,                /* Database to query */
1.3.14.1! misho    1460:   ShellState *pArg,           /* Pointer to ShellState */
1.2       misho    1461:   int bReset                  /* True to reset the stats */
                   1462: ){
                   1463:   int iCur;
                   1464:   int iHiwtr;
                   1465: 
                   1466:   if( pArg && pArg->out ){
1.3.14.1! misho    1467: 
1.2       misho    1468:     iHiwtr = iCur = -1;
                   1469:     sqlite3_status(SQLITE_STATUS_MEMORY_USED, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1470:     raw_printf(pArg->out,
        !          1471:             "Memory Used:                         %d (max %d) bytes\n",
        !          1472:             iCur, iHiwtr);
1.2       misho    1473:     iHiwtr = iCur = -1;
                   1474:     sqlite3_status(SQLITE_STATUS_MALLOC_COUNT, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1475:     raw_printf(pArg->out, "Number of Outstanding Allocations:   %d (max %d)\n",
        !          1476:             iCur, iHiwtr);
        !          1477:     if( pArg->shellFlgs & SHFLG_Pagecache ){
        !          1478:       iHiwtr = iCur = -1;
        !          1479:       sqlite3_status(SQLITE_STATUS_PAGECACHE_USED, &iCur, &iHiwtr, bReset);
        !          1480:       raw_printf(pArg->out,
        !          1481:               "Number of Pcache Pages Used:         %d (max %d) pages\n",
        !          1482:               iCur, iHiwtr);
        !          1483:     }
1.2       misho    1484:     iHiwtr = iCur = -1;
                   1485:     sqlite3_status(SQLITE_STATUS_PAGECACHE_OVERFLOW, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1486:     raw_printf(pArg->out,
        !          1487:             "Number of Pcache Overflow Bytes:     %d (max %d) bytes\n",
        !          1488:             iCur, iHiwtr);
        !          1489:     if( pArg->shellFlgs & SHFLG_Scratch ){
        !          1490:       iHiwtr = iCur = -1;
        !          1491:       sqlite3_status(SQLITE_STATUS_SCRATCH_USED, &iCur, &iHiwtr, bReset);
        !          1492:       raw_printf(pArg->out,
        !          1493:               "Number of Scratch Allocations Used:  %d (max %d)\n",
        !          1494:               iCur, iHiwtr);
        !          1495:     }
1.2       misho    1496:     iHiwtr = iCur = -1;
                   1497:     sqlite3_status(SQLITE_STATUS_SCRATCH_OVERFLOW, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1498:     raw_printf(pArg->out,
        !          1499:             "Number of Scratch Overflow Bytes:    %d (max %d) bytes\n",
        !          1500:             iCur, iHiwtr);
1.2       misho    1501:     iHiwtr = iCur = -1;
                   1502:     sqlite3_status(SQLITE_STATUS_MALLOC_SIZE, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1503:     raw_printf(pArg->out, "Largest Allocation:                  %d bytes\n",
        !          1504:             iHiwtr);
1.2       misho    1505:     iHiwtr = iCur = -1;
                   1506:     sqlite3_status(SQLITE_STATUS_PAGECACHE_SIZE, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1507:     raw_printf(pArg->out, "Largest Pcache Allocation:           %d bytes\n",
        !          1508:             iHiwtr);
1.2       misho    1509:     iHiwtr = iCur = -1;
                   1510:     sqlite3_status(SQLITE_STATUS_SCRATCH_SIZE, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1511:     raw_printf(pArg->out, "Largest Scratch Allocation:          %d bytes\n",
        !          1512:             iHiwtr);
1.2       misho    1513: #ifdef YYTRACKMAXSTACKDEPTH
                   1514:     iHiwtr = iCur = -1;
                   1515:     sqlite3_status(SQLITE_STATUS_PARSER_STACK, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1516:     raw_printf(pArg->out, "Deepest Parser Stack:                %d (max %d)\n",
        !          1517:             iCur, iHiwtr);
1.2       misho    1518: #endif
                   1519:   }
                   1520: 
                   1521:   if( pArg && pArg->out && db ){
1.3.14.1! misho    1522:     if( pArg->shellFlgs & SHFLG_Lookaside ){
        !          1523:       iHiwtr = iCur = -1;
        !          1524:       sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_USED,
        !          1525:                         &iCur, &iHiwtr, bReset);
        !          1526:       raw_printf(pArg->out,
        !          1527:               "Lookaside Slots Used:                %d (max %d)\n",
        !          1528:               iCur, iHiwtr);
        !          1529:       sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_HIT,
        !          1530:                         &iCur, &iHiwtr, bReset);
        !          1531:       raw_printf(pArg->out, "Successful lookaside attempts:       %d\n",
        !          1532:               iHiwtr);
        !          1533:       sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_SIZE,
        !          1534:                         &iCur, &iHiwtr, bReset);
        !          1535:       raw_printf(pArg->out, "Lookaside failures due to size:      %d\n",
        !          1536:               iHiwtr);
        !          1537:       sqlite3_db_status(db, SQLITE_DBSTATUS_LOOKASIDE_MISS_FULL,
        !          1538:                         &iCur, &iHiwtr, bReset);
        !          1539:       raw_printf(pArg->out, "Lookaside failures due to OOM:       %d\n",
        !          1540:               iHiwtr);
        !          1541:     }
1.2       misho    1542:     iHiwtr = iCur = -1;
                   1543:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_USED, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1544:     raw_printf(pArg->out, "Pager Heap Usage:                    %d bytes\n",
        !          1545:             iCur);
        !          1546:     iHiwtr = iCur = -1;
1.2       misho    1547:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_HIT, &iCur, &iHiwtr, 1);
1.3.14.1! misho    1548:     raw_printf(pArg->out, "Page cache hits:                     %d\n", iCur);
1.2       misho    1549:     iHiwtr = iCur = -1;
                   1550:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_MISS, &iCur, &iHiwtr, 1);
1.3.14.1! misho    1551:     raw_printf(pArg->out, "Page cache misses:                   %d\n", iCur);
1.2       misho    1552:     iHiwtr = iCur = -1;
1.3       misho    1553:     sqlite3_db_status(db, SQLITE_DBSTATUS_CACHE_WRITE, &iCur, &iHiwtr, 1);
1.3.14.1! misho    1554:     raw_printf(pArg->out, "Page cache writes:                   %d\n", iCur);
1.3       misho    1555:     iHiwtr = iCur = -1;
1.2       misho    1556:     sqlite3_db_status(db, SQLITE_DBSTATUS_SCHEMA_USED, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1557:     raw_printf(pArg->out, "Schema Heap Usage:                   %d bytes\n",
        !          1558:             iCur);
1.2       misho    1559:     iHiwtr = iCur = -1;
                   1560:     sqlite3_db_status(db, SQLITE_DBSTATUS_STMT_USED, &iCur, &iHiwtr, bReset);
1.3.14.1! misho    1561:     raw_printf(pArg->out, "Statement Heap/Lookaside Usage:      %d bytes\n",
        !          1562:             iCur);
1.2       misho    1563:   }
                   1564: 
                   1565:   if( pArg && pArg->out && db && pArg->pStmt ){
1.3.14.1! misho    1566:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_FULLSCAN_STEP,
        !          1567:                                bReset);
        !          1568:     raw_printf(pArg->out, "Fullscan Steps:                      %d\n", iCur);
1.2       misho    1569:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_SORT, bReset);
1.3.14.1! misho    1570:     raw_printf(pArg->out, "Sort Operations:                     %d\n", iCur);
        !          1571:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_AUTOINDEX,bReset);
        !          1572:     raw_printf(pArg->out, "Autoindex Inserts:                   %d\n", iCur);
        !          1573:     iCur = sqlite3_stmt_status(pArg->pStmt, SQLITE_STMTSTATUS_VM_STEP, bReset);
        !          1574:     raw_printf(pArg->out, "Virtual Machine Steps:               %d\n", iCur);
1.2       misho    1575:   }
                   1576: 
1.3.14.1! misho    1577: #ifdef __linux__
        !          1578:   displayLinuxIoStats(pArg->out);
        !          1579: #endif
        !          1580: 
        !          1581:   /* Do not remove this machine readable comment: extra-stats-output-here */
        !          1582: 
1.2       misho    1583:   return 0;
                   1584: }
                   1585: 
                   1586: /*
1.3.14.1! misho    1587: ** Display scan stats.
1.2       misho    1588: */
1.3.14.1! misho    1589: static void display_scanstats(
        !          1590:   sqlite3 *db,                    /* Database to query */
        !          1591:   ShellState *pArg                /* Pointer to ShellState */
1.2       misho    1592: ){
1.3.14.1! misho    1593: #ifndef SQLITE_ENABLE_STMT_SCANSTATUS
        !          1594:   UNUSED_PARAMETER(db);
        !          1595:   UNUSED_PARAMETER(pArg);
        !          1596: #else
        !          1597:   int i, k, n, mx;
        !          1598:   raw_printf(pArg->out, "-------- scanstats --------\n");
        !          1599:   mx = 0;
        !          1600:   for(k=0; k<=mx; k++){
        !          1601:     double rEstLoop = 1.0;
        !          1602:     for(i=n=0; 1; i++){
        !          1603:       sqlite3_stmt *p = pArg->pStmt;
        !          1604:       sqlite3_int64 nLoop, nVisit;
        !          1605:       double rEst;
        !          1606:       int iSid;
        !          1607:       const char *zExplain;
        !          1608:       if( sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_NLOOP, (void*)&nLoop) ){
        !          1609:         break;
1.2       misho    1610:       }
1.3.14.1! misho    1611:       sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_SELECTID, (void*)&iSid);
        !          1612:       if( iSid>mx ) mx = iSid;
        !          1613:       if( iSid!=k ) continue;
        !          1614:       if( n==0 ){
        !          1615:         rEstLoop = (double)nLoop;
        !          1616:         if( k>0 ) raw_printf(pArg->out, "-------- subquery %d -------\n", k);
1.2       misho    1617:       }
1.3.14.1! misho    1618:       n++;
        !          1619:       sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_NVISIT, (void*)&nVisit);
        !          1620:       sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EST, (void*)&rEst);
        !          1621:       sqlite3_stmt_scanstatus(p, i, SQLITE_SCANSTAT_EXPLAIN, (void*)&zExplain);
        !          1622:       utf8_printf(pArg->out, "Loop %2d: %s\n", n, zExplain);
        !          1623:       rEstLoop *= rEst;
        !          1624:       raw_printf(pArg->out,
        !          1625:           "         nLoop=%-8lld nRow=%-8lld estRow=%-8lld estRow/Loop=%-8g\n",
        !          1626:           nLoop, nVisit, (sqlite3_int64)(rEstLoop+0.5), rEst
        !          1627:       );
        !          1628:     }
        !          1629:   }
        !          1630:   raw_printf(pArg->out, "---------------------------\n");
        !          1631: #endif
        !          1632: }
1.2       misho    1633: 
1.3.14.1! misho    1634: /*
        !          1635: ** Parameter azArray points to a zero-terminated array of strings. zStr
        !          1636: ** points to a single nul-terminated string. Return non-zero if zStr
        !          1637: ** is equal, according to strcmp(), to any of the strings in the array.
        !          1638: ** Otherwise, return zero.
        !          1639: */
        !          1640: static int str_in_array(const char *zStr, const char **azArray){
        !          1641:   int i;
        !          1642:   for(i=0; azArray[i]; i++){
        !          1643:     if( 0==strcmp(zStr, azArray[i]) ) return 1;
        !          1644:   }
        !          1645:   return 0;
        !          1646: }
1.2       misho    1647: 
1.3.14.1! misho    1648: /*
        !          1649: ** If compiled statement pSql appears to be an EXPLAIN statement, allocate
        !          1650: ** and populate the ShellState.aiIndent[] array with the number of
        !          1651: ** spaces each opcode should be indented before it is output.
        !          1652: **
        !          1653: ** The indenting rules are:
        !          1654: **
        !          1655: **     * For each "Next", "Prev", "VNext" or "VPrev" instruction, indent
        !          1656: **       all opcodes that occur between the p2 jump destination and the opcode
        !          1657: **       itself by 2 spaces.
        !          1658: **
        !          1659: **     * For each "Goto", if the jump destination is earlier in the program
        !          1660: **       and ends on one of:
        !          1661: **          Yield  SeekGt  SeekLt  RowSetRead  Rewind
        !          1662: **       or if the P1 parameter is one instead of zero,
        !          1663: **       then indent all opcodes between the earlier instruction
        !          1664: **       and "Goto" by 2 spaces.
        !          1665: */
        !          1666: static void explain_data_prepare(ShellState *p, sqlite3_stmt *pSql){
        !          1667:   const char *zSql;               /* The text of the SQL statement */
        !          1668:   const char *z;                  /* Used to check if this is an EXPLAIN */
        !          1669:   int *abYield = 0;               /* True if op is an OP_Yield */
        !          1670:   int nAlloc = 0;                 /* Allocated size of p->aiIndent[], abYield */
        !          1671:   int iOp;                        /* Index of operation in p->aiIndent[] */
        !          1672: 
        !          1673:   const char *azNext[] = { "Next", "Prev", "VPrev", "VNext", "SorterNext",
        !          1674:                            "NextIfOpen", "PrevIfOpen", 0 };
        !          1675:   const char *azYield[] = { "Yield", "SeekLT", "SeekGT", "RowSetRead",
        !          1676:                             "Rewind", 0 };
        !          1677:   const char *azGoto[] = { "Goto", 0 };
        !          1678: 
        !          1679:   /* Try to figure out if this is really an EXPLAIN statement. If this
        !          1680:   ** cannot be verified, return early.  */
        !          1681:   if( sqlite3_column_count(pSql)!=8 ){
        !          1682:     p->cMode = p->mode;
        !          1683:     return;
        !          1684:   }
        !          1685:   zSql = sqlite3_sql(pSql);
        !          1686:   if( zSql==0 ) return;
        !          1687:   for(z=zSql; *z==' ' || *z=='\t' || *z=='\n' || *z=='\f' || *z=='\r'; z++);
        !          1688:   if( sqlite3_strnicmp(z, "explain", 7) ){
        !          1689:     p->cMode = p->mode;
        !          1690:     return;
        !          1691:   }
1.2       misho    1692: 
1.3.14.1! misho    1693:   for(iOp=0; SQLITE_ROW==sqlite3_step(pSql); iOp++){
        !          1694:     int i;
        !          1695:     int iAddr = sqlite3_column_int(pSql, 0);
        !          1696:     const char *zOp = (const char*)sqlite3_column_text(pSql, 1);
1.2       misho    1697: 
1.3.14.1! misho    1698:     /* Set p2 to the P2 field of the current opcode. Then, assuming that
        !          1699:     ** p2 is an instruction address, set variable p2op to the index of that
        !          1700:     ** instruction in the aiIndent[] array. p2 and p2op may be different if
        !          1701:     ** the current instruction is part of a sub-program generated by an
        !          1702:     ** SQL trigger or foreign key.  */
        !          1703:     int p2 = sqlite3_column_int(pSql, 3);
        !          1704:     int p2op = (p2 + (iOp-iAddr));
        !          1705: 
        !          1706:     /* Grow the p->aiIndent array as required */
        !          1707:     if( iOp>=nAlloc ){
        !          1708:       if( iOp==0 ){
        !          1709:         /* Do further verfication that this is explain output.  Abort if
        !          1710:         ** it is not */
        !          1711:         static const char *explainCols[] = {
        !          1712:            "addr", "opcode", "p1", "p2", "p3", "p4", "p5", "comment" };
        !          1713:         int jj;
        !          1714:         for(jj=0; jj<ArraySize(explainCols); jj++){
        !          1715:           if( strcmp(sqlite3_column_name(pSql,jj),explainCols[jj])!=0 ){
        !          1716:             p->cMode = p->mode;
        !          1717:             sqlite3_reset(pSql);
        !          1718:             return;
1.2       misho    1719:           }
                   1720:         }
                   1721:       }
1.3.14.1! misho    1722:       nAlloc += 100;
        !          1723:       p->aiIndent = (int*)sqlite3_realloc64(p->aiIndent, nAlloc*sizeof(int));
        !          1724:       abYield = (int*)sqlite3_realloc64(abYield, nAlloc*sizeof(int));
        !          1725:     }
        !          1726:     abYield[iOp] = str_in_array(zOp, azYield);
        !          1727:     p->aiIndent[iOp] = 0;
        !          1728:     p->nIndent = iOp+1;
1.2       misho    1729: 
1.3.14.1! misho    1730:     if( str_in_array(zOp, azNext) ){
        !          1731:       for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2;
        !          1732:     }
        !          1733:     if( str_in_array(zOp, azGoto) && p2op<p->nIndent
        !          1734:      && (abYield[p2op] || sqlite3_column_int(pSql, 2))
        !          1735:     ){
        !          1736:       for(i=p2op; i<iOp; i++) p->aiIndent[i] += 2;
        !          1737:     }
        !          1738:   }
        !          1739: 
        !          1740:   p->iIndent = 0;
        !          1741:   sqlite3_free(abYield);
        !          1742:   sqlite3_reset(pSql);
        !          1743: }
        !          1744: 
        !          1745: /*
        !          1746: ** Free the array allocated by explain_data_prepare().
        !          1747: */
        !          1748: static void explain_data_delete(ShellState *p){
        !          1749:   sqlite3_free(p->aiIndent);
        !          1750:   p->aiIndent = 0;
        !          1751:   p->nIndent = 0;
        !          1752:   p->iIndent = 0;
        !          1753: }
        !          1754: 
        !          1755: /*
        !          1756: ** Disable and restore .wheretrace and .selecttrace settings.
        !          1757: */
        !          1758: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
        !          1759: extern int sqlite3SelectTrace;
        !          1760: static int savedSelectTrace;
        !          1761: #endif
        !          1762: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
        !          1763: extern int sqlite3WhereTrace;
        !          1764: static int savedWhereTrace;
        !          1765: #endif
        !          1766: static void disable_debug_trace_modes(void){
        !          1767: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
        !          1768:   savedSelectTrace = sqlite3SelectTrace;
        !          1769:   sqlite3SelectTrace = 0;
        !          1770: #endif
        !          1771: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
        !          1772:   savedWhereTrace = sqlite3WhereTrace;
        !          1773:   sqlite3WhereTrace = 0;
        !          1774: #endif
        !          1775: }
        !          1776: static void restore_debug_trace_modes(void){
        !          1777: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
        !          1778:   sqlite3SelectTrace = savedSelectTrace;
        !          1779: #endif
        !          1780: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
        !          1781:   sqlite3WhereTrace = savedWhereTrace;
        !          1782: #endif
        !          1783: }
        !          1784: 
        !          1785: /*
        !          1786: ** Run a prepared statement
        !          1787: */
        !          1788: static void exec_prepared_stmt(
        !          1789:   ShellState *pArg,                                /* Pointer to ShellState */
        !          1790:   sqlite3_stmt *pStmt,                             /* Statment to run */
        !          1791:   int (*xCallback)(void*,int,char**,char**,int*)   /* Callback function */
        !          1792: ){
        !          1793:   int rc;
        !          1794: 
        !          1795:   /* perform the first step.  this will tell us if we
        !          1796:   ** have a result set or not and how wide it is.
        !          1797:   */
        !          1798:   rc = sqlite3_step(pStmt);
        !          1799:   /* if we have a result set... */
        !          1800:   if( SQLITE_ROW == rc ){
        !          1801:     /* if we have a callback... */
        !          1802:     if( xCallback ){
        !          1803:       /* allocate space for col name ptr, value ptr, and type */
        !          1804:       int nCol = sqlite3_column_count(pStmt);
        !          1805:       void *pData = sqlite3_malloc64(3*nCol*sizeof(const char*) + 1);
        !          1806:       if( !pData ){
        !          1807:         rc = SQLITE_NOMEM;
        !          1808:       }else{
        !          1809:         char **azCols = (char **)pData;      /* Names of result columns */
        !          1810:         char **azVals = &azCols[nCol];       /* Results */
        !          1811:         int *aiTypes = (int *)&azVals[nCol]; /* Result types */
        !          1812:         int i, x;
        !          1813:         assert(sizeof(int) <= sizeof(char *));
        !          1814:         /* save off ptrs to column names */
        !          1815:         for(i=0; i<nCol; i++){
        !          1816:           azCols[i] = (char *)sqlite3_column_name(pStmt, i);
        !          1817:         }
        !          1818:         do{
        !          1819:           /* extract the data and data types */
        !          1820:           for(i=0; i<nCol; i++){
        !          1821:             aiTypes[i] = x = sqlite3_column_type(pStmt, i);
        !          1822:             if( x==SQLITE_BLOB && pArg && pArg->cMode==MODE_Insert ){
        !          1823:               azVals[i] = "";
        !          1824:             }else{
        !          1825:               azVals[i] = (char*)sqlite3_column_text(pStmt, i);
        !          1826:             }
        !          1827:             if( !azVals[i] && (aiTypes[i]!=SQLITE_NULL) ){
        !          1828:               rc = SQLITE_NOMEM;
        !          1829:               break; /* from for */
        !          1830:             }
        !          1831:           } /* end for */
        !          1832: 
        !          1833:           /* if data and types extracted successfully... */
        !          1834:           if( SQLITE_ROW == rc ){
        !          1835:             /* call the supplied callback with the result row data */
        !          1836:             if( xCallback(pArg, nCol, azVals, azCols, aiTypes) ){
        !          1837:               rc = SQLITE_ABORT;
        !          1838:             }else{
        !          1839:               rc = sqlite3_step(pStmt);
        !          1840:             }
        !          1841:           }
        !          1842:         } while( SQLITE_ROW == rc );
        !          1843:         sqlite3_free(pData);
        !          1844:       }
        !          1845:     }else{
        !          1846:       do{
        !          1847:         rc = sqlite3_step(pStmt);
        !          1848:       } while( rc == SQLITE_ROW );
        !          1849:     }
        !          1850:   }
        !          1851: }
        !          1852: 
        !          1853: /*
        !          1854: ** Execute a statement or set of statements.  Print
        !          1855: ** any result rows/columns depending on the current mode
        !          1856: ** set via the supplied callback.
        !          1857: **
        !          1858: ** This is very similar to SQLite's built-in sqlite3_exec()
        !          1859: ** function except it takes a slightly different callback
        !          1860: ** and callback data argument.
        !          1861: */
        !          1862: static int shell_exec(
        !          1863:   sqlite3 *db,                              /* An open database */
        !          1864:   const char *zSql,                         /* SQL to be evaluated */
        !          1865:   int (*xCallback)(void*,int,char**,char**,int*),   /* Callback function */
        !          1866:                                             /* (not the same as sqlite3_exec) */
        !          1867:   ShellState *pArg,                         /* Pointer to ShellState */
        !          1868:   char **pzErrMsg                           /* Error msg written here */
        !          1869: ){
        !          1870:   sqlite3_stmt *pStmt = NULL;     /* Statement to execute. */
        !          1871:   int rc = SQLITE_OK;             /* Return Code */
        !          1872:   int rc2;
        !          1873:   const char *zLeftover;          /* Tail of unprocessed SQL */
        !          1874: 
        !          1875:   if( pzErrMsg ){
        !          1876:     *pzErrMsg = NULL;
        !          1877:   }
        !          1878: 
        !          1879:   while( zSql[0] && (SQLITE_OK == rc) ){
        !          1880:     static const char *zStmtSql;
        !          1881:     rc = sqlite3_prepare_v2(db, zSql, -1, &pStmt, &zLeftover);
        !          1882:     if( SQLITE_OK != rc ){
        !          1883:       if( pzErrMsg ){
        !          1884:         *pzErrMsg = save_err_msg(db);
        !          1885:       }
        !          1886:     }else{
        !          1887:       if( !pStmt ){
        !          1888:         /* this happens for a comment or white-space */
        !          1889:         zSql = zLeftover;
        !          1890:         while( IsSpace(zSql[0]) ) zSql++;
        !          1891:         continue;
        !          1892:       }
        !          1893:       zStmtSql = sqlite3_sql(pStmt);
        !          1894:       while( IsSpace(zStmtSql[0]) ) zStmtSql++;
        !          1895: 
        !          1896:       /* save off the prepared statment handle and reset row count */
        !          1897:       if( pArg ){
        !          1898:         pArg->pStmt = pStmt;
        !          1899:         pArg->cnt = 0;
        !          1900:       }
        !          1901: 
        !          1902:       /* echo the sql statement if echo on */
        !          1903:       if( pArg && pArg->echoOn ){
        !          1904:         utf8_printf(pArg->out, "%s\n", zStmtSql ? zStmtSql : zSql);
        !          1905:       }
        !          1906: 
        !          1907:       /* Show the EXPLAIN QUERY PLAN if .eqp is on */
        !          1908:       if( pArg && pArg->autoEQP && sqlite3_strlike("EXPLAIN%",zStmtSql,0)!=0 ){
        !          1909:         sqlite3_stmt *pExplain;
        !          1910:         char *zEQP;
        !          1911:         disable_debug_trace_modes();
        !          1912:         zEQP = sqlite3_mprintf("EXPLAIN QUERY PLAN %s", zStmtSql);
        !          1913:         rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0);
        !          1914:         if( rc==SQLITE_OK ){
        !          1915:           while( sqlite3_step(pExplain)==SQLITE_ROW ){
        !          1916:             raw_printf(pArg->out,"--EQP-- %d,",sqlite3_column_int(pExplain, 0));
        !          1917:             raw_printf(pArg->out,"%d,", sqlite3_column_int(pExplain, 1));
        !          1918:             raw_printf(pArg->out,"%d,", sqlite3_column_int(pExplain, 2));
        !          1919:             utf8_printf(pArg->out,"%s\n", sqlite3_column_text(pExplain, 3));
        !          1920:           }
        !          1921:         }
        !          1922:         sqlite3_finalize(pExplain);
        !          1923:         sqlite3_free(zEQP);
        !          1924:         if( pArg->autoEQP>=2 ){
        !          1925:           /* Also do an EXPLAIN for ".eqp full" mode */
        !          1926:           zEQP = sqlite3_mprintf("EXPLAIN %s", zStmtSql);
        !          1927:           rc = sqlite3_prepare_v2(db, zEQP, -1, &pExplain, 0);
        !          1928:           if( rc==SQLITE_OK ){
        !          1929:             pArg->cMode = MODE_Explain;
        !          1930:             explain_data_prepare(pArg, pExplain);
        !          1931:             exec_prepared_stmt(pArg, pExplain, xCallback);
        !          1932:             explain_data_delete(pArg);
        !          1933:           }
        !          1934:           sqlite3_finalize(pExplain);
        !          1935:           sqlite3_free(zEQP);
        !          1936:         }
        !          1937:         restore_debug_trace_modes();
        !          1938:       }
        !          1939: 
        !          1940:       if( pArg ){
        !          1941:         pArg->cMode = pArg->mode;
        !          1942:         if( pArg->autoExplain
        !          1943:          && sqlite3_column_count(pStmt)==8
        !          1944:          && sqlite3_strlike("EXPLAIN%", zStmtSql,0)==0
        !          1945:         ){
        !          1946:           pArg->cMode = MODE_Explain;
        !          1947:         }
        !          1948: 
        !          1949:         /* If the shell is currently in ".explain" mode, gather the extra
        !          1950:         ** data required to add indents to the output.*/
        !          1951:         if( pArg->cMode==MODE_Explain ){
        !          1952:           explain_data_prepare(pArg, pStmt);
        !          1953:         }
        !          1954:       }
        !          1955: 
        !          1956:       exec_prepared_stmt(pArg, pStmt, xCallback);
        !          1957:       explain_data_delete(pArg);
        !          1958: 
        !          1959:       /* print usage stats if stats on */
        !          1960:       if( pArg && pArg->statsOn ){
        !          1961:         display_stats(db, pArg, 0);
        !          1962:       }
        !          1963: 
        !          1964:       /* print loop-counters if required */
        !          1965:       if( pArg && pArg->scanstatsOn ){
        !          1966:         display_scanstats(db, pArg);
        !          1967:       }
        !          1968: 
        !          1969:       /* Finalize the statement just executed. If this fails, save a
        !          1970:       ** copy of the error message. Otherwise, set zSql to point to the
        !          1971:       ** next statement to execute. */
1.2       misho    1972:       rc2 = sqlite3_finalize(pStmt);
                   1973:       if( rc!=SQLITE_NOMEM ) rc = rc2;
                   1974:       if( rc==SQLITE_OK ){
                   1975:         zSql = zLeftover;
                   1976:         while( IsSpace(zSql[0]) ) zSql++;
                   1977:       }else if( pzErrMsg ){
                   1978:         *pzErrMsg = save_err_msg(db);
                   1979:       }
                   1980: 
                   1981:       /* clear saved stmt handle */
                   1982:       if( pArg ){
                   1983:         pArg->pStmt = NULL;
                   1984:       }
                   1985:     }
                   1986:   } /* end while */
                   1987: 
                   1988:   return rc;
                   1989: }
                   1990: 
                   1991: 
                   1992: /*
                   1993: ** This is a different callback routine used for dumping the database.
                   1994: ** Each row received by this callback consists of a table name,
                   1995: ** the table type ("index" or "table") and SQL to create the table.
                   1996: ** This routine should print text sufficient to recreate the table.
                   1997: */
                   1998: static int dump_callback(void *pArg, int nArg, char **azArg, char **azCol){
                   1999:   int rc;
                   2000:   const char *zTable;
                   2001:   const char *zType;
                   2002:   const char *zSql;
                   2003:   const char *zPrepStmt = 0;
1.3.14.1! misho    2004:   ShellState *p = (ShellState *)pArg;
1.2       misho    2005: 
                   2006:   UNUSED_PARAMETER(azCol);
                   2007:   if( nArg!=3 ) return 1;
                   2008:   zTable = azArg[0];
                   2009:   zType = azArg[1];
                   2010:   zSql = azArg[2];
1.3.14.1! misho    2011: 
1.2       misho    2012:   if( strcmp(zTable, "sqlite_sequence")==0 ){
                   2013:     zPrepStmt = "DELETE FROM sqlite_sequence;\n";
1.3.14.1! misho    2014:   }else if( sqlite3_strglob("sqlite_stat?", zTable)==0 ){
        !          2015:     raw_printf(p->out, "ANALYZE sqlite_master;\n");
1.2       misho    2016:   }else if( strncmp(zTable, "sqlite_", 7)==0 ){
                   2017:     return 0;
                   2018:   }else if( strncmp(zSql, "CREATE VIRTUAL TABLE", 20)==0 ){
                   2019:     char *zIns;
                   2020:     if( !p->writableSchema ){
1.3.14.1! misho    2021:       raw_printf(p->out, "PRAGMA writable_schema=ON;\n");
1.2       misho    2022:       p->writableSchema = 1;
                   2023:     }
                   2024:     zIns = sqlite3_mprintf(
                   2025:        "INSERT INTO sqlite_master(type,name,tbl_name,rootpage,sql)"
                   2026:        "VALUES('table','%q','%q',0,'%q');",
                   2027:        zTable, zTable, zSql);
1.3.14.1! misho    2028:     utf8_printf(p->out, "%s\n", zIns);
1.2       misho    2029:     sqlite3_free(zIns);
                   2030:     return 0;
                   2031:   }else{
1.3.14.1! misho    2032:     utf8_printf(p->out, "%s;\n", zSql);
1.2       misho    2033:   }
                   2034: 
                   2035:   if( strcmp(zType, "table")==0 ){
                   2036:     sqlite3_stmt *pTableInfo = 0;
                   2037:     char *zSelect = 0;
                   2038:     char *zTableInfo = 0;
                   2039:     char *zTmp = 0;
                   2040:     int nRow = 0;
1.3.14.1! misho    2041: 
1.2       misho    2042:     zTableInfo = appendText(zTableInfo, "PRAGMA table_info(", 0);
                   2043:     zTableInfo = appendText(zTableInfo, zTable, '"');
                   2044:     zTableInfo = appendText(zTableInfo, ");", 0);
                   2045: 
1.3.14.1! misho    2046:     rc = sqlite3_prepare_v2(p->db, zTableInfo, -1, &pTableInfo, 0);
1.2       misho    2047:     free(zTableInfo);
                   2048:     if( rc!=SQLITE_OK || !pTableInfo ){
                   2049:       return 1;
                   2050:     }
                   2051: 
                   2052:     zSelect = appendText(zSelect, "SELECT 'INSERT INTO ' || ", 0);
1.3       misho    2053:     /* Always quote the table name, even if it appears to be pure ascii,
                   2054:     ** in case it is a keyword. Ex:  INSERT INTO "table" ... */
1.2       misho    2055:     zTmp = appendText(zTmp, zTable, '"');
                   2056:     if( zTmp ){
                   2057:       zSelect = appendText(zSelect, zTmp, '\'');
1.3       misho    2058:       free(zTmp);
1.2       misho    2059:     }
                   2060:     zSelect = appendText(zSelect, " || ' VALUES(' || ", 0);
                   2061:     rc = sqlite3_step(pTableInfo);
                   2062:     while( rc==SQLITE_ROW ){
                   2063:       const char *zText = (const char *)sqlite3_column_text(pTableInfo, 1);
                   2064:       zSelect = appendText(zSelect, "quote(", 0);
                   2065:       zSelect = appendText(zSelect, zText, '"');
                   2066:       rc = sqlite3_step(pTableInfo);
                   2067:       if( rc==SQLITE_ROW ){
1.3       misho    2068:         zSelect = appendText(zSelect, "), ", 0);
1.2       misho    2069:       }else{
                   2070:         zSelect = appendText(zSelect, ") ", 0);
                   2071:       }
                   2072:       nRow++;
                   2073:     }
                   2074:     rc = sqlite3_finalize(pTableInfo);
                   2075:     if( rc!=SQLITE_OK || nRow==0 ){
                   2076:       free(zSelect);
                   2077:       return 1;
                   2078:     }
                   2079:     zSelect = appendText(zSelect, "|| ')' FROM  ", 0);
                   2080:     zSelect = appendText(zSelect, zTable, '"');
                   2081: 
                   2082:     rc = run_table_dump_query(p, zSelect, zPrepStmt);
                   2083:     if( rc==SQLITE_CORRUPT ){
                   2084:       zSelect = appendText(zSelect, " ORDER BY rowid DESC", 0);
                   2085:       run_table_dump_query(p, zSelect, 0);
                   2086:     }
1.3       misho    2087:     free(zSelect);
1.2       misho    2088:   }
                   2089:   return 0;
                   2090: }
                   2091: 
                   2092: /*
                   2093: ** Run zQuery.  Use dump_callback() as the callback routine so that
                   2094: ** the contents of the query are output as SQL statements.
                   2095: **
                   2096: ** If we get a SQLITE_CORRUPT error, rerun the query after appending
                   2097: ** "ORDER BY rowid DESC" to the end.
                   2098: */
                   2099: static int run_schema_dump_query(
1.3.14.1! misho    2100:   ShellState *p,
1.2       misho    2101:   const char *zQuery
                   2102: ){
                   2103:   int rc;
                   2104:   char *zErr = 0;
                   2105:   rc = sqlite3_exec(p->db, zQuery, dump_callback, p, &zErr);
                   2106:   if( rc==SQLITE_CORRUPT ){
                   2107:     char *zQ2;
                   2108:     int len = strlen30(zQuery);
1.3.14.1! misho    2109:     raw_printf(p->out, "/****** CORRUPTION ERROR *******/\n");
1.2       misho    2110:     if( zErr ){
1.3.14.1! misho    2111:       utf8_printf(p->out, "/****** %s ******/\n", zErr);
1.2       misho    2112:       sqlite3_free(zErr);
                   2113:       zErr = 0;
                   2114:     }
                   2115:     zQ2 = malloc( len+100 );
                   2116:     if( zQ2==0 ) return rc;
1.3       misho    2117:     sqlite3_snprintf(len+100, zQ2, "%s ORDER BY rowid DESC", zQuery);
1.2       misho    2118:     rc = sqlite3_exec(p->db, zQ2, dump_callback, p, &zErr);
                   2119:     if( rc ){
1.3.14.1! misho    2120:       utf8_printf(p->out, "/****** ERROR: %s ******/\n", zErr);
1.2       misho    2121:     }else{
                   2122:       rc = SQLITE_CORRUPT;
                   2123:     }
                   2124:     sqlite3_free(zErr);
                   2125:     free(zQ2);
                   2126:   }
                   2127:   return rc;
                   2128: }
                   2129: 
                   2130: /*
                   2131: ** Text of a help message
                   2132: */
                   2133: static char zHelp[] =
1.3.14.1! misho    2134:   ".auth ON|OFF           Show authorizer callbacks\n"
1.2       misho    2135:   ".backup ?DB? FILE      Backup DB (default \"main\") to FILE\n"
1.3.14.1! misho    2136:   ".bail on|off           Stop after hitting an error.  Default OFF\n"
        !          2137:   ".binary on|off         Turn binary output on or off.  Default OFF\n"
        !          2138:   ".changes on|off        Show number of rows changed by SQL\n"
        !          2139:   ".clone NEWDB           Clone data into NEWDB from the existing database\n"
1.2       misho    2140:   ".databases             List names and files of attached databases\n"
1.3.14.1! misho    2141:   ".dbinfo ?DB?           Show status information about the database\n"
1.2       misho    2142:   ".dump ?TABLE? ...      Dump the database in an SQL text format\n"
                   2143:   "                         If TABLE specified, only dump tables matching\n"
                   2144:   "                         LIKE pattern TABLE.\n"
1.3.14.1! misho    2145:   ".echo on|off           Turn command echo on or off\n"
        !          2146:   ".eqp on|off|full       Enable or disable automatic EXPLAIN QUERY PLAN\n"
1.2       misho    2147:   ".exit                  Exit this program\n"
1.3.14.1! misho    2148:   ".explain ?on|off|auto? Turn EXPLAIN output mode on or off or to automatic\n"
        !          2149:   ".fullschema ?--indent? Show schema and the content of sqlite_stat tables\n"
        !          2150:   ".headers on|off        Turn display of headers on or off\n"
1.2       misho    2151:   ".help                  Show this message\n"
                   2152:   ".import FILE TABLE     Import data from FILE into TABLE\n"
1.3.14.1! misho    2153:   ".indexes ?TABLE?       Show names of all indexes\n"
        !          2154:   "                         If TABLE specified, only show indexes for tables\n"
1.2       misho    2155:   "                         matching LIKE pattern TABLE.\n"
                   2156: #ifdef SQLITE_ENABLE_IOTRACE
                   2157:   ".iotrace FILE          Enable I/O diagnostic logging to FILE\n"
                   2158: #endif
1.3.14.1! misho    2159:   ".limit ?LIMIT? ?VAL?   Display or change the value of an SQLITE_LIMIT\n"
1.2       misho    2160: #ifndef SQLITE_OMIT_LOAD_EXTENSION
                   2161:   ".load FILE ?ENTRY?     Load an extension library\n"
                   2162: #endif
                   2163:   ".log FILE|off          Turn logging on or off.  FILE can be stderr/stdout\n"
                   2164:   ".mode MODE ?TABLE?     Set output mode where MODE is one of:\n"
1.3.14.1! misho    2165:   "                         ascii    Columns/rows delimited by 0x1F and 0x1E\n"
1.2       misho    2166:   "                         csv      Comma-separated values\n"
                   2167:   "                         column   Left-aligned columns.  (See .width)\n"
                   2168:   "                         html     HTML <table> code\n"
                   2169:   "                         insert   SQL insert statements for TABLE\n"
                   2170:   "                         line     One value per line\n"
1.3.14.1! misho    2171:   "                         list     Values delimited by .separator strings\n"
1.2       misho    2172:   "                         tabs     Tab-separated values\n"
                   2173:   "                         tcl      TCL list elements\n"
1.3       misho    2174:   ".nullvalue STRING      Use STRING in place of NULL values\n"
1.3.14.1! misho    2175:   ".once FILENAME         Output for the next SQL command only to FILENAME\n"
        !          2176:   ".open ?FILENAME?       Close existing database and reopen FILENAME\n"
        !          2177:   ".output ?FILENAME?     Send output to FILENAME or stdout\n"
1.3       misho    2178:   ".print STRING...       Print literal STRING\n"
1.2       misho    2179:   ".prompt MAIN CONTINUE  Replace the standard prompts\n"
                   2180:   ".quit                  Exit this program\n"
                   2181:   ".read FILENAME         Execute SQL in FILENAME\n"
                   2182:   ".restore ?DB? FILE     Restore content of DB (default \"main\") from FILE\n"
1.3.14.1! misho    2183:   ".save FILE             Write in-memory database into FILE\n"
        !          2184:   ".scanstats on|off      Turn sqlite3_stmt_scanstatus() metrics on or off\n"
        !          2185:   ".schema ?PATTERN?      Show the CREATE statements matching PATTERN\n"
        !          2186:   "                          Add --indent for pretty-printing\n"
        !          2187:   ".separator COL ?ROW?   Change the column separator and optionally the row\n"
        !          2188:   "                         separator for both the output mode and .import\n"
        !          2189: #if defined(SQLITE_ENABLE_SESSION)
        !          2190:   ".session CMD ...       Create or control sessions\n"
        !          2191: #endif
        !          2192:   ".shell CMD ARGS...     Run CMD ARGS... in a system shell\n"
1.2       misho    2193:   ".show                  Show the current values for various settings\n"
1.3.14.1! misho    2194:   ".stats ?on|off?        Show stats or turn stats on or off\n"
        !          2195:   ".system CMD ARGS...    Run CMD ARGS... in a system shell\n"
1.2       misho    2196:   ".tables ?TABLE?        List names of tables\n"
                   2197:   "                         If TABLE specified, only list tables matching\n"
                   2198:   "                         LIKE pattern TABLE.\n"
                   2199:   ".timeout MS            Try opening locked tables for MS milliseconds\n"
1.3.14.1! misho    2200:   ".timer on|off          Turn SQL timer on or off\n"
1.3       misho    2201:   ".trace FILE|off        Output each SQL statement as it is run\n"
1.3.14.1! misho    2202:   ".vfsinfo ?AUX?         Information about the top-level VFS\n"
        !          2203:   ".vfslist               List all available VFSes\n"
1.2       misho    2204:   ".vfsname ?AUX?         Print the name of the VFS stack\n"
                   2205:   ".width NUM1 NUM2 ...   Set column widths for \"column\" mode\n"
1.3.14.1! misho    2206:   "                         Negative values right-justify\n"
1.2       misho    2207: ;
                   2208: 
1.3.14.1! misho    2209: #if defined(SQLITE_ENABLE_SESSION)
        !          2210: /*
        !          2211: ** Print help information for the ".sessions" command
        !          2212: */
        !          2213: void session_help(ShellState *p){
        !          2214:   raw_printf(p->out,
        !          2215:     ".session ?NAME? SUBCOMMAND ?ARGS...?\n"
        !          2216:     "If ?NAME? is omitted, the first defined session is used.\n"
        !          2217:     "Subcommands:\n"
        !          2218:     "   attach TABLE             Attach TABLE\n"
        !          2219:     "   changeset FILE           Write a changeset into FILE\n"
        !          2220:     "   close                    Close one session\n"
        !          2221:     "   enable ?BOOLEAN?         Set or query the enable bit\n"
        !          2222:     "   filter GLOB...           Reject tables matching GLOBs\n"
        !          2223:     "   indirect ?BOOLEAN?       Mark or query the indirect status\n"
        !          2224:     "   isempty                  Query whether the session is empty\n"
        !          2225:     "   list                     List currently open session names\n"
        !          2226:     "   open DB NAME             Open a new session on DB\n"
        !          2227:     "   patchset FILE            Write a patchset into FILE\n"
        !          2228:   );
        !          2229: }
        !          2230: #endif
        !          2231: 
1.2       misho    2232: 
                   2233: /* Forward reference */
1.3.14.1! misho    2234: static int process_input(ShellState *p, FILE *in);
        !          2235: /*
        !          2236: ** Implementation of the "readfile(X)" SQL function.  The entire content
        !          2237: ** of the file named X is read and returned as a BLOB.  NULL is returned
        !          2238: ** if the file does not exist or is unreadable.
        !          2239: */
        !          2240: static void readfileFunc(
        !          2241:   sqlite3_context *context,
        !          2242:   int argc,
        !          2243:   sqlite3_value **argv
        !          2244: ){
        !          2245:   const char *zName;
        !          2246:   FILE *in;
        !          2247:   long nIn;
        !          2248:   void *pBuf;
        !          2249: 
        !          2250:   UNUSED_PARAMETER(argc);
        !          2251:   zName = (const char*)sqlite3_value_text(argv[0]);
        !          2252:   if( zName==0 ) return;
        !          2253:   in = fopen(zName, "rb");
        !          2254:   if( in==0 ) return;
        !          2255:   fseek(in, 0, SEEK_END);
        !          2256:   nIn = ftell(in);
        !          2257:   rewind(in);
        !          2258:   pBuf = sqlite3_malloc64( nIn );
        !          2259:   if( pBuf && 1==fread(pBuf, nIn, 1, in) ){
        !          2260:     sqlite3_result_blob(context, pBuf, nIn, sqlite3_free);
        !          2261:   }else{
        !          2262:     sqlite3_free(pBuf);
        !          2263:   }
        !          2264:   fclose(in);
        !          2265: }
        !          2266: 
        !          2267: /*
        !          2268: ** Implementation of the "writefile(X,Y)" SQL function.  The argument Y
        !          2269: ** is written into file X.  The number of bytes written is returned.  Or
        !          2270: ** NULL is returned if something goes wrong, such as being unable to open
        !          2271: ** file X for writing.
        !          2272: */
        !          2273: static void writefileFunc(
        !          2274:   sqlite3_context *context,
        !          2275:   int argc,
        !          2276:   sqlite3_value **argv
        !          2277: ){
        !          2278:   FILE *out;
        !          2279:   const char *z;
        !          2280:   sqlite3_int64 rc;
        !          2281:   const char *zFile;
        !          2282: 
        !          2283:   UNUSED_PARAMETER(argc);
        !          2284:   zFile = (const char*)sqlite3_value_text(argv[0]);
        !          2285:   if( zFile==0 ) return;
        !          2286:   out = fopen(zFile, "wb");
        !          2287:   if( out==0 ) return;
        !          2288:   z = (const char*)sqlite3_value_blob(argv[1]);
        !          2289:   if( z==0 ){
        !          2290:     rc = 0;
        !          2291:   }else{
        !          2292:     rc = fwrite(z, 1, sqlite3_value_bytes(argv[1]), out);
        !          2293:   }
        !          2294:   fclose(out);
        !          2295:   sqlite3_result_int64(context, rc);
        !          2296: }
        !          2297: 
        !          2298: #if defined(SQLITE_ENABLE_SESSION)
        !          2299: /*
        !          2300: ** Close a single OpenSession object and release all of its associated
        !          2301: ** resources.
        !          2302: */
        !          2303: static void session_close(OpenSession *pSession){
        !          2304:   int i;
        !          2305:   sqlite3session_delete(pSession->p);
        !          2306:   sqlite3_free(pSession->zName);
        !          2307:   for(i=0; i<pSession->nFilter; i++){
        !          2308:     sqlite3_free(pSession->azFilter[i]);
        !          2309:   }
        !          2310:   sqlite3_free(pSession->azFilter);
        !          2311:   memset(pSession, 0, sizeof(OpenSession));
        !          2312: }
        !          2313: #endif
        !          2314: 
        !          2315: /*
        !          2316: ** Close all OpenSession objects and release all associated resources.
        !          2317: */
        !          2318: #if defined(SQLITE_ENABLE_SESSION)
        !          2319: static void session_close_all(ShellState *p){
        !          2320:   int i;
        !          2321:   for(i=0; i<p->nSession; i++){
        !          2322:     session_close(&p->aSession[i]);
        !          2323:   }
        !          2324:   p->nSession = 0;
        !          2325: }
        !          2326: #else
        !          2327: # define session_close_all(X)
        !          2328: #endif
        !          2329: 
        !          2330: /*
        !          2331: ** Implementation of the xFilter function for an open session.  Omit
        !          2332: ** any tables named by ".session filter" but let all other table through.
        !          2333: */
        !          2334: #if defined(SQLITE_ENABLE_SESSION)
        !          2335: static int session_filter(void *pCtx, const char *zTab){
        !          2336:   OpenSession *pSession = (OpenSession*)pCtx;
        !          2337:   int i;
        !          2338:   for(i=0; i<pSession->nFilter; i++){
        !          2339:     if( sqlite3_strglob(pSession->azFilter[i], zTab)==0 ) return 0;
        !          2340:   }
        !          2341:   return 1;
        !          2342: }
        !          2343: #endif
1.2       misho    2344: 
                   2345: /*
                   2346: ** Make sure the database is open.  If it is not, then open it.  If
                   2347: ** the database fails to open, print an error message and exit.
                   2348: */
1.3.14.1! misho    2349: static void open_db(ShellState *p, int keepAlive){
1.2       misho    2350:   if( p->db==0 ){
1.3       misho    2351:     sqlite3_initialize();
1.2       misho    2352:     sqlite3_open(p->zDbFilename, &p->db);
1.3.14.1! misho    2353:     globalDb = p->db;
        !          2354:     if( p->db && sqlite3_errcode(p->db)==SQLITE_OK ){
        !          2355:       sqlite3_create_function(p->db, "shellstatic", 0, SQLITE_UTF8, 0,
1.2       misho    2356:           shellstaticFunc, 0, 0);
                   2357:     }
1.3.14.1! misho    2358:     if( p->db==0 || SQLITE_OK!=sqlite3_errcode(p->db) ){
        !          2359:       utf8_printf(stderr,"Error: unable to open database \"%s\": %s\n",
        !          2360:           p->zDbFilename, sqlite3_errmsg(p->db));
        !          2361:       if( keepAlive ) return;
1.2       misho    2362:       exit(1);
                   2363:     }
                   2364: #ifndef SQLITE_OMIT_LOAD_EXTENSION
                   2365:     sqlite3_enable_load_extension(p->db, 1);
                   2366: #endif
1.3.14.1! misho    2367:     sqlite3_create_function(p->db, "readfile", 1, SQLITE_UTF8, 0,
        !          2368:                             readfileFunc, 0, 0);
        !          2369:     sqlite3_create_function(p->db, "writefile", 2, SQLITE_UTF8, 0,
        !          2370:                             writefileFunc, 0, 0);
1.2       misho    2371:   }
                   2372: }
                   2373: 
                   2374: /*
                   2375: ** Do C-language style dequoting.
                   2376: **
1.3.14.1! misho    2377: **    \a    -> alarm
        !          2378: **    \b    -> backspace
1.2       misho    2379: **    \t    -> tab
                   2380: **    \n    -> newline
1.3.14.1! misho    2381: **    \v    -> vertical tab
        !          2382: **    \f    -> form feed
1.2       misho    2383: **    \r    -> carriage return
1.3.14.1! misho    2384: **    \s    -> space
        !          2385: **    \"    -> "
        !          2386: **    \'    -> '
1.2       misho    2387: **    \\    -> backslash
1.3.14.1! misho    2388: **    \NNN  -> ascii character NNN in octal
1.2       misho    2389: */
                   2390: static void resolve_backslashes(char *z){
                   2391:   int i, j;
                   2392:   char c;
1.3.14.1! misho    2393:   while( *z && *z!='\\' ) z++;
1.2       misho    2394:   for(i=j=0; (c = z[i])!=0; i++, j++){
1.3.14.1! misho    2395:     if( c=='\\' && z[i+1]!=0 ){
1.2       misho    2396:       c = z[++i];
1.3.14.1! misho    2397:       if( c=='a' ){
        !          2398:         c = '\a';
        !          2399:       }else if( c=='b' ){
        !          2400:         c = '\b';
1.2       misho    2401:       }else if( c=='t' ){
                   2402:         c = '\t';
1.3.14.1! misho    2403:       }else if( c=='n' ){
        !          2404:         c = '\n';
        !          2405:       }else if( c=='v' ){
        !          2406:         c = '\v';
        !          2407:       }else if( c=='f' ){
        !          2408:         c = '\f';
1.2       misho    2409:       }else if( c=='r' ){
                   2410:         c = '\r';
1.3.14.1! misho    2411:       }else if( c=='"' ){
        !          2412:         c = '"';
        !          2413:       }else if( c=='\'' ){
        !          2414:         c = '\'';
        !          2415:       }else if( c=='\\' ){
        !          2416:         c = '\\';
1.2       misho    2417:       }else if( c>='0' && c<='7' ){
                   2418:         c -= '0';
                   2419:         if( z[i+1]>='0' && z[i+1]<='7' ){
                   2420:           i++;
                   2421:           c = (c<<3) + z[i] - '0';
                   2422:           if( z[i+1]>='0' && z[i+1]<='7' ){
                   2423:             i++;
                   2424:             c = (c<<3) + z[i] - '0';
                   2425:           }
                   2426:         }
                   2427:       }
                   2428:     }
                   2429:     z[j] = c;
                   2430:   }
1.3.14.1! misho    2431:   if( j<i ) z[j] = 0;
1.2       misho    2432: }
                   2433: 
                   2434: /*
1.3.14.1! misho    2435: ** Return the value of a hexadecimal digit.  Return -1 if the input
        !          2436: ** is not a hex digit.
        !          2437: */
        !          2438: static int hexDigitValue(char c){
        !          2439:   if( c>='0' && c<='9' ) return c - '0';
        !          2440:   if( c>='a' && c<='f' ) return c - 'a' + 10;
        !          2441:   if( c>='A' && c<='F' ) return c - 'A' + 10;
        !          2442:   return -1;
        !          2443: }
        !          2444: 
        !          2445: /*
        !          2446: ** Interpret zArg as an integer value, possibly with suffixes.
        !          2447: */
        !          2448: static sqlite3_int64 integerValue(const char *zArg){
        !          2449:   sqlite3_int64 v = 0;
        !          2450:   static const struct { char *zSuffix; int iMult; } aMult[] = {
        !          2451:     { "KiB", 1024 },
        !          2452:     { "MiB", 1024*1024 },
        !          2453:     { "GiB", 1024*1024*1024 },
        !          2454:     { "KB",  1000 },
        !          2455:     { "MB",  1000000 },
        !          2456:     { "GB",  1000000000 },
        !          2457:     { "K",   1000 },
        !          2458:     { "M",   1000000 },
        !          2459:     { "G",   1000000000 },
        !          2460:   };
        !          2461:   int i;
        !          2462:   int isNeg = 0;
        !          2463:   if( zArg[0]=='-' ){
        !          2464:     isNeg = 1;
        !          2465:     zArg++;
        !          2466:   }else if( zArg[0]=='+' ){
        !          2467:     zArg++;
        !          2468:   }
        !          2469:   if( zArg[0]=='0' && zArg[1]=='x' ){
        !          2470:     int x;
        !          2471:     zArg += 2;
        !          2472:     while( (x = hexDigitValue(zArg[0]))>=0 ){
        !          2473:       v = (v<<4) + x;
        !          2474:       zArg++;
        !          2475:     }
        !          2476:   }else{
        !          2477:     while( IsDigit(zArg[0]) ){
        !          2478:       v = v*10 + zArg[0] - '0';
        !          2479:       zArg++;
        !          2480:     }
        !          2481:   }
        !          2482:   for(i=0; i<ArraySize(aMult); i++){
        !          2483:     if( sqlite3_stricmp(aMult[i].zSuffix, zArg)==0 ){
        !          2484:       v *= aMult[i].iMult;
        !          2485:       break;
        !          2486:     }
        !          2487:   }
        !          2488:   return isNeg? -v : v;
        !          2489: }
        !          2490: 
        !          2491: /*
        !          2492: ** Interpret zArg as either an integer or a boolean value.  Return 1 or 0
        !          2493: ** for TRUE and FALSE.  Return the integer value if appropriate.
1.2       misho    2494: */
                   2495: static int booleanValue(char *zArg){
1.3.14.1! misho    2496:   int i;
        !          2497:   if( zArg[0]=='0' && zArg[1]=='x' ){
        !          2498:     for(i=2; hexDigitValue(zArg[i])>=0; i++){}
        !          2499:   }else{
        !          2500:     for(i=0; zArg[i]>='0' && zArg[i]<='9'; i++){}
        !          2501:   }
        !          2502:   if( i>0 && zArg[i]==0 ) return (int)(integerValue(zArg) & 0xffffffff);
        !          2503:   if( sqlite3_stricmp(zArg, "on")==0 || sqlite3_stricmp(zArg,"yes")==0 ){
        !          2504:     return 1;
        !          2505:   }
        !          2506:   if( sqlite3_stricmp(zArg, "off")==0 || sqlite3_stricmp(zArg,"no")==0 ){
        !          2507:     return 0;
1.2       misho    2508:   }
1.3.14.1! misho    2509:   utf8_printf(stderr, "ERROR: Not a boolean value: \"%s\". Assuming \"no\".\n",
        !          2510:           zArg);
        !          2511:   return 0;
1.2       misho    2512: }
                   2513: 
                   2514: /*
1.3       misho    2515: ** Close an output file, assuming it is not stderr or stdout
                   2516: */
                   2517: static void output_file_close(FILE *f){
                   2518:   if( f && f!=stdout && f!=stderr ) fclose(f);
                   2519: }
                   2520: 
                   2521: /*
                   2522: ** Try to open an output file.   The names "stdout" and "stderr" are
1.3.14.1! misho    2523: ** recognized and do the right thing.  NULL is returned if the output
1.3       misho    2524: ** filename is "off".
                   2525: */
                   2526: static FILE *output_file_open(const char *zFile){
                   2527:   FILE *f;
                   2528:   if( strcmp(zFile,"stdout")==0 ){
                   2529:     f = stdout;
                   2530:   }else if( strcmp(zFile, "stderr")==0 ){
                   2531:     f = stderr;
                   2532:   }else if( strcmp(zFile, "off")==0 ){
                   2533:     f = 0;
                   2534:   }else{
                   2535:     f = fopen(zFile, "wb");
                   2536:     if( f==0 ){
1.3.14.1! misho    2537:       utf8_printf(stderr, "Error: cannot open \"%s\"\n", zFile);
1.3       misho    2538:     }
                   2539:   }
                   2540:   return f;
                   2541: }
                   2542: 
                   2543: /*
                   2544: ** A routine for handling output from sqlite3_trace().
                   2545: */
1.3.14.1! misho    2546: static int sql_trace_callback(
        !          2547:   unsigned mType,
        !          2548:   void *pArg,
        !          2549:   void *pP,
        !          2550:   void *pX
        !          2551: ){
1.3       misho    2552:   FILE *f = (FILE*)pArg;
1.3.14.1! misho    2553:   UNUSED_PARAMETER(mType);
        !          2554:   UNUSED_PARAMETER(pP);
        !          2555:   if( f ){
        !          2556:     const char *z = (const char*)pX;
        !          2557:     int i = (int)strlen(z);
        !          2558:     while( i>0 && z[i-1]==';' ){ i--; }
        !          2559:     utf8_printf(f, "%.*s;\n", i, z);
        !          2560:   }
        !          2561:   return 0;
1.3       misho    2562: }
                   2563: 
                   2564: /*
                   2565: ** A no-op routine that runs with the ".breakpoint" doc-command.  This is
                   2566: ** a useful spot to set a debugger breakpoint.
                   2567: */
                   2568: static void test_breakpoint(void){
                   2569:   static int nCall = 0;
                   2570:   nCall++;
                   2571: }
                   2572: 
                   2573: /*
1.3.14.1! misho    2574: ** An object used to read a CSV and other files for import.
        !          2575: */
        !          2576: typedef struct ImportCtx ImportCtx;
        !          2577: struct ImportCtx {
        !          2578:   const char *zFile;  /* Name of the input file */
        !          2579:   FILE *in;           /* Read the CSV text from this input stream */
        !          2580:   char *z;            /* Accumulated text for a field */
        !          2581:   int n;              /* Number of bytes in z */
        !          2582:   int nAlloc;         /* Space allocated for z[] */
        !          2583:   int nLine;          /* Current line number */
        !          2584:   int cTerm;          /* Character that terminated the most recent field */
        !          2585:   int cColSep;        /* The column separator character.  (Usually ",") */
        !          2586:   int cRowSep;        /* The row separator character.  (Usually "\n") */
        !          2587: };
        !          2588: 
        !          2589: /* Append a single byte to z[] */
        !          2590: static void import_append_char(ImportCtx *p, int c){
        !          2591:   if( p->n+1>=p->nAlloc ){
        !          2592:     p->nAlloc += p->nAlloc + 100;
        !          2593:     p->z = sqlite3_realloc64(p->z, p->nAlloc);
        !          2594:     if( p->z==0 ){
        !          2595:       raw_printf(stderr, "out of memory\n");
        !          2596:       exit(1);
        !          2597:     }
        !          2598:   }
        !          2599:   p->z[p->n++] = (char)c;
        !          2600: }
        !          2601: 
        !          2602: /* Read a single field of CSV text.  Compatible with rfc4180 and extended
        !          2603: ** with the option of having a separator other than ",".
        !          2604: **
        !          2605: **   +  Input comes from p->in.
        !          2606: **   +  Store results in p->z of length p->n.  Space to hold p->z comes
        !          2607: **      from sqlite3_malloc64().
        !          2608: **   +  Use p->cSep as the column separator.  The default is ",".
        !          2609: **   +  Use p->rSep as the row separator.  The default is "\n".
        !          2610: **   +  Keep track of the line number in p->nLine.
        !          2611: **   +  Store the character that terminates the field in p->cTerm.  Store
        !          2612: **      EOF on end-of-file.
        !          2613: **   +  Report syntax errors on stderr
        !          2614: */
        !          2615: static char *SQLITE_CDECL csv_read_one_field(ImportCtx *p){
        !          2616:   int c;
        !          2617:   int cSep = p->cColSep;
        !          2618:   int rSep = p->cRowSep;
        !          2619:   p->n = 0;
        !          2620:   c = fgetc(p->in);
        !          2621:   if( c==EOF || seenInterrupt ){
        !          2622:     p->cTerm = EOF;
        !          2623:     return 0;
        !          2624:   }
        !          2625:   if( c=='"' ){
        !          2626:     int pc, ppc;
        !          2627:     int startLine = p->nLine;
        !          2628:     int cQuote = c;
        !          2629:     pc = ppc = 0;
        !          2630:     while( 1 ){
        !          2631:       c = fgetc(p->in);
        !          2632:       if( c==rSep ) p->nLine++;
        !          2633:       if( c==cQuote ){
        !          2634:         if( pc==cQuote ){
        !          2635:           pc = 0;
        !          2636:           continue;
        !          2637:         }
        !          2638:       }
        !          2639:       if( (c==cSep && pc==cQuote)
        !          2640:        || (c==rSep && pc==cQuote)
        !          2641:        || (c==rSep && pc=='\r' && ppc==cQuote)
        !          2642:        || (c==EOF && pc==cQuote)
        !          2643:       ){
        !          2644:         do{ p->n--; }while( p->z[p->n]!=cQuote );
        !          2645:         p->cTerm = c;
        !          2646:         break;
        !          2647:       }
        !          2648:       if( pc==cQuote && c!='\r' ){
        !          2649:         utf8_printf(stderr, "%s:%d: unescaped %c character\n",
        !          2650:                 p->zFile, p->nLine, cQuote);
        !          2651:       }
        !          2652:       if( c==EOF ){
        !          2653:         utf8_printf(stderr, "%s:%d: unterminated %c-quoted field\n",
        !          2654:                 p->zFile, startLine, cQuote);
        !          2655:         p->cTerm = c;
        !          2656:         break;
        !          2657:       }
        !          2658:       import_append_char(p, c);
        !          2659:       ppc = pc;
        !          2660:       pc = c;
        !          2661:     }
        !          2662:   }else{
        !          2663:     while( c!=EOF && c!=cSep && c!=rSep ){
        !          2664:       import_append_char(p, c);
        !          2665:       c = fgetc(p->in);
        !          2666:     }
        !          2667:     if( c==rSep ){
        !          2668:       p->nLine++;
        !          2669:       if( p->n>0 && p->z[p->n-1]=='\r' ) p->n--;
        !          2670:     }
        !          2671:     p->cTerm = c;
        !          2672:   }
        !          2673:   if( p->z ) p->z[p->n] = 0;
        !          2674:   return p->z;
        !          2675: }
        !          2676: 
        !          2677: /* Read a single field of ASCII delimited text.
        !          2678: **
        !          2679: **   +  Input comes from p->in.
        !          2680: **   +  Store results in p->z of length p->n.  Space to hold p->z comes
        !          2681: **      from sqlite3_malloc64().
        !          2682: **   +  Use p->cSep as the column separator.  The default is "\x1F".
        !          2683: **   +  Use p->rSep as the row separator.  The default is "\x1E".
        !          2684: **   +  Keep track of the row number in p->nLine.
        !          2685: **   +  Store the character that terminates the field in p->cTerm.  Store
        !          2686: **      EOF on end-of-file.
        !          2687: **   +  Report syntax errors on stderr
        !          2688: */
        !          2689: static char *SQLITE_CDECL ascii_read_one_field(ImportCtx *p){
        !          2690:   int c;
        !          2691:   int cSep = p->cColSep;
        !          2692:   int rSep = p->cRowSep;
        !          2693:   p->n = 0;
        !          2694:   c = fgetc(p->in);
        !          2695:   if( c==EOF || seenInterrupt ){
        !          2696:     p->cTerm = EOF;
        !          2697:     return 0;
        !          2698:   }
        !          2699:   while( c!=EOF && c!=cSep && c!=rSep ){
        !          2700:     import_append_char(p, c);
        !          2701:     c = fgetc(p->in);
        !          2702:   }
        !          2703:   if( c==rSep ){
        !          2704:     p->nLine++;
        !          2705:   }
        !          2706:   p->cTerm = c;
        !          2707:   if( p->z ) p->z[p->n] = 0;
        !          2708:   return p->z;
        !          2709: }
        !          2710: 
        !          2711: /*
        !          2712: ** Try to transfer data for table zTable.  If an error is seen while
        !          2713: ** moving forward, try to go backwards.  The backwards movement won't
        !          2714: ** work for WITHOUT ROWID tables.
        !          2715: */
        !          2716: static void tryToCloneData(
        !          2717:   ShellState *p,
        !          2718:   sqlite3 *newDb,
        !          2719:   const char *zTable
        !          2720: ){
        !          2721:   sqlite3_stmt *pQuery = 0;
        !          2722:   sqlite3_stmt *pInsert = 0;
        !          2723:   char *zQuery = 0;
        !          2724:   char *zInsert = 0;
        !          2725:   int rc;
        !          2726:   int i, j, n;
        !          2727:   int nTable = (int)strlen(zTable);
        !          2728:   int k = 0;
        !          2729:   int cnt = 0;
        !          2730:   const int spinRate = 10000;
        !          2731: 
        !          2732:   zQuery = sqlite3_mprintf("SELECT * FROM \"%w\"", zTable);
        !          2733:   rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
        !          2734:   if( rc ){
        !          2735:     utf8_printf(stderr, "Error %d: %s on [%s]\n",
        !          2736:             sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db),
        !          2737:             zQuery);
        !          2738:     goto end_data_xfer;
        !          2739:   }
        !          2740:   n = sqlite3_column_count(pQuery);
        !          2741:   zInsert = sqlite3_malloc64(200 + nTable + n*3);
        !          2742:   if( zInsert==0 ){
        !          2743:     raw_printf(stderr, "out of memory\n");
        !          2744:     goto end_data_xfer;
        !          2745:   }
        !          2746:   sqlite3_snprintf(200+nTable,zInsert,
        !          2747:                    "INSERT OR IGNORE INTO \"%s\" VALUES(?", zTable);
        !          2748:   i = (int)strlen(zInsert);
        !          2749:   for(j=1; j<n; j++){
        !          2750:     memcpy(zInsert+i, ",?", 2);
        !          2751:     i += 2;
        !          2752:   }
        !          2753:   memcpy(zInsert+i, ");", 3);
        !          2754:   rc = sqlite3_prepare_v2(newDb, zInsert, -1, &pInsert, 0);
        !          2755:   if( rc ){
        !          2756:     utf8_printf(stderr, "Error %d: %s on [%s]\n",
        !          2757:             sqlite3_extended_errcode(newDb), sqlite3_errmsg(newDb),
        !          2758:             zQuery);
        !          2759:     goto end_data_xfer;
        !          2760:   }
        !          2761:   for(k=0; k<2; k++){
        !          2762:     while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){
        !          2763:       for(i=0; i<n; i++){
        !          2764:         switch( sqlite3_column_type(pQuery, i) ){
        !          2765:           case SQLITE_NULL: {
        !          2766:             sqlite3_bind_null(pInsert, i+1);
        !          2767:             break;
        !          2768:           }
        !          2769:           case SQLITE_INTEGER: {
        !          2770:             sqlite3_bind_int64(pInsert, i+1, sqlite3_column_int64(pQuery,i));
        !          2771:             break;
        !          2772:           }
        !          2773:           case SQLITE_FLOAT: {
        !          2774:             sqlite3_bind_double(pInsert, i+1, sqlite3_column_double(pQuery,i));
        !          2775:             break;
        !          2776:           }
        !          2777:           case SQLITE_TEXT: {
        !          2778:             sqlite3_bind_text(pInsert, i+1,
        !          2779:                              (const char*)sqlite3_column_text(pQuery,i),
        !          2780:                              -1, SQLITE_STATIC);
        !          2781:             break;
        !          2782:           }
        !          2783:           case SQLITE_BLOB: {
        !          2784:             sqlite3_bind_blob(pInsert, i+1, sqlite3_column_blob(pQuery,i),
        !          2785:                                             sqlite3_column_bytes(pQuery,i),
        !          2786:                                             SQLITE_STATIC);
        !          2787:             break;
        !          2788:           }
        !          2789:         }
        !          2790:       } /* End for */
        !          2791:       rc = sqlite3_step(pInsert);
        !          2792:       if( rc!=SQLITE_OK && rc!=SQLITE_ROW && rc!=SQLITE_DONE ){
        !          2793:         utf8_printf(stderr, "Error %d: %s\n", sqlite3_extended_errcode(newDb),
        !          2794:                         sqlite3_errmsg(newDb));
        !          2795:       }
        !          2796:       sqlite3_reset(pInsert);
        !          2797:       cnt++;
        !          2798:       if( (cnt%spinRate)==0 ){
        !          2799:         printf("%c\b", "|/-\\"[(cnt/spinRate)%4]);
        !          2800:         fflush(stdout);
        !          2801:       }
        !          2802:     } /* End while */
        !          2803:     if( rc==SQLITE_DONE ) break;
        !          2804:     sqlite3_finalize(pQuery);
        !          2805:     sqlite3_free(zQuery);
        !          2806:     zQuery = sqlite3_mprintf("SELECT * FROM \"%w\" ORDER BY rowid DESC;",
        !          2807:                              zTable);
        !          2808:     rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
        !          2809:     if( rc ){
        !          2810:       utf8_printf(stderr, "Warning: cannot step \"%s\" backwards", zTable);
        !          2811:       break;
        !          2812:     }
        !          2813:   } /* End for(k=0...) */
        !          2814: 
        !          2815: end_data_xfer:
        !          2816:   sqlite3_finalize(pQuery);
        !          2817:   sqlite3_finalize(pInsert);
        !          2818:   sqlite3_free(zQuery);
        !          2819:   sqlite3_free(zInsert);
        !          2820: }
        !          2821: 
        !          2822: 
        !          2823: /*
        !          2824: ** Try to transfer all rows of the schema that match zWhere.  For
        !          2825: ** each row, invoke xForEach() on the object defined by that row.
        !          2826: ** If an error is encountered while moving forward through the
        !          2827: ** sqlite_master table, try again moving backwards.
        !          2828: */
        !          2829: static void tryToCloneSchema(
        !          2830:   ShellState *p,
        !          2831:   sqlite3 *newDb,
        !          2832:   const char *zWhere,
        !          2833:   void (*xForEach)(ShellState*,sqlite3*,const char*)
        !          2834: ){
        !          2835:   sqlite3_stmt *pQuery = 0;
        !          2836:   char *zQuery = 0;
        !          2837:   int rc;
        !          2838:   const unsigned char *zName;
        !          2839:   const unsigned char *zSql;
        !          2840:   char *zErrMsg = 0;
        !          2841: 
        !          2842:   zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master"
        !          2843:                            " WHERE %s", zWhere);
        !          2844:   rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
        !          2845:   if( rc ){
        !          2846:     utf8_printf(stderr, "Error: (%d) %s on [%s]\n",
        !          2847:                     sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db),
        !          2848:                     zQuery);
        !          2849:     goto end_schema_xfer;
        !          2850:   }
        !          2851:   while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){
        !          2852:     zName = sqlite3_column_text(pQuery, 0);
        !          2853:     zSql = sqlite3_column_text(pQuery, 1);
        !          2854:     printf("%s... ", zName); fflush(stdout);
        !          2855:     sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg);
        !          2856:     if( zErrMsg ){
        !          2857:       utf8_printf(stderr, "Error: %s\nSQL: [%s]\n", zErrMsg, zSql);
        !          2858:       sqlite3_free(zErrMsg);
        !          2859:       zErrMsg = 0;
        !          2860:     }
        !          2861:     if( xForEach ){
        !          2862:       xForEach(p, newDb, (const char*)zName);
        !          2863:     }
        !          2864:     printf("done\n");
        !          2865:   }
        !          2866:   if( rc!=SQLITE_DONE ){
        !          2867:     sqlite3_finalize(pQuery);
        !          2868:     sqlite3_free(zQuery);
        !          2869:     zQuery = sqlite3_mprintf("SELECT name, sql FROM sqlite_master"
        !          2870:                              " WHERE %s ORDER BY rowid DESC", zWhere);
        !          2871:     rc = sqlite3_prepare_v2(p->db, zQuery, -1, &pQuery, 0);
        !          2872:     if( rc ){
        !          2873:       utf8_printf(stderr, "Error: (%d) %s on [%s]\n",
        !          2874:                       sqlite3_extended_errcode(p->db), sqlite3_errmsg(p->db),
        !          2875:                       zQuery);
        !          2876:       goto end_schema_xfer;
        !          2877:     }
        !          2878:     while( (rc = sqlite3_step(pQuery))==SQLITE_ROW ){
        !          2879:       zName = sqlite3_column_text(pQuery, 0);
        !          2880:       zSql = sqlite3_column_text(pQuery, 1);
        !          2881:       printf("%s... ", zName); fflush(stdout);
        !          2882:       sqlite3_exec(newDb, (const char*)zSql, 0, 0, &zErrMsg);
        !          2883:       if( zErrMsg ){
        !          2884:         utf8_printf(stderr, "Error: %s\nSQL: [%s]\n", zErrMsg, zSql);
        !          2885:         sqlite3_free(zErrMsg);
        !          2886:         zErrMsg = 0;
        !          2887:       }
        !          2888:       if( xForEach ){
        !          2889:         xForEach(p, newDb, (const char*)zName);
        !          2890:       }
        !          2891:       printf("done\n");
        !          2892:     }
        !          2893:   }
        !          2894: end_schema_xfer:
        !          2895:   sqlite3_finalize(pQuery);
        !          2896:   sqlite3_free(zQuery);
        !          2897: }
        !          2898: 
        !          2899: /*
        !          2900: ** Open a new database file named "zNewDb".  Try to recover as much information
        !          2901: ** as possible out of the main database (which might be corrupt) and write it
        !          2902: ** into zNewDb.
        !          2903: */
        !          2904: static void tryToClone(ShellState *p, const char *zNewDb){
        !          2905:   int rc;
        !          2906:   sqlite3 *newDb = 0;
        !          2907:   if( access(zNewDb,0)==0 ){
        !          2908:     utf8_printf(stderr, "File \"%s\" already exists.\n", zNewDb);
        !          2909:     return;
        !          2910:   }
        !          2911:   rc = sqlite3_open(zNewDb, &newDb);
        !          2912:   if( rc ){
        !          2913:     utf8_printf(stderr, "Cannot create output database: %s\n",
        !          2914:             sqlite3_errmsg(newDb));
        !          2915:   }else{
        !          2916:     sqlite3_exec(p->db, "PRAGMA writable_schema=ON;", 0, 0, 0);
        !          2917:     sqlite3_exec(newDb, "BEGIN EXCLUSIVE;", 0, 0, 0);
        !          2918:     tryToCloneSchema(p, newDb, "type='table'", tryToCloneData);
        !          2919:     tryToCloneSchema(p, newDb, "type!='table'", 0);
        !          2920:     sqlite3_exec(newDb, "COMMIT;", 0, 0, 0);
        !          2921:     sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
        !          2922:   }
        !          2923:   sqlite3_close(newDb);
        !          2924: }
        !          2925: 
        !          2926: /*
        !          2927: ** Change the output file back to stdout
        !          2928: */
        !          2929: static void output_reset(ShellState *p){
        !          2930:   if( p->outfile[0]=='|' ){
        !          2931: #ifndef SQLITE_OMIT_POPEN
        !          2932:     pclose(p->out);
        !          2933: #endif
        !          2934:   }else{
        !          2935:     output_file_close(p->out);
        !          2936:   }
        !          2937:   p->outfile[0] = 0;
        !          2938:   p->out = stdout;
        !          2939: }
        !          2940: 
        !          2941: /*
        !          2942: ** Run an SQL command and return the single integer result.
        !          2943: */
        !          2944: static int db_int(ShellState *p, const char *zSql){
        !          2945:   sqlite3_stmt *pStmt;
        !          2946:   int res = 0;
        !          2947:   sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
        !          2948:   if( pStmt && sqlite3_step(pStmt)==SQLITE_ROW ){
        !          2949:     res = sqlite3_column_int(pStmt,0);
        !          2950:   }
        !          2951:   sqlite3_finalize(pStmt);
        !          2952:   return res;
        !          2953: }
        !          2954: 
        !          2955: /*
        !          2956: ** Convert a 2-byte or 4-byte big-endian integer into a native integer
        !          2957: */
        !          2958: static unsigned int get2byteInt(unsigned char *a){
        !          2959:   return (a[0]<<8) + a[1];
        !          2960: }
        !          2961: static unsigned int get4byteInt(unsigned char *a){
        !          2962:   return (a[0]<<24) + (a[1]<<16) + (a[2]<<8) + a[3];
        !          2963: }
        !          2964: 
        !          2965: /*
        !          2966: ** Implementation of the ".info" command.
        !          2967: **
        !          2968: ** Return 1 on error, 2 to exit, and 0 otherwise.
        !          2969: */
        !          2970: static int shell_dbinfo_command(ShellState *p, int nArg, char **azArg){
        !          2971:   static const struct { const char *zName; int ofst; } aField[] = {
        !          2972:      { "file change counter:",  24  },
        !          2973:      { "database page count:",  28  },
        !          2974:      { "freelist page count:",  36  },
        !          2975:      { "schema cookie:",        40  },
        !          2976:      { "schema format:",        44  },
        !          2977:      { "default cache size:",   48  },
        !          2978:      { "autovacuum top root:",  52  },
        !          2979:      { "incremental vacuum:",   64  },
        !          2980:      { "text encoding:",        56  },
        !          2981:      { "user version:",         60  },
        !          2982:      { "application id:",       68  },
        !          2983:      { "software version:",     96  },
        !          2984:   };
        !          2985:   static const struct { const char *zName; const char *zSql; } aQuery[] = {
        !          2986:      { "number of tables:",
        !          2987:        "SELECT count(*) FROM %s WHERE type='table'" },
        !          2988:      { "number of indexes:",
        !          2989:        "SELECT count(*) FROM %s WHERE type='index'" },
        !          2990:      { "number of triggers:",
        !          2991:        "SELECT count(*) FROM %s WHERE type='trigger'" },
        !          2992:      { "number of views:",
        !          2993:        "SELECT count(*) FROM %s WHERE type='view'" },
        !          2994:      { "schema size:",
        !          2995:        "SELECT total(length(sql)) FROM %s" },
        !          2996:   };
        !          2997:   sqlite3_file *pFile = 0;
        !          2998:   int i;
        !          2999:   char *zSchemaTab;
        !          3000:   char *zDb = nArg>=2 ? azArg[1] : "main";
        !          3001:   unsigned char aHdr[100];
        !          3002:   open_db(p, 0);
        !          3003:   if( p->db==0 ) return 1;
        !          3004:   sqlite3_file_control(p->db, zDb, SQLITE_FCNTL_FILE_POINTER, &pFile);
        !          3005:   if( pFile==0 || pFile->pMethods==0 || pFile->pMethods->xRead==0 ){
        !          3006:     return 1;
        !          3007:   }
        !          3008:   i = pFile->pMethods->xRead(pFile, aHdr, 100, 0);
        !          3009:   if( i!=SQLITE_OK ){
        !          3010:     raw_printf(stderr, "unable to read database header\n");
        !          3011:     return 1;
        !          3012:   }
        !          3013:   i = get2byteInt(aHdr+16);
        !          3014:   if( i==1 ) i = 65536;
        !          3015:   utf8_printf(p->out, "%-20s %d\n", "database page size:", i);
        !          3016:   utf8_printf(p->out, "%-20s %d\n", "write format:", aHdr[18]);
        !          3017:   utf8_printf(p->out, "%-20s %d\n", "read format:", aHdr[19]);
        !          3018:   utf8_printf(p->out, "%-20s %d\n", "reserved bytes:", aHdr[20]);
        !          3019:   for(i=0; i<ArraySize(aField); i++){
        !          3020:     int ofst = aField[i].ofst;
        !          3021:     unsigned int val = get4byteInt(aHdr + ofst);
        !          3022:     utf8_printf(p->out, "%-20s %u", aField[i].zName, val);
        !          3023:     switch( ofst ){
        !          3024:       case 56: {
        !          3025:         if( val==1 ) raw_printf(p->out, " (utf8)");
        !          3026:         if( val==2 ) raw_printf(p->out, " (utf16le)");
        !          3027:         if( val==3 ) raw_printf(p->out, " (utf16be)");
        !          3028:       }
        !          3029:     }
        !          3030:     raw_printf(p->out, "\n");
        !          3031:   }
        !          3032:   if( zDb==0 ){
        !          3033:     zSchemaTab = sqlite3_mprintf("main.sqlite_master");
        !          3034:   }else if( strcmp(zDb,"temp")==0 ){
        !          3035:     zSchemaTab = sqlite3_mprintf("%s", "sqlite_temp_master");
        !          3036:   }else{
        !          3037:     zSchemaTab = sqlite3_mprintf("\"%w\".sqlite_master", zDb);
        !          3038:   }
        !          3039:   for(i=0; i<ArraySize(aQuery); i++){
        !          3040:     char *zSql = sqlite3_mprintf(aQuery[i].zSql, zSchemaTab);
        !          3041:     int val = db_int(p, zSql);
        !          3042:     sqlite3_free(zSql);
        !          3043:     utf8_printf(p->out, "%-20s %d\n", aQuery[i].zName, val);
        !          3044:   }
        !          3045:   sqlite3_free(zSchemaTab);
        !          3046:   return 0;
        !          3047: }
        !          3048: 
        !          3049: /*
        !          3050: ** Print the current sqlite3_errmsg() value to stderr and return 1.
        !          3051: */
        !          3052: static int shellDatabaseError(sqlite3 *db){
        !          3053:   const char *zErr = sqlite3_errmsg(db);
        !          3054:   utf8_printf(stderr, "Error: %s\n", zErr);
        !          3055:   return 1;
        !          3056: }
        !          3057: 
        !          3058: /*
        !          3059: ** Print an out-of-memory message to stderr and return 1.
        !          3060: */
        !          3061: static int shellNomemError(void){
        !          3062:   raw_printf(stderr, "Error: out of memory\n");
        !          3063:   return 1;
        !          3064: }
        !          3065: 
        !          3066: /*
        !          3067: ** Compare the string as a command-line option with either one or two
        !          3068: ** initial "-" characters.
        !          3069: */
        !          3070: static int optionMatch(const char *zStr, const char *zOpt){
        !          3071:   if( zStr[0]!='-' ) return 0;
        !          3072:   zStr++;
        !          3073:   if( zStr[0]=='-' ) zStr++;
        !          3074:   return strcmp(zStr, zOpt)==0;
        !          3075: }
        !          3076: 
        !          3077: /*
1.2       misho    3078: ** If an input line begins with "." then invoke this routine to
                   3079: ** process that line.
                   3080: **
                   3081: ** Return 1 on error, 2 to exit, and 0 otherwise.
                   3082: */
1.3.14.1! misho    3083: static int do_meta_command(char *zLine, ShellState *p){
        !          3084:   int h = 1;
1.2       misho    3085:   int nArg = 0;
                   3086:   int n, c;
                   3087:   int rc = 0;
                   3088:   char *azArg[50];
                   3089: 
                   3090:   /* Parse the input line into tokens.
                   3091:   */
1.3.14.1! misho    3092:   while( zLine[h] && nArg<ArraySize(azArg) ){
        !          3093:     while( IsSpace(zLine[h]) ){ h++; }
        !          3094:     if( zLine[h]==0 ) break;
        !          3095:     if( zLine[h]=='\'' || zLine[h]=='"' ){
        !          3096:       int delim = zLine[h++];
        !          3097:       azArg[nArg++] = &zLine[h];
        !          3098:       while( zLine[h] && zLine[h]!=delim ){
        !          3099:         if( zLine[h]=='\\' && delim=='"' && zLine[h+1]!=0 ) h++;
        !          3100:         h++;
        !          3101:       }
        !          3102:       if( zLine[h]==delim ){
        !          3103:         zLine[h++] = 0;
1.2       misho    3104:       }
                   3105:       if( delim=='"' ) resolve_backslashes(azArg[nArg-1]);
                   3106:     }else{
1.3.14.1! misho    3107:       azArg[nArg++] = &zLine[h];
        !          3108:       while( zLine[h] && !IsSpace(zLine[h]) ){ h++; }
        !          3109:       if( zLine[h] ) zLine[h++] = 0;
1.2       misho    3110:       resolve_backslashes(azArg[nArg-1]);
                   3111:     }
                   3112:   }
                   3113: 
                   3114:   /* Process the input line.
                   3115:   */
                   3116:   if( nArg==0 ) return 0; /* no tokens, no error */
                   3117:   n = strlen30(azArg[0]);
                   3118:   c = azArg[0][0];
1.3.14.1! misho    3119: 
        !          3120:   if( c=='a' && strncmp(azArg[0], "auth", n)==0 ){
        !          3121:     if( nArg!=2 ){
        !          3122:       raw_printf(stderr, "Usage: .auth ON|OFF\n");
        !          3123:       rc = 1;
        !          3124:       goto meta_command_exit;
        !          3125:     }
        !          3126:     open_db(p, 0);
        !          3127:     if( booleanValue(azArg[1]) ){
        !          3128:       sqlite3_set_authorizer(p->db, shellAuth, p);
        !          3129:     }else{
        !          3130:       sqlite3_set_authorizer(p->db, 0, 0);
        !          3131:     }
        !          3132:   }else
        !          3133: 
        !          3134:   if( (c=='b' && n>=3 && strncmp(azArg[0], "backup", n)==0)
        !          3135:    || (c=='s' && n>=3 && strncmp(azArg[0], "save", n)==0)
        !          3136:   ){
        !          3137:     const char *zDestFile = 0;
        !          3138:     const char *zDb = 0;
1.2       misho    3139:     sqlite3 *pDest;
                   3140:     sqlite3_backup *pBackup;
1.3.14.1! misho    3141:     int j;
        !          3142:     for(j=1; j<nArg; j++){
        !          3143:       const char *z = azArg[j];
        !          3144:       if( z[0]=='-' ){
        !          3145:         while( z[0]=='-' ) z++;
        !          3146:         /* No options to process at this time */
        !          3147:         {
        !          3148:           utf8_printf(stderr, "unknown option: %s\n", azArg[j]);
        !          3149:           return 1;
        !          3150:         }
        !          3151:       }else if( zDestFile==0 ){
        !          3152:         zDestFile = azArg[j];
        !          3153:       }else if( zDb==0 ){
        !          3154:         zDb = zDestFile;
        !          3155:         zDestFile = azArg[j];
        !          3156:       }else{
        !          3157:         raw_printf(stderr, "too many arguments to .backup\n");
        !          3158:         return 1;
        !          3159:       }
        !          3160:     }
        !          3161:     if( zDestFile==0 ){
        !          3162:       raw_printf(stderr, "missing FILENAME argument on .backup\n");
        !          3163:       return 1;
1.2       misho    3164:     }
1.3.14.1! misho    3165:     if( zDb==0 ) zDb = "main";
1.2       misho    3166:     rc = sqlite3_open(zDestFile, &pDest);
                   3167:     if( rc!=SQLITE_OK ){
1.3.14.1! misho    3168:       utf8_printf(stderr, "Error: cannot open \"%s\"\n", zDestFile);
1.2       misho    3169:       sqlite3_close(pDest);
                   3170:       return 1;
                   3171:     }
1.3.14.1! misho    3172:     open_db(p, 0);
1.2       misho    3173:     pBackup = sqlite3_backup_init(pDest, "main", p->db, zDb);
                   3174:     if( pBackup==0 ){
1.3.14.1! misho    3175:       utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
1.2       misho    3176:       sqlite3_close(pDest);
                   3177:       return 1;
                   3178:     }
                   3179:     while(  (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK ){}
                   3180:     sqlite3_backup_finish(pBackup);
                   3181:     if( rc==SQLITE_DONE ){
                   3182:       rc = 0;
                   3183:     }else{
1.3.14.1! misho    3184:       utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(pDest));
1.2       misho    3185:       rc = 1;
                   3186:     }
                   3187:     sqlite3_close(pDest);
                   3188:   }else
                   3189: 
1.3.14.1! misho    3190:   if( c=='b' && n>=3 && strncmp(azArg[0], "bail", n)==0 ){
        !          3191:     if( nArg==2 ){
        !          3192:       bail_on_error = booleanValue(azArg[1]);
        !          3193:     }else{
        !          3194:       raw_printf(stderr, "Usage: .bail on|off\n");
        !          3195:       rc = 1;
        !          3196:     }
        !          3197:   }else
        !          3198: 
        !          3199:   if( c=='b' && n>=3 && strncmp(azArg[0], "binary", n)==0 ){
        !          3200:     if( nArg==2 ){
        !          3201:       if( booleanValue(azArg[1]) ){
        !          3202:         setBinaryMode(p->out, 1);
        !          3203:       }else{
        !          3204:         setTextMode(p->out, 1);
        !          3205:       }
        !          3206:     }else{
        !          3207:       raw_printf(stderr, "Usage: .binary on|off\n");
        !          3208:       rc = 1;
        !          3209:     }
1.2       misho    3210:   }else
                   3211: 
1.3       misho    3212:   /* The undocumented ".breakpoint" command causes a call to the no-op
                   3213:   ** routine named test_breakpoint().
                   3214:   */
                   3215:   if( c=='b' && n>=3 && strncmp(azArg[0], "breakpoint", n)==0 ){
                   3216:     test_breakpoint();
                   3217:   }else
                   3218: 
1.3.14.1! misho    3219:   if( c=='c' && n>=3 && strncmp(azArg[0], "changes", n)==0 ){
        !          3220:     if( nArg==2 ){
        !          3221:       p->countChanges = booleanValue(azArg[1]);
        !          3222:     }else{
        !          3223:       raw_printf(stderr, "Usage: .changes on|off\n");
        !          3224:       rc = 1;
        !          3225:     }
        !          3226:   }else
        !          3227: 
        !          3228:   if( c=='c' && strncmp(azArg[0], "clone", n)==0 ){
        !          3229:     if( nArg==2 ){
        !          3230:       tryToClone(p, azArg[1]);
        !          3231:     }else{
        !          3232:       raw_printf(stderr, "Usage: .clone FILENAME\n");
        !          3233:       rc = 1;
        !          3234:     }
        !          3235:   }else
        !          3236: 
        !          3237:   if( c=='d' && n>1 && strncmp(azArg[0], "databases", n)==0 ){
        !          3238:     ShellState data;
1.2       misho    3239:     char *zErrMsg = 0;
1.3.14.1! misho    3240:     open_db(p, 0);
1.2       misho    3241:     memcpy(&data, p, sizeof(data));
                   3242:     data.showHeader = 1;
1.3.14.1! misho    3243:     data.cMode = data.mode = MODE_Column;
1.2       misho    3244:     data.colWidth[0] = 3;
                   3245:     data.colWidth[1] = 15;
                   3246:     data.colWidth[2] = 58;
                   3247:     data.cnt = 0;
                   3248:     sqlite3_exec(p->db, "PRAGMA database_list; ", callback, &data, &zErrMsg);
                   3249:     if( zErrMsg ){
1.3.14.1! misho    3250:       utf8_printf(stderr,"Error: %s\n", zErrMsg);
1.2       misho    3251:       sqlite3_free(zErrMsg);
                   3252:       rc = 1;
                   3253:     }
                   3254:   }else
                   3255: 
1.3.14.1! misho    3256:   if( c=='d' && strncmp(azArg[0], "dbinfo", n)==0 ){
        !          3257:     rc = shell_dbinfo_command(p, nArg, azArg);
        !          3258:   }else
        !          3259: 
        !          3260:   if( c=='d' && strncmp(azArg[0], "dump", n)==0 ){
        !          3261:     open_db(p, 0);
1.2       misho    3262:     /* When playing back a "dump", the content might appear in an order
                   3263:     ** which causes immediate foreign key constraints to be violated.
                   3264:     ** So disable foreign-key constraint enforcement to prevent problems. */
1.3.14.1! misho    3265:     if( nArg!=1 && nArg!=2 ){
        !          3266:       raw_printf(stderr, "Usage: .dump ?LIKE-PATTERN?\n");
        !          3267:       rc = 1;
        !          3268:       goto meta_command_exit;
        !          3269:     }
        !          3270:     raw_printf(p->out, "PRAGMA foreign_keys=OFF;\n");
        !          3271:     raw_printf(p->out, "BEGIN TRANSACTION;\n");
1.2       misho    3272:     p->writableSchema = 0;
                   3273:     sqlite3_exec(p->db, "SAVEPOINT dump; PRAGMA writable_schema=ON", 0, 0, 0);
                   3274:     p->nErr = 0;
                   3275:     if( nArg==1 ){
1.3.14.1! misho    3276:       run_schema_dump_query(p,
1.2       misho    3277:         "SELECT name, type, sql FROM sqlite_master "
                   3278:         "WHERE sql NOT NULL AND type=='table' AND name!='sqlite_sequence'"
                   3279:       );
1.3.14.1! misho    3280:       run_schema_dump_query(p,
1.2       misho    3281:         "SELECT name, type, sql FROM sqlite_master "
                   3282:         "WHERE name=='sqlite_sequence'"
                   3283:       );
                   3284:       run_table_dump_query(p,
                   3285:         "SELECT sql FROM sqlite_master "
                   3286:         "WHERE sql NOT NULL AND type IN ('index','trigger','view')", 0
                   3287:       );
                   3288:     }else{
                   3289:       int i;
                   3290:       for(i=1; i<nArg; i++){
                   3291:         zShellStatic = azArg[i];
                   3292:         run_schema_dump_query(p,
                   3293:           "SELECT name, type, sql FROM sqlite_master "
                   3294:           "WHERE tbl_name LIKE shellstatic() AND type=='table'"
                   3295:           "  AND sql NOT NULL");
                   3296:         run_table_dump_query(p,
                   3297:           "SELECT sql FROM sqlite_master "
                   3298:           "WHERE sql NOT NULL"
                   3299:           "  AND type IN ('index','trigger','view')"
                   3300:           "  AND tbl_name LIKE shellstatic()", 0
                   3301:         );
                   3302:         zShellStatic = 0;
                   3303:       }
                   3304:     }
                   3305:     if( p->writableSchema ){
1.3.14.1! misho    3306:       raw_printf(p->out, "PRAGMA writable_schema=OFF;\n");
1.2       misho    3307:       p->writableSchema = 0;
                   3308:     }
                   3309:     sqlite3_exec(p->db, "PRAGMA writable_schema=OFF;", 0, 0, 0);
                   3310:     sqlite3_exec(p->db, "RELEASE dump;", 0, 0, 0);
1.3.14.1! misho    3311:     raw_printf(p->out, p->nErr ? "ROLLBACK; -- due to errors\n" : "COMMIT;\n");
        !          3312:   }else
        !          3313: 
        !          3314:   if( c=='e' && strncmp(azArg[0], "echo", n)==0 ){
        !          3315:     if( nArg==2 ){
        !          3316:       p->echoOn = booleanValue(azArg[1]);
        !          3317:     }else{
        !          3318:       raw_printf(stderr, "Usage: .echo on|off\n");
        !          3319:       rc = 1;
        !          3320:     }
1.2       misho    3321:   }else
                   3322: 
1.3.14.1! misho    3323:   if( c=='e' && strncmp(azArg[0], "eqp", n)==0 ){
        !          3324:     if( nArg==2 ){
        !          3325:       if( strcmp(azArg[1],"full")==0 ){
        !          3326:         p->autoEQP = 2;
        !          3327:       }else{
        !          3328:         p->autoEQP = booleanValue(azArg[1]);
        !          3329:       }
        !          3330:     }else{
        !          3331:       raw_printf(stderr, "Usage: .eqp on|off|full\n");
        !          3332:       rc = 1;
        !          3333:     }
1.2       misho    3334:   }else
                   3335: 
1.3.14.1! misho    3336:   if( c=='e' && strncmp(azArg[0], "exit", n)==0 ){
        !          3337:     if( nArg>1 && (rc = (int)integerValue(azArg[1]))!=0 ) exit(rc);
1.2       misho    3338:     rc = 2;
                   3339:   }else
                   3340: 
1.3.14.1! misho    3341:   if( c=='e' && strncmp(azArg[0], "explain", n)==0 ){
        !          3342:     int val = 1;
        !          3343:     if( nArg>=2 ){
        !          3344:       if( strcmp(azArg[1],"auto")==0 ){
        !          3345:         val = 99;
        !          3346:       }else{
        !          3347:         val =  booleanValue(azArg[1]);
        !          3348:       }
        !          3349:     }
        !          3350:     if( val==1 && p->mode!=MODE_Explain ){
        !          3351:       p->normalMode = p->mode;
1.2       misho    3352:       p->mode = MODE_Explain;
1.3.14.1! misho    3353:       p->autoExplain = 0;
        !          3354:     }else if( val==0 ){
        !          3355:       if( p->mode==MODE_Explain ) p->mode = p->normalMode;
        !          3356:       p->autoExplain = 0;
        !          3357:     }else if( val==99 ){
        !          3358:       if( p->mode==MODE_Explain ) p->mode = p->normalMode;
        !          3359:       p->autoExplain = 1;
1.2       misho    3360:     }
                   3361:   }else
                   3362: 
1.3.14.1! misho    3363:   if( c=='f' && strncmp(azArg[0], "fullschema", n)==0 ){
        !          3364:     ShellState data;
        !          3365:     char *zErrMsg = 0;
        !          3366:     int doStats = 0;
        !          3367:     memcpy(&data, p, sizeof(data));
        !          3368:     data.showHeader = 0;
        !          3369:     data.cMode = data.mode = MODE_Semi;
        !          3370:     if( nArg==2 && optionMatch(azArg[1], "indent") ){
        !          3371:       data.cMode = data.mode = MODE_Pretty;
        !          3372:       nArg = 1;
        !          3373:     }
        !          3374:     if( nArg!=1 ){
        !          3375:       raw_printf(stderr, "Usage: .fullschema ?--indent?\n");
        !          3376:       rc = 1;
        !          3377:       goto meta_command_exit;
        !          3378:     }
        !          3379:     open_db(p, 0);
        !          3380:     rc = sqlite3_exec(p->db,
        !          3381:        "SELECT sql FROM"
        !          3382:        "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
        !          3383:        "     FROM sqlite_master UNION ALL"
        !          3384:        "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
        !          3385:        "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%' "
        !          3386:        "ORDER BY rowid",
        !          3387:        callback, &data, &zErrMsg
        !          3388:     );
        !          3389:     if( rc==SQLITE_OK ){
        !          3390:       sqlite3_stmt *pStmt;
        !          3391:       rc = sqlite3_prepare_v2(p->db,
        !          3392:                "SELECT rowid FROM sqlite_master"
        !          3393:                " WHERE name GLOB 'sqlite_stat[134]'",
        !          3394:                -1, &pStmt, 0);
        !          3395:       doStats = sqlite3_step(pStmt)==SQLITE_ROW;
        !          3396:       sqlite3_finalize(pStmt);
        !          3397:     }
        !          3398:     if( doStats==0 ){
        !          3399:       raw_printf(p->out, "/* No STAT tables available */\n");
        !          3400:     }else{
        !          3401:       raw_printf(p->out, "ANALYZE sqlite_master;\n");
        !          3402:       sqlite3_exec(p->db, "SELECT 'ANALYZE sqlite_master'",
        !          3403:                    callback, &data, &zErrMsg);
        !          3404:       data.cMode = data.mode = MODE_Insert;
        !          3405:       data.zDestTable = "sqlite_stat1";
        !          3406:       shell_exec(p->db, "SELECT * FROM sqlite_stat1",
        !          3407:                  shell_callback, &data,&zErrMsg);
        !          3408:       data.zDestTable = "sqlite_stat3";
        !          3409:       shell_exec(p->db, "SELECT * FROM sqlite_stat3",
        !          3410:                  shell_callback, &data,&zErrMsg);
        !          3411:       data.zDestTable = "sqlite_stat4";
        !          3412:       shell_exec(p->db, "SELECT * FROM sqlite_stat4",
        !          3413:                  shell_callback, &data, &zErrMsg);
        !          3414:       raw_printf(p->out, "ANALYZE sqlite_master;\n");
        !          3415:     }
1.2       misho    3416:   }else
                   3417: 
1.3.14.1! misho    3418:   if( c=='h' && strncmp(azArg[0], "headers", n)==0 ){
        !          3419:     if( nArg==2 ){
        !          3420:       p->showHeader = booleanValue(azArg[1]);
        !          3421:     }else{
        !          3422:       raw_printf(stderr, "Usage: .headers on|off\n");
        !          3423:       rc = 1;
1.2       misho    3424:     }
                   3425:   }else
                   3426: 
1.3.14.1! misho    3427:   if( c=='h' && strncmp(azArg[0], "help", n)==0 ){
        !          3428:     utf8_printf(p->out, "%s", zHelp);
        !          3429:   }else
        !          3430: 
        !          3431:   if( c=='i' && strncmp(azArg[0], "import", n)==0 ){
        !          3432:     char *zTable;               /* Insert data into this table */
        !          3433:     char *zFile;                /* Name of file to extra content from */
1.2       misho    3434:     sqlite3_stmt *pStmt = NULL; /* A statement */
                   3435:     int nCol;                   /* Number of columns in the table */
                   3436:     int nByte;                  /* Number of bytes in an SQL string */
                   3437:     int i, j;                   /* Loop counters */
1.3.14.1! misho    3438:     int needCommit;             /* True to COMMIT or ROLLBACK at end */
        !          3439:     int nSep;                   /* Number of bytes in p->colSeparator[] */
1.2       misho    3440:     char *zSql;                 /* An SQL statement */
1.3.14.1! misho    3441:     ImportCtx sCtx;             /* Reader context */
        !          3442:     char *(SQLITE_CDECL *xRead)(ImportCtx*); /* Func to read one value */
        !          3443:     int (SQLITE_CDECL *xCloser)(FILE*);      /* Func to close file */
        !          3444: 
        !          3445:     if( nArg!=3 ){
        !          3446:       raw_printf(stderr, "Usage: .import FILE TABLE\n");
        !          3447:       goto meta_command_exit;
        !          3448:     }
        !          3449:     zFile = azArg[1];
        !          3450:     zTable = azArg[2];
        !          3451:     seenInterrupt = 0;
        !          3452:     memset(&sCtx, 0, sizeof(sCtx));
        !          3453:     open_db(p, 0);
        !          3454:     nSep = strlen30(p->colSeparator);
        !          3455:     if( nSep==0 ){
        !          3456:       raw_printf(stderr,
        !          3457:                  "Error: non-null column separator required for import\n");
        !          3458:       return 1;
        !          3459:     }
        !          3460:     if( nSep>1 ){
        !          3461:       raw_printf(stderr, "Error: multi-character column separators not allowed"
        !          3462:                       " for import\n");
        !          3463:       return 1;
        !          3464:     }
        !          3465:     nSep = strlen30(p->rowSeparator);
1.2       misho    3466:     if( nSep==0 ){
1.3.14.1! misho    3467:       raw_printf(stderr, "Error: non-null row separator required for import\n");
1.2       misho    3468:       return 1;
                   3469:     }
1.3.14.1! misho    3470:     if( nSep==2 && p->mode==MODE_Csv && strcmp(p->rowSeparator, SEP_CrLf)==0 ){
        !          3471:       /* When importing CSV (only), if the row separator is set to the
        !          3472:       ** default output row separator, change it to the default input
        !          3473:       ** row separator.  This avoids having to maintain different input
        !          3474:       ** and output row separators. */
        !          3475:       sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Row);
        !          3476:       nSep = strlen30(p->rowSeparator);
        !          3477:     }
        !          3478:     if( nSep>1 ){
        !          3479:       raw_printf(stderr, "Error: multi-character row separators not allowed"
        !          3480:                       " for import\n");
        !          3481:       return 1;
        !          3482:     }
        !          3483:     sCtx.zFile = zFile;
        !          3484:     sCtx.nLine = 1;
        !          3485:     if( sCtx.zFile[0]=='|' ){
        !          3486: #ifdef SQLITE_OMIT_POPEN
        !          3487:       raw_printf(stderr, "Error: pipes are not supported in this OS\n");
        !          3488:       return 1;
        !          3489: #else
        !          3490:       sCtx.in = popen(sCtx.zFile+1, "r");
        !          3491:       sCtx.zFile = "<pipe>";
        !          3492:       xCloser = pclose;
        !          3493: #endif
        !          3494:     }else{
        !          3495:       sCtx.in = fopen(sCtx.zFile, "rb");
        !          3496:       xCloser = fclose;
        !          3497:     }
        !          3498:     if( p->mode==MODE_Ascii ){
        !          3499:       xRead = ascii_read_one_field;
        !          3500:     }else{
        !          3501:       xRead = csv_read_one_field;
        !          3502:     }
        !          3503:     if( sCtx.in==0 ){
        !          3504:       utf8_printf(stderr, "Error: cannot open \"%s\"\n", zFile);
        !          3505:       return 1;
        !          3506:     }
        !          3507:     sCtx.cColSep = p->colSeparator[0];
        !          3508:     sCtx.cRowSep = p->rowSeparator[0];
1.2       misho    3509:     zSql = sqlite3_mprintf("SELECT * FROM %s", zTable);
                   3510:     if( zSql==0 ){
1.3.14.1! misho    3511:       raw_printf(stderr, "Error: out of memory\n");
        !          3512:       xCloser(sCtx.in);
1.2       misho    3513:       return 1;
                   3514:     }
                   3515:     nByte = strlen30(zSql);
1.3.14.1! misho    3516:     rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
        !          3517:     import_append_char(&sCtx, 0);    /* To ensure sCtx.z is allocated */
        !          3518:     if( rc && sqlite3_strglob("no such table: *", sqlite3_errmsg(p->db))==0 ){
        !          3519:       char *zCreate = sqlite3_mprintf("CREATE TABLE %s", zTable);
        !          3520:       char cSep = '(';
        !          3521:       while( xRead(&sCtx) ){
        !          3522:         zCreate = sqlite3_mprintf("%z%c\n  \"%w\" TEXT", zCreate, cSep, sCtx.z);
        !          3523:         cSep = ',';
        !          3524:         if( sCtx.cTerm!=sCtx.cColSep ) break;
        !          3525:       }
        !          3526:       if( cSep=='(' ){
        !          3527:         sqlite3_free(zCreate);
        !          3528:         sqlite3_free(sCtx.z);
        !          3529:         xCloser(sCtx.in);
        !          3530:         utf8_printf(stderr,"%s: empty file\n", sCtx.zFile);
        !          3531:         return 1;
        !          3532:       }
        !          3533:       zCreate = sqlite3_mprintf("%z\n)", zCreate);
        !          3534:       rc = sqlite3_exec(p->db, zCreate, 0, 0, 0);
        !          3535:       sqlite3_free(zCreate);
        !          3536:       if( rc ){
        !          3537:         utf8_printf(stderr, "CREATE TABLE %s(...) failed: %s\n", zTable,
        !          3538:                 sqlite3_errmsg(p->db));
        !          3539:         sqlite3_free(sCtx.z);
        !          3540:         xCloser(sCtx.in);
        !          3541:         return 1;
        !          3542:       }
        !          3543:       rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
        !          3544:     }
1.2       misho    3545:     sqlite3_free(zSql);
                   3546:     if( rc ){
                   3547:       if (pStmt) sqlite3_finalize(pStmt);
1.3.14.1! misho    3548:       utf8_printf(stderr,"Error: %s\n", sqlite3_errmsg(p->db));
        !          3549:       xCloser(sCtx.in);
1.2       misho    3550:       return 1;
                   3551:     }
                   3552:     nCol = sqlite3_column_count(pStmt);
                   3553:     sqlite3_finalize(pStmt);
                   3554:     pStmt = 0;
                   3555:     if( nCol==0 ) return 0; /* no columns, no error */
1.3.14.1! misho    3556:     zSql = sqlite3_malloc64( nByte*2 + 20 + nCol*2 );
1.2       misho    3557:     if( zSql==0 ){
1.3.14.1! misho    3558:       raw_printf(stderr, "Error: out of memory\n");
        !          3559:       xCloser(sCtx.in);
1.2       misho    3560:       return 1;
                   3561:     }
1.3.14.1! misho    3562:     sqlite3_snprintf(nByte+20, zSql, "INSERT INTO \"%w\" VALUES(?", zTable);
1.2       misho    3563:     j = strlen30(zSql);
                   3564:     for(i=1; i<nCol; i++){
                   3565:       zSql[j++] = ',';
                   3566:       zSql[j++] = '?';
                   3567:     }
                   3568:     zSql[j++] = ')';
                   3569:     zSql[j] = 0;
1.3.14.1! misho    3570:     rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
        !          3571:     sqlite3_free(zSql);
1.2       misho    3572:     if( rc ){
1.3.14.1! misho    3573:       utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
1.2       misho    3574:       if (pStmt) sqlite3_finalize(pStmt);
1.3.14.1! misho    3575:       xCloser(sCtx.in);
1.2       misho    3576:       return 1;
                   3577:     }
1.3.14.1! misho    3578:     needCommit = sqlite3_get_autocommit(p->db);
        !          3579:     if( needCommit ) sqlite3_exec(p->db, "BEGIN", 0, 0, 0);
        !          3580:     do{
        !          3581:       int startLine = sCtx.nLine;
        !          3582:       for(i=0; i<nCol; i++){
        !          3583:         char *z = xRead(&sCtx);
        !          3584:         /*
        !          3585:         ** Did we reach end-of-file before finding any columns?
        !          3586:         ** If so, stop instead of NULL filling the remaining columns.
        !          3587:         */
        !          3588:         if( z==0 && i==0 ) break;
        !          3589:         /*
        !          3590:         ** Did we reach end-of-file OR end-of-line before finding any
        !          3591:         ** columns in ASCII mode?  If so, stop instead of NULL filling
        !          3592:         ** the remaining columns.
        !          3593:         */
        !          3594:         if( p->mode==MODE_Ascii && (z==0 || z[0]==0) && i==0 ) break;
        !          3595:         sqlite3_bind_text(pStmt, i+1, z, -1, SQLITE_TRANSIENT);
        !          3596:         if( i<nCol-1 && sCtx.cTerm!=sCtx.cColSep ){
        !          3597:           utf8_printf(stderr, "%s:%d: expected %d columns but found %d - "
        !          3598:                           "filling the rest with NULL\n",
        !          3599:                           sCtx.zFile, startLine, nCol, i+1);
        !          3600:           i += 2;
        !          3601:           while( i<=nCol ){ sqlite3_bind_null(pStmt, i); i++; }
1.2       misho    3602:         }
                   3603:       }
1.3.14.1! misho    3604:       if( sCtx.cTerm==sCtx.cColSep ){
        !          3605:         do{
        !          3606:           xRead(&sCtx);
        !          3607:           i++;
        !          3608:         }while( sCtx.cTerm==sCtx.cColSep );
        !          3609:         utf8_printf(stderr, "%s:%d: expected %d columns but found %d - "
        !          3610:                         "extras ignored\n",
        !          3611:                         sCtx.zFile, startLine, nCol, i);
        !          3612:       }
        !          3613:       if( i>=nCol ){
        !          3614:         sqlite3_step(pStmt);
        !          3615:         rc = sqlite3_reset(pStmt);
        !          3616:         if( rc!=SQLITE_OK ){
        !          3617:           utf8_printf(stderr, "%s:%d: INSERT failed: %s\n", sCtx.zFile,
        !          3618:                       startLine, sqlite3_errmsg(p->db));
        !          3619:         }
1.2       misho    3620:       }
1.3.14.1! misho    3621:     }while( sCtx.cTerm!=EOF );
        !          3622: 
        !          3623:     xCloser(sCtx.in);
        !          3624:     sqlite3_free(sCtx.z);
1.2       misho    3625:     sqlite3_finalize(pStmt);
1.3.14.1! misho    3626:     if( needCommit ) sqlite3_exec(p->db, "COMMIT", 0, 0, 0);
1.2       misho    3627:   }else
                   3628: 
1.3.14.1! misho    3629:   if( c=='i' && (strncmp(azArg[0], "indices", n)==0
        !          3630:                  || strncmp(azArg[0], "indexes", n)==0) ){
        !          3631:     ShellState data;
1.2       misho    3632:     char *zErrMsg = 0;
1.3.14.1! misho    3633:     open_db(p, 0);
1.2       misho    3634:     memcpy(&data, p, sizeof(data));
                   3635:     data.showHeader = 0;
1.3.14.1! misho    3636:     data.cMode = data.mode = MODE_List;
1.2       misho    3637:     if( nArg==1 ){
                   3638:       rc = sqlite3_exec(p->db,
                   3639:         "SELECT name FROM sqlite_master "
                   3640:         "WHERE type='index' AND name NOT LIKE 'sqlite_%' "
                   3641:         "UNION ALL "
                   3642:         "SELECT name FROM sqlite_temp_master "
                   3643:         "WHERE type='index' "
                   3644:         "ORDER BY 1",
                   3645:         callback, &data, &zErrMsg
                   3646:       );
1.3.14.1! misho    3647:     }else if( nArg==2 ){
1.2       misho    3648:       zShellStatic = azArg[1];
                   3649:       rc = sqlite3_exec(p->db,
                   3650:         "SELECT name FROM sqlite_master "
                   3651:         "WHERE type='index' AND tbl_name LIKE shellstatic() "
                   3652:         "UNION ALL "
                   3653:         "SELECT name FROM sqlite_temp_master "
                   3654:         "WHERE type='index' AND tbl_name LIKE shellstatic() "
                   3655:         "ORDER BY 1",
                   3656:         callback, &data, &zErrMsg
                   3657:       );
                   3658:       zShellStatic = 0;
1.3.14.1! misho    3659:     }else{
        !          3660:       raw_printf(stderr, "Usage: .indexes ?LIKE-PATTERN?\n");
        !          3661:       rc = 1;
        !          3662:       goto meta_command_exit;
1.2       misho    3663:     }
                   3664:     if( zErrMsg ){
1.3.14.1! misho    3665:       utf8_printf(stderr,"Error: %s\n", zErrMsg);
1.2       misho    3666:       sqlite3_free(zErrMsg);
                   3667:       rc = 1;
                   3668:     }else if( rc != SQLITE_OK ){
1.3.14.1! misho    3669:       raw_printf(stderr,
        !          3670:                  "Error: querying sqlite_master and sqlite_temp_master\n");
1.2       misho    3671:       rc = 1;
                   3672:     }
                   3673:   }else
                   3674: 
                   3675: #ifdef SQLITE_ENABLE_IOTRACE
                   3676:   if( c=='i' && strncmp(azArg[0], "iotrace", n)==0 ){
1.3.14.1! misho    3677:     SQLITE_API extern void (SQLITE_CDECL *sqlite3IoTrace)(const char*, ...);
1.2       misho    3678:     if( iotrace && iotrace!=stdout ) fclose(iotrace);
                   3679:     iotrace = 0;
                   3680:     if( nArg<2 ){
                   3681:       sqlite3IoTrace = 0;
                   3682:     }else if( strcmp(azArg[1], "-")==0 ){
                   3683:       sqlite3IoTrace = iotracePrintf;
                   3684:       iotrace = stdout;
                   3685:     }else{
                   3686:       iotrace = fopen(azArg[1], "w");
                   3687:       if( iotrace==0 ){
1.3.14.1! misho    3688:         utf8_printf(stderr, "Error: cannot open \"%s\"\n", azArg[1]);
1.2       misho    3689:         sqlite3IoTrace = 0;
                   3690:         rc = 1;
1.3.14.1! misho    3691:       }else{
        !          3692:         sqlite3IoTrace = iotracePrintf;
        !          3693:       }
        !          3694:     }
        !          3695:   }else
        !          3696: #endif
        !          3697:   if( c=='l' && n>=5 && strncmp(azArg[0], "limits", n)==0 ){
        !          3698:     static const struct {
        !          3699:        const char *zLimitName;   /* Name of a limit */
        !          3700:        int limitCode;            /* Integer code for that limit */
        !          3701:     } aLimit[] = {
        !          3702:       { "length",                SQLITE_LIMIT_LENGTH                    },
        !          3703:       { "sql_length",            SQLITE_LIMIT_SQL_LENGTH                },
        !          3704:       { "column",                SQLITE_LIMIT_COLUMN                    },
        !          3705:       { "expr_depth",            SQLITE_LIMIT_EXPR_DEPTH                },
        !          3706:       { "compound_select",       SQLITE_LIMIT_COMPOUND_SELECT           },
        !          3707:       { "vdbe_op",               SQLITE_LIMIT_VDBE_OP                   },
        !          3708:       { "function_arg",          SQLITE_LIMIT_FUNCTION_ARG              },
        !          3709:       { "attached",              SQLITE_LIMIT_ATTACHED                  },
        !          3710:       { "like_pattern_length",   SQLITE_LIMIT_LIKE_PATTERN_LENGTH       },
        !          3711:       { "variable_number",       SQLITE_LIMIT_VARIABLE_NUMBER           },
        !          3712:       { "trigger_depth",         SQLITE_LIMIT_TRIGGER_DEPTH             },
        !          3713:       { "worker_threads",        SQLITE_LIMIT_WORKER_THREADS            },
        !          3714:     };
        !          3715:     int i, n2;
        !          3716:     open_db(p, 0);
        !          3717:     if( nArg==1 ){
        !          3718:       for(i=0; i<ArraySize(aLimit); i++){
        !          3719:         printf("%20s %d\n", aLimit[i].zLimitName,
        !          3720:                sqlite3_limit(p->db, aLimit[i].limitCode, -1));
        !          3721:       }
        !          3722:     }else if( nArg>3 ){
        !          3723:       raw_printf(stderr, "Usage: .limit NAME ?NEW-VALUE?\n");
        !          3724:       rc = 1;
        !          3725:       goto meta_command_exit;
        !          3726:     }else{
        !          3727:       int iLimit = -1;
        !          3728:       n2 = strlen30(azArg[1]);
        !          3729:       for(i=0; i<ArraySize(aLimit); i++){
        !          3730:         if( sqlite3_strnicmp(aLimit[i].zLimitName, azArg[1], n2)==0 ){
        !          3731:           if( iLimit<0 ){
        !          3732:             iLimit = i;
        !          3733:           }else{
        !          3734:             utf8_printf(stderr, "ambiguous limit: \"%s\"\n", azArg[1]);
        !          3735:             rc = 1;
        !          3736:             goto meta_command_exit;
        !          3737:           }
        !          3738:         }
        !          3739:       }
        !          3740:       if( iLimit<0 ){
        !          3741:         utf8_printf(stderr, "unknown limit: \"%s\"\n"
        !          3742:                         "enter \".limits\" with no arguments for a list.\n",
        !          3743:                          azArg[1]);
        !          3744:         rc = 1;
        !          3745:         goto meta_command_exit;
1.2       misho    3746:       }
1.3.14.1! misho    3747:       if( nArg==3 ){
        !          3748:         sqlite3_limit(p->db, aLimit[iLimit].limitCode,
        !          3749:                       (int)integerValue(azArg[2]));
        !          3750:       }
        !          3751:       printf("%20s %d\n", aLimit[iLimit].zLimitName,
        !          3752:              sqlite3_limit(p->db, aLimit[iLimit].limitCode, -1));
1.2       misho    3753:     }
                   3754:   }else
                   3755: 
                   3756: #ifndef SQLITE_OMIT_LOAD_EXTENSION
1.3.14.1! misho    3757:   if( c=='l' && strncmp(azArg[0], "load", n)==0 ){
1.2       misho    3758:     const char *zFile, *zProc;
                   3759:     char *zErrMsg = 0;
1.3.14.1! misho    3760:     if( nArg<2 ){
        !          3761:       raw_printf(stderr, "Usage: .load FILE ?ENTRYPOINT?\n");
        !          3762:       rc = 1;
        !          3763:       goto meta_command_exit;
        !          3764:     }
1.2       misho    3765:     zFile = azArg[1];
                   3766:     zProc = nArg>=3 ? azArg[2] : 0;
1.3.14.1! misho    3767:     open_db(p, 0);
1.2       misho    3768:     rc = sqlite3_load_extension(p->db, zFile, zProc, &zErrMsg);
                   3769:     if( rc!=SQLITE_OK ){
1.3.14.1! misho    3770:       utf8_printf(stderr, "Error: %s\n", zErrMsg);
1.2       misho    3771:       sqlite3_free(zErrMsg);
                   3772:       rc = 1;
                   3773:     }
                   3774:   }else
                   3775: #endif
                   3776: 
1.3.14.1! misho    3777:   if( c=='l' && strncmp(azArg[0], "log", n)==0 ){
        !          3778:     if( nArg!=2 ){
        !          3779:       raw_printf(stderr, "Usage: .log FILENAME\n");
        !          3780:       rc = 1;
        !          3781:     }else{
        !          3782:       const char *zFile = azArg[1];
        !          3783:       output_file_close(p->pLog);
        !          3784:       p->pLog = output_file_open(zFile);
        !          3785:     }
1.2       misho    3786:   }else
                   3787: 
1.3.14.1! misho    3788:   if( c=='m' && strncmp(azArg[0], "mode", n)==0 ){
        !          3789:     const char *zMode = nArg>=2 ? azArg[1] : "";
        !          3790:     int n2 = (int)strlen(zMode);
        !          3791:     int c2 = zMode[0];
        !          3792:     if( c2=='l' && n2>2 && strncmp(azArg[1],"lines",n2)==0 ){
1.2       misho    3793:       p->mode = MODE_Line;
1.3.14.1! misho    3794:     }else if( c2=='c' && strncmp(azArg[1],"columns",n2)==0 ){
1.2       misho    3795:       p->mode = MODE_Column;
1.3.14.1! misho    3796:     }else if( c2=='l' && n2>2 && strncmp(azArg[1],"list",n2)==0 ){
1.2       misho    3797:       p->mode = MODE_List;
1.3.14.1! misho    3798:     }else if( c2=='h' && strncmp(azArg[1],"html",n2)==0 ){
1.2       misho    3799:       p->mode = MODE_Html;
1.3.14.1! misho    3800:     }else if( c2=='t' && strncmp(azArg[1],"tcl",n2)==0 ){
1.2       misho    3801:       p->mode = MODE_Tcl;
1.3.14.1! misho    3802:       sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Space);
        !          3803:     }else if( c2=='c' && strncmp(azArg[1],"csv",n2)==0 ){
1.2       misho    3804:       p->mode = MODE_Csv;
1.3.14.1! misho    3805:       sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Comma);
        !          3806:       sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_CrLf);
        !          3807:     }else if( c2=='t' && strncmp(azArg[1],"tabs",n2)==0 ){
1.2       misho    3808:       p->mode = MODE_List;
1.3.14.1! misho    3809:       sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Tab);
        !          3810:     }else if( c2=='i' && strncmp(azArg[1],"insert",n2)==0 ){
1.2       misho    3811:       p->mode = MODE_Insert;
1.3.14.1! misho    3812:       set_table_name(p, nArg>=3 ? azArg[2] : "table");
        !          3813:     }else if( c2=='a' && strncmp(azArg[1],"ascii",n2)==0 ){
        !          3814:       p->mode = MODE_Ascii;
        !          3815:       sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator, SEP_Unit);
        !          3816:       sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator, SEP_Record);
1.2       misho    3817:     }else {
1.3.14.1! misho    3818:       raw_printf(stderr, "Error: mode should be one of: "
        !          3819:          "ascii column csv html insert line list tabs tcl\n");
1.2       misho    3820:       rc = 1;
                   3821:     }
1.3.14.1! misho    3822:     p->cMode = p->mode;
1.2       misho    3823:   }else
                   3824: 
1.3.14.1! misho    3825:   if( c=='n' && strncmp(azArg[0], "nullvalue", n)==0 ){
        !          3826:     if( nArg==2 ){
        !          3827:       sqlite3_snprintf(sizeof(p->nullValue), p->nullValue,
        !          3828:                        "%.*s", (int)ArraySize(p->nullValue)-1, azArg[1]);
        !          3829:     }else{
        !          3830:       raw_printf(stderr, "Usage: .nullvalue STRING\n");
1.2       misho    3831:       rc = 1;
                   3832:     }
                   3833:   }else
                   3834: 
1.3.14.1! misho    3835:   if( c=='o' && strncmp(azArg[0], "open", n)==0 && n>=2 ){
        !          3836:     sqlite3 *savedDb = p->db;
        !          3837:     const char *zSavedFilename = p->zDbFilename;
        !          3838:     char *zNewFilename = 0;
        !          3839:     p->db = 0;
        !          3840:     if( nArg>=2 ) zNewFilename = sqlite3_mprintf("%s", azArg[1]);
        !          3841:     p->zDbFilename = zNewFilename;
        !          3842:     open_db(p, 1);
        !          3843:     if( p->db!=0 ){
        !          3844:       session_close_all(p);
        !          3845:       sqlite3_close(savedDb);
        !          3846:       sqlite3_free(p->zFreeOnClose);
        !          3847:       p->zFreeOnClose = zNewFilename;
        !          3848:     }else{
        !          3849:       sqlite3_free(zNewFilename);
        !          3850:       p->db = savedDb;
        !          3851:       p->zDbFilename = zSavedFilename;
        !          3852:     }
1.2       misho    3853:   }else
                   3854: 
1.3.14.1! misho    3855:   if( c=='o'
        !          3856:    && (strncmp(azArg[0], "output", n)==0 || strncmp(azArg[0], "once", n)==0)
        !          3857:   ){
        !          3858:     const char *zFile = nArg>=2 ? azArg[1] : "stdout";
        !          3859:     if( nArg>2 ){
        !          3860:       utf8_printf(stderr, "Usage: .%s FILE\n", azArg[0]);
        !          3861:       rc = 1;
        !          3862:       goto meta_command_exit;
        !          3863:     }
        !          3864:     if( n>1 && strncmp(azArg[0], "once", n)==0 ){
        !          3865:       if( nArg<2 ){
        !          3866:         raw_printf(stderr, "Usage: .once FILE\n");
        !          3867:         rc = 1;
        !          3868:         goto meta_command_exit;
        !          3869:       }
        !          3870:       p->outCount = 2;
1.3       misho    3871:     }else{
1.3.14.1! misho    3872:       p->outCount = 0;
1.2       misho    3873:     }
1.3.14.1! misho    3874:     output_reset(p);
        !          3875:     if( zFile[0]=='|' ){
        !          3876: #ifdef SQLITE_OMIT_POPEN
        !          3877:       raw_printf(stderr, "Error: pipes are not supported in this OS\n");
        !          3878:       rc = 1;
        !          3879:       p->out = stdout;
        !          3880: #else
        !          3881:       p->out = popen(zFile + 1, "w");
1.3       misho    3882:       if( p->out==0 ){
1.3.14.1! misho    3883:         utf8_printf(stderr,"Error: cannot open pipe \"%s\"\n", zFile + 1);
1.3       misho    3884:         p->out = stdout;
                   3885:         rc = 1;
                   3886:       }else{
1.3.14.1! misho    3887:         sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
1.3       misho    3888:       }
1.3.14.1! misho    3889: #endif
1.2       misho    3890:     }else{
1.3.14.1! misho    3891:       p->out = output_file_open(zFile);
1.2       misho    3892:       if( p->out==0 ){
1.3.14.1! misho    3893:         if( strcmp(zFile,"off")!=0 ){
        !          3894:           utf8_printf(stderr,"Error: cannot write to \"%s\"\n", zFile);
1.3       misho    3895:         }
1.2       misho    3896:         p->out = stdout;
                   3897:         rc = 1;
                   3898:       } else {
1.3.14.1! misho    3899:         sqlite3_snprintf(sizeof(p->outfile), p->outfile, "%s", zFile);
1.2       misho    3900:       }
                   3901:     }
                   3902:   }else
                   3903: 
1.3       misho    3904:   if( c=='p' && n>=3 && strncmp(azArg[0], "print", n)==0 ){
                   3905:     int i;
                   3906:     for(i=1; i<nArg; i++){
1.3.14.1! misho    3907:       if( i>1 ) raw_printf(p->out, " ");
        !          3908:       utf8_printf(p->out, "%s", azArg[i]);
1.3       misho    3909:     }
1.3.14.1! misho    3910:     raw_printf(p->out, "\n");
1.3       misho    3911:   }else
                   3912: 
1.3.14.1! misho    3913:   if( c=='p' && strncmp(azArg[0], "prompt", n)==0 ){
1.2       misho    3914:     if( nArg >= 2) {
                   3915:       strncpy(mainPrompt,azArg[1],(int)ArraySize(mainPrompt)-1);
                   3916:     }
                   3917:     if( nArg >= 3) {
                   3918:       strncpy(continuePrompt,azArg[2],(int)ArraySize(continuePrompt)-1);
                   3919:     }
                   3920:   }else
                   3921: 
1.3.14.1! misho    3922:   if( c=='q' && strncmp(azArg[0], "quit", n)==0 ){
1.2       misho    3923:     rc = 2;
                   3924:   }else
                   3925: 
1.3.14.1! misho    3926:   if( c=='r' && n>=3 && strncmp(azArg[0], "read", n)==0 ){
        !          3927:     FILE *alt;
        !          3928:     if( nArg!=2 ){
        !          3929:       raw_printf(stderr, "Usage: .read FILE\n");
        !          3930:       rc = 1;
        !          3931:       goto meta_command_exit;
        !          3932:     }
        !          3933:     alt = fopen(azArg[1], "rb");
1.2       misho    3934:     if( alt==0 ){
1.3.14.1! misho    3935:       utf8_printf(stderr,"Error: cannot open \"%s\"\n", azArg[1]);
1.2       misho    3936:       rc = 1;
                   3937:     }else{
                   3938:       rc = process_input(p, alt);
                   3939:       fclose(alt);
                   3940:     }
                   3941:   }else
                   3942: 
1.3.14.1! misho    3943:   if( c=='r' && n>=3 && strncmp(azArg[0], "restore", n)==0 ){
1.2       misho    3944:     const char *zSrcFile;
                   3945:     const char *zDb;
                   3946:     sqlite3 *pSrc;
                   3947:     sqlite3_backup *pBackup;
                   3948:     int nTimeout = 0;
                   3949: 
                   3950:     if( nArg==2 ){
                   3951:       zSrcFile = azArg[1];
                   3952:       zDb = "main";
1.3.14.1! misho    3953:     }else if( nArg==3 ){
1.2       misho    3954:       zSrcFile = azArg[2];
                   3955:       zDb = azArg[1];
1.3.14.1! misho    3956:     }else{
        !          3957:       raw_printf(stderr, "Usage: .restore ?DB? FILE\n");
        !          3958:       rc = 1;
        !          3959:       goto meta_command_exit;
1.2       misho    3960:     }
                   3961:     rc = sqlite3_open(zSrcFile, &pSrc);
                   3962:     if( rc!=SQLITE_OK ){
1.3.14.1! misho    3963:       utf8_printf(stderr, "Error: cannot open \"%s\"\n", zSrcFile);
1.2       misho    3964:       sqlite3_close(pSrc);
                   3965:       return 1;
                   3966:     }
1.3.14.1! misho    3967:     open_db(p, 0);
1.2       misho    3968:     pBackup = sqlite3_backup_init(p->db, zDb, pSrc, "main");
                   3969:     if( pBackup==0 ){
1.3.14.1! misho    3970:       utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
1.2       misho    3971:       sqlite3_close(pSrc);
                   3972:       return 1;
                   3973:     }
                   3974:     while( (rc = sqlite3_backup_step(pBackup,100))==SQLITE_OK
                   3975:           || rc==SQLITE_BUSY  ){
                   3976:       if( rc==SQLITE_BUSY ){
                   3977:         if( nTimeout++ >= 3 ) break;
                   3978:         sqlite3_sleep(100);
                   3979:       }
                   3980:     }
                   3981:     sqlite3_backup_finish(pBackup);
                   3982:     if( rc==SQLITE_DONE ){
                   3983:       rc = 0;
                   3984:     }else if( rc==SQLITE_BUSY || rc==SQLITE_LOCKED ){
1.3.14.1! misho    3985:       raw_printf(stderr, "Error: source database is busy\n");
1.2       misho    3986:       rc = 1;
                   3987:     }else{
1.3.14.1! misho    3988:       utf8_printf(stderr, "Error: %s\n", sqlite3_errmsg(p->db));
1.2       misho    3989:       rc = 1;
                   3990:     }
                   3991:     sqlite3_close(pSrc);
                   3992:   }else
                   3993: 
1.3.14.1! misho    3994: 
        !          3995:   if( c=='s' && strncmp(azArg[0], "scanstats", n)==0 ){
        !          3996:     if( nArg==2 ){
        !          3997:       p->scanstatsOn = booleanValue(azArg[1]);
        !          3998: #ifndef SQLITE_ENABLE_STMT_SCANSTATUS
        !          3999:       raw_printf(stderr, "Warning: .scanstats not available in this build.\n");
        !          4000: #endif
        !          4001:     }else{
        !          4002:       raw_printf(stderr, "Usage: .scanstats on|off\n");
        !          4003:       rc = 1;
        !          4004:     }
        !          4005:   }else
        !          4006: 
        !          4007:   if( c=='s' && strncmp(azArg[0], "schema", n)==0 ){
        !          4008:     ShellState data;
1.2       misho    4009:     char *zErrMsg = 0;
1.3.14.1! misho    4010:     open_db(p, 0);
1.2       misho    4011:     memcpy(&data, p, sizeof(data));
                   4012:     data.showHeader = 0;
1.3.14.1! misho    4013:     data.cMode = data.mode = MODE_Semi;
        !          4014:     if( nArg>=2 && optionMatch(azArg[1], "indent") ){
        !          4015:       data.cMode = data.mode = MODE_Pretty;
        !          4016:       nArg--;
        !          4017:       if( nArg==2 ) azArg[1] = azArg[2];
        !          4018:     }
        !          4019:     if( nArg==2 && azArg[1][0]!='-' ){
1.2       misho    4020:       int i;
                   4021:       for(i=0; azArg[1][i]; i++) azArg[1][i] = ToLower(azArg[1][i]);
                   4022:       if( strcmp(azArg[1],"sqlite_master")==0 ){
                   4023:         char *new_argv[2], *new_colv[2];
                   4024:         new_argv[0] = "CREATE TABLE sqlite_master (\n"
                   4025:                       "  type text,\n"
                   4026:                       "  name text,\n"
                   4027:                       "  tbl_name text,\n"
                   4028:                       "  rootpage integer,\n"
                   4029:                       "  sql text\n"
                   4030:                       ")";
                   4031:         new_argv[1] = 0;
                   4032:         new_colv[0] = "sql";
                   4033:         new_colv[1] = 0;
                   4034:         callback(&data, 1, new_argv, new_colv);
                   4035:         rc = SQLITE_OK;
                   4036:       }else if( strcmp(azArg[1],"sqlite_temp_master")==0 ){
                   4037:         char *new_argv[2], *new_colv[2];
                   4038:         new_argv[0] = "CREATE TEMP TABLE sqlite_temp_master (\n"
                   4039:                       "  type text,\n"
                   4040:                       "  name text,\n"
                   4041:                       "  tbl_name text,\n"
                   4042:                       "  rootpage integer,\n"
                   4043:                       "  sql text\n"
                   4044:                       ")";
                   4045:         new_argv[1] = 0;
                   4046:         new_colv[0] = "sql";
                   4047:         new_colv[1] = 0;
                   4048:         callback(&data, 1, new_argv, new_colv);
                   4049:         rc = SQLITE_OK;
                   4050:       }else{
                   4051:         zShellStatic = azArg[1];
                   4052:         rc = sqlite3_exec(p->db,
                   4053:           "SELECT sql FROM "
1.3       misho    4054:           "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
1.2       misho    4055:           "     FROM sqlite_master UNION ALL"
1.3       misho    4056:           "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
1.2       misho    4057:           "WHERE lower(tbl_name) LIKE shellstatic()"
                   4058:           "  AND type!='meta' AND sql NOTNULL "
1.3.14.1! misho    4059:           "ORDER BY rowid",
1.2       misho    4060:           callback, &data, &zErrMsg);
                   4061:         zShellStatic = 0;
                   4062:       }
1.3.14.1! misho    4063:     }else if( nArg==1 ){
1.2       misho    4064:       rc = sqlite3_exec(p->db,
                   4065:          "SELECT sql FROM "
1.3       misho    4066:          "  (SELECT sql sql, type type, tbl_name tbl_name, name name, rowid x"
1.2       misho    4067:          "     FROM sqlite_master UNION ALL"
1.3       misho    4068:          "   SELECT sql, type, tbl_name, name, rowid FROM sqlite_temp_master) "
1.3.14.1! misho    4069:          "WHERE type!='meta' AND sql NOTNULL AND name NOT LIKE 'sqlite_%' "
        !          4070:          "ORDER BY rowid",
1.2       misho    4071:          callback, &data, &zErrMsg
                   4072:       );
1.3.14.1! misho    4073:     }else{
        !          4074:       raw_printf(stderr, "Usage: .schema ?--indent? ?LIKE-PATTERN?\n");
        !          4075:       rc = 1;
        !          4076:       goto meta_command_exit;
1.2       misho    4077:     }
                   4078:     if( zErrMsg ){
1.3.14.1! misho    4079:       utf8_printf(stderr,"Error: %s\n", zErrMsg);
1.2       misho    4080:       sqlite3_free(zErrMsg);
                   4081:       rc = 1;
                   4082:     }else if( rc != SQLITE_OK ){
1.3.14.1! misho    4083:       raw_printf(stderr,"Error: querying schema information\n");
1.2       misho    4084:       rc = 1;
                   4085:     }else{
                   4086:       rc = 0;
                   4087:     }
                   4088:   }else
                   4089: 
1.3.14.1! misho    4090: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_SELECTTRACE)
        !          4091:   if( c=='s' && n==11 && strncmp(azArg[0], "selecttrace", n)==0 ){
        !          4092:     sqlite3SelectTrace = integerValue(azArg[1]);
        !          4093:   }else
        !          4094: #endif
        !          4095: 
        !          4096: #if defined(SQLITE_ENABLE_SESSION)
        !          4097:   if( c=='s' && strncmp(azArg[0],"session",n)==0 && n>=3 ){
        !          4098:     OpenSession *pSession = &p->aSession[0];
        !          4099:     char **azCmd = &azArg[1];
        !          4100:     int iSes = 0;
        !          4101:     int nCmd = nArg - 1;
        !          4102:     int i;
        !          4103:     if( nArg<=1 ) goto session_syntax_error;
        !          4104:     open_db(p, 0);
        !          4105:     if( nArg>=3 ){
        !          4106:       for(iSes=0; iSes<p->nSession; iSes++){
        !          4107:         if( strcmp(p->aSession[iSes].zName, azArg[1])==0 ) break;
        !          4108:       }
        !          4109:       if( iSes<p->nSession ){
        !          4110:         pSession = &p->aSession[iSes];
        !          4111:         azCmd++;
        !          4112:         nCmd--;
        !          4113:       }else{
        !          4114:         pSession = &p->aSession[0];
        !          4115:         iSes = 0;
        !          4116:       }
        !          4117:     }
        !          4118: 
        !          4119:     /* .session attach TABLE
        !          4120:     ** Invoke the sqlite3session_attach() interface to attach a particular
        !          4121:     ** table so that it is never filtered.
        !          4122:     */
        !          4123:     if( strcmp(azCmd[0],"attach")==0 ){
        !          4124:       if( nCmd!=2 ) goto session_syntax_error;
        !          4125:       if( pSession->p==0 ){
        !          4126:         session_not_open:
        !          4127:         raw_printf(stderr, "ERROR: No sessions are open\n");
        !          4128:       }else{
        !          4129:         rc = sqlite3session_attach(pSession->p, azCmd[1]);
        !          4130:         if( rc ){
        !          4131:           raw_printf(stderr, "ERROR: sqlite3session_attach() returns %d\n", rc);
        !          4132:           rc = 0;
        !          4133:         }
        !          4134:       }
        !          4135:     }else
        !          4136: 
        !          4137:     /* .session changeset FILE
        !          4138:     ** .session patchset FILE
        !          4139:     ** Write a changeset or patchset into a file.  The file is overwritten.
        !          4140:     */
        !          4141:     if( strcmp(azCmd[0],"changeset")==0 || strcmp(azCmd[0],"patchset")==0 ){
        !          4142:       FILE *out = 0;
        !          4143:       if( nCmd!=2 ) goto session_syntax_error;
        !          4144:       if( pSession->p==0 ) goto session_not_open;
        !          4145:       out = fopen(azCmd[1], "wb");
        !          4146:       if( out==0 ){
        !          4147:         utf8_printf(stderr, "ERROR: cannot open \"%s\" for writing\n", azCmd[1]);
        !          4148:       }else{
        !          4149:         int szChng;
        !          4150:         void *pChng;
        !          4151:         if( azCmd[0][0]=='c' ){
        !          4152:           rc = sqlite3session_changeset(pSession->p, &szChng, &pChng);
        !          4153:         }else{
        !          4154:           rc = sqlite3session_patchset(pSession->p, &szChng, &pChng);
        !          4155:         }
        !          4156:         if( rc ){
        !          4157:           printf("Error: error code %d\n", rc);
        !          4158:           rc = 0;
        !          4159:         }
        !          4160:         if( pChng
        !          4161:           && fwrite(pChng, szChng, 1, out)!=1 ){
        !          4162:           raw_printf(stderr, "ERROR: Failed to write entire %d-byte output\n",
        !          4163:                   szChng);
        !          4164:         }
        !          4165:         sqlite3_free(pChng);
        !          4166:         fclose(out);
        !          4167:       }
        !          4168:     }else
        !          4169: 
        !          4170:     /* .session close
        !          4171:     ** Close the identified session
        !          4172:     */
        !          4173:     if( strcmp(azCmd[0], "close")==0 ){
        !          4174:       if( nCmd!=1 ) goto session_syntax_error;
        !          4175:       if( p->nSession ){
        !          4176:         session_close(pSession);
        !          4177:         p->aSession[iSes] = p->aSession[--p->nSession];
        !          4178:       }
        !          4179:     }else
        !          4180: 
        !          4181:     /* .session enable ?BOOLEAN?
        !          4182:     ** Query or set the enable flag
        !          4183:     */
        !          4184:     if( strcmp(azCmd[0], "enable")==0 ){
        !          4185:       int ii;
        !          4186:       if( nCmd>2 ) goto session_syntax_error;
        !          4187:       ii = nCmd==1 ? -1 : booleanValue(azCmd[1]);
        !          4188:       if( p->nSession ){
        !          4189:         ii = sqlite3session_enable(pSession->p, ii);
        !          4190:         utf8_printf(p->out, "session %s enable flag = %d\n",
        !          4191:                     pSession->zName, ii);
        !          4192:       }
        !          4193:     }else
        !          4194: 
        !          4195:     /* .session filter GLOB ....
        !          4196:     ** Set a list of GLOB patterns of table names to be excluded.
        !          4197:     */
        !          4198:     if( strcmp(azCmd[0], "filter")==0 ){
        !          4199:       int ii, nByte;
        !          4200:       if( nCmd<2 ) goto session_syntax_error;
        !          4201:       if( p->nSession ){
        !          4202:         for(ii=0; ii<pSession->nFilter; ii++){
        !          4203:           sqlite3_free(pSession->azFilter[ii]);
        !          4204:         }
        !          4205:         sqlite3_free(pSession->azFilter);
        !          4206:         nByte = sizeof(pSession->azFilter[0])*(nCmd-1);
        !          4207:         pSession->azFilter = sqlite3_malloc( nByte );
        !          4208:         if( pSession->azFilter==0 ){
        !          4209:           raw_printf(stderr, "Error: out or memory\n");
        !          4210:           exit(1);
        !          4211:         }
        !          4212:         for(ii=1; ii<nCmd; ii++){
        !          4213:           pSession->azFilter[ii-1] = sqlite3_mprintf("%s", azCmd[ii]);
        !          4214:         }
        !          4215:         pSession->nFilter = ii-1;
        !          4216:       }
        !          4217:     }else
        !          4218: 
        !          4219:     /* .session indirect ?BOOLEAN?
        !          4220:     ** Query or set the indirect flag
        !          4221:     */
        !          4222:     if( strcmp(azCmd[0], "indirect")==0 ){
        !          4223:       int ii;
        !          4224:       if( nCmd>2 ) goto session_syntax_error;
        !          4225:       ii = nCmd==1 ? -1 : booleanValue(azCmd[1]);
        !          4226:       if( p->nSession ){
        !          4227:         ii = sqlite3session_indirect(pSession->p, ii);
        !          4228:         utf8_printf(p->out, "session %s indirect flag = %d\n",
        !          4229:                     pSession->zName, ii);
        !          4230:       }
        !          4231:     }else
        !          4232: 
        !          4233:     /* .session isempty
        !          4234:     ** Determine if the session is empty
        !          4235:     */
        !          4236:     if( strcmp(azCmd[0], "isempty")==0 ){
        !          4237:       int ii;
        !          4238:       if( nCmd!=1 ) goto session_syntax_error;
        !          4239:       if( p->nSession ){
        !          4240:         ii = sqlite3session_isempty(pSession->p);
        !          4241:         utf8_printf(p->out, "session %s isempty flag = %d\n",
        !          4242:                     pSession->zName, ii);
        !          4243:       }
        !          4244:     }else
        !          4245: 
        !          4246:     /* .session list
        !          4247:     ** List all currently open sessions
        !          4248:     */
        !          4249:     if( strcmp(azCmd[0],"list")==0 ){
        !          4250:       for(i=0; i<p->nSession; i++){
        !          4251:         utf8_printf(p->out, "%d %s\n", i, p->aSession[i].zName);
        !          4252:       }
        !          4253:     }else
        !          4254: 
        !          4255:     /* .session open DB NAME
        !          4256:     ** Open a new session called NAME on the attached database DB.
        !          4257:     ** DB is normally "main".
        !          4258:     */
        !          4259:     if( strcmp(azCmd[0],"open")==0 ){
        !          4260:       char *zName;
        !          4261:       if( nCmd!=3 ) goto session_syntax_error;
        !          4262:       zName = azCmd[2];
        !          4263:       if( zName[0]==0 ) goto session_syntax_error;
        !          4264:       for(i=0; i<p->nSession; i++){
        !          4265:         if( strcmp(p->aSession[i].zName,zName)==0 ){
        !          4266:           utf8_printf(stderr, "Session \"%s\" already exists\n", zName);
        !          4267:           goto meta_command_exit;
        !          4268:         }
        !          4269:       }
        !          4270:       if( p->nSession>=ArraySize(p->aSession) ){
        !          4271:         raw_printf(stderr, "Maximum of %d sessions\n", ArraySize(p->aSession));
        !          4272:         goto meta_command_exit;
        !          4273:       }
        !          4274:       pSession = &p->aSession[p->nSession];
        !          4275:       rc = sqlite3session_create(p->db, azCmd[1], &pSession->p);
        !          4276:       if( rc ){
        !          4277:         raw_printf(stderr, "Cannot open session: error code=%d\n", rc);
        !          4278:         rc = 0;
        !          4279:         goto meta_command_exit;
        !          4280:       }
        !          4281:       pSession->nFilter = 0;
        !          4282:       sqlite3session_table_filter(pSession->p, session_filter, pSession);
        !          4283:       p->nSession++;
        !          4284:       pSession->zName = sqlite3_mprintf("%s", zName);
        !          4285:     }else
        !          4286:     /* If no command name matches, show a syntax error */
        !          4287:     session_syntax_error:
        !          4288:     session_help(p);
        !          4289:   }else
        !          4290: #endif
        !          4291: 
        !          4292: #ifdef SQLITE_DEBUG
        !          4293:   /* Undocumented commands for internal testing.  Subject to change
        !          4294:   ** without notice. */
        !          4295:   if( c=='s' && n>=10 && strncmp(azArg[0], "selftest-", 9)==0 ){
        !          4296:     if( strncmp(azArg[0]+9, "boolean", n-9)==0 ){
        !          4297:       int i, v;
        !          4298:       for(i=1; i<nArg; i++){
        !          4299:         v = booleanValue(azArg[i]);
        !          4300:         utf8_printf(p->out, "%s: %d 0x%x\n", azArg[i], v, v);
        !          4301:       }
        !          4302:     }
        !          4303:     if( strncmp(azArg[0]+9, "integer", n-9)==0 ){
        !          4304:       int i; sqlite3_int64 v;
        !          4305:       for(i=1; i<nArg; i++){
        !          4306:         char zBuf[200];
        !          4307:         v = integerValue(azArg[i]);
        !          4308:         sqlite3_snprintf(sizeof(zBuf),zBuf,"%s: %lld 0x%llx\n", azArg[i],v,v);
        !          4309:         utf8_printf(p->out, "%s", zBuf);
        !          4310:       }
        !          4311:     }
        !          4312:   }else
        !          4313: #endif
        !          4314: 
        !          4315:   if( c=='s' && strncmp(azArg[0], "separator", n)==0 ){
        !          4316:     if( nArg<2 || nArg>3 ){
        !          4317:       raw_printf(stderr, "Usage: .separator COL ?ROW?\n");
        !          4318:       rc = 1;
        !          4319:     }
        !          4320:     if( nArg>=2 ){
        !          4321:       sqlite3_snprintf(sizeof(p->colSeparator), p->colSeparator,
        !          4322:                        "%.*s", (int)ArraySize(p->colSeparator)-1, azArg[1]);
        !          4323:     }
        !          4324:     if( nArg>=3 ){
        !          4325:       sqlite3_snprintf(sizeof(p->rowSeparator), p->rowSeparator,
        !          4326:                        "%.*s", (int)ArraySize(p->rowSeparator)-1, azArg[2]);
        !          4327:     }
        !          4328:   }else
        !          4329: 
        !          4330:   if( c=='s'
        !          4331:    && (strncmp(azArg[0], "shell", n)==0 || strncmp(azArg[0],"system",n)==0)
        !          4332:   ){
        !          4333:     char *zCmd;
        !          4334:     int i, x;
        !          4335:     if( nArg<2 ){
        !          4336:       raw_printf(stderr, "Usage: .system COMMAND\n");
        !          4337:       rc = 1;
        !          4338:       goto meta_command_exit;
        !          4339:     }
        !          4340:     zCmd = sqlite3_mprintf(strchr(azArg[1],' ')==0?"%s":"\"%s\"", azArg[1]);
        !          4341:     for(i=2; i<nArg; i++){
        !          4342:       zCmd = sqlite3_mprintf(strchr(azArg[i],' ')==0?"%z %s":"%z \"%s\"",
        !          4343:                              zCmd, azArg[i]);
        !          4344:     }
        !          4345:     x = system(zCmd);
        !          4346:     sqlite3_free(zCmd);
        !          4347:     if( x ) raw_printf(stderr, "System command returns %d\n", x);
1.2       misho    4348:   }else
                   4349: 
1.3.14.1! misho    4350:   if( c=='s' && strncmp(azArg[0], "show", n)==0 ){
        !          4351:     static const char *azBool[] = { "off", "on", "full", "unk" };
1.2       misho    4352:     int i;
1.3.14.1! misho    4353:     if( nArg!=1 ){
        !          4354:       raw_printf(stderr, "Usage: .show\n");
        !          4355:       rc = 1;
        !          4356:       goto meta_command_exit;
        !          4357:     }
        !          4358:     utf8_printf(p->out, "%12.12s: %s\n","echo", azBool[p->echoOn!=0]);
        !          4359:     utf8_printf(p->out, "%12.12s: %s\n","eqp", azBool[p->autoEQP&3]);
        !          4360:     utf8_printf(p->out, "%12.12s: %s\n","explain",
        !          4361:          p->mode==MODE_Explain ? "on" : p->autoExplain ? "auto" : "off");
        !          4362:     utf8_printf(p->out,"%12.12s: %s\n","headers", azBool[p->showHeader!=0]);
        !          4363:     utf8_printf(p->out, "%12.12s: %s\n","mode", modeDescr[p->mode]);
        !          4364:     utf8_printf(p->out, "%12.12s: ", "nullvalue");
        !          4365:       output_c_string(p->out, p->nullValue);
        !          4366:       raw_printf(p->out, "\n");
        !          4367:     utf8_printf(p->out,"%12.12s: %s\n","output",
1.2       misho    4368:             strlen30(p->outfile) ? p->outfile : "stdout");
1.3.14.1! misho    4369:     utf8_printf(p->out,"%12.12s: ", "colseparator");
        !          4370:       output_c_string(p->out, p->colSeparator);
        !          4371:       raw_printf(p->out, "\n");
        !          4372:     utf8_printf(p->out,"%12.12s: ", "rowseparator");
        !          4373:       output_c_string(p->out, p->rowSeparator);
        !          4374:       raw_printf(p->out, "\n");
        !          4375:     utf8_printf(p->out, "%12.12s: %s\n","stats", azBool[p->statsOn!=0]);
        !          4376:     utf8_printf(p->out, "%12.12s: ", "width");
1.2       misho    4377:     for (i=0;i<(int)ArraySize(p->colWidth) && p->colWidth[i] != 0;i++) {
1.3.14.1! misho    4378:       raw_printf(p->out, "%d ", p->colWidth[i]);
1.2       misho    4379:     }
1.3.14.1! misho    4380:     raw_printf(p->out, "\n");
1.2       misho    4381:   }else
                   4382: 
1.3.14.1! misho    4383:   if( c=='s' && strncmp(azArg[0], "stats", n)==0 ){
        !          4384:     if( nArg==2 ){
        !          4385:       p->statsOn = booleanValue(azArg[1]);
        !          4386:     }else if( nArg==1 ){
        !          4387:       display_stats(p->db, p, 0);
        !          4388:     }else{
        !          4389:       raw_printf(stderr, "Usage: .stats ?on|off?\n");
        !          4390:       rc = 1;
        !          4391:     }
1.2       misho    4392:   }else
                   4393: 
1.3.14.1! misho    4394:   if( c=='t' && n>1 && strncmp(azArg[0], "tables", n)==0 ){
1.3       misho    4395:     sqlite3_stmt *pStmt;
1.2       misho    4396:     char **azResult;
1.3       misho    4397:     int nRow, nAlloc;
                   4398:     char *zSql = 0;
                   4399:     int ii;
1.3.14.1! misho    4400:     open_db(p, 0);
1.3       misho    4401:     rc = sqlite3_prepare_v2(p->db, "PRAGMA database_list", -1, &pStmt, 0);
1.3.14.1! misho    4402:     if( rc ) return shellDatabaseError(p->db);
        !          4403: 
        !          4404:     /* Create an SQL statement to query for the list of tables in the
        !          4405:     ** main and all attached databases where the table name matches the
        !          4406:     ** LIKE pattern bound to variable "?1". */
1.3       misho    4407:     zSql = sqlite3_mprintf(
                   4408:         "SELECT name FROM sqlite_master"
                   4409:         " WHERE type IN ('table','view')"
                   4410:         "   AND name NOT LIKE 'sqlite_%%'"
                   4411:         "   AND name LIKE ?1");
1.3.14.1! misho    4412:     while( zSql && sqlite3_step(pStmt)==SQLITE_ROW ){
1.3       misho    4413:       const char *zDbName = (const char*)sqlite3_column_text(pStmt, 1);
                   4414:       if( zDbName==0 || strcmp(zDbName,"main")==0 ) continue;
                   4415:       if( strcmp(zDbName,"temp")==0 ){
                   4416:         zSql = sqlite3_mprintf(
                   4417:                  "%z UNION ALL "
                   4418:                  "SELECT 'temp.' || name FROM sqlite_temp_master"
                   4419:                  " WHERE type IN ('table','view')"
                   4420:                  "   AND name NOT LIKE 'sqlite_%%'"
                   4421:                  "   AND name LIKE ?1", zSql);
                   4422:       }else{
                   4423:         zSql = sqlite3_mprintf(
                   4424:                  "%z UNION ALL "
                   4425:                  "SELECT '%q.' || name FROM \"%w\".sqlite_master"
                   4426:                  " WHERE type IN ('table','view')"
                   4427:                  "   AND name NOT LIKE 'sqlite_%%'"
                   4428:                  "   AND name LIKE ?1", zSql, zDbName, zDbName);
                   4429:       }
                   4430:     }
1.3.14.1! misho    4431:     rc = sqlite3_finalize(pStmt);
        !          4432:     if( zSql && rc==SQLITE_OK ){
        !          4433:       zSql = sqlite3_mprintf("%z ORDER BY 1", zSql);
        !          4434:       if( zSql ) rc = sqlite3_prepare_v2(p->db, zSql, -1, &pStmt, 0);
        !          4435:     }
1.3       misho    4436:     sqlite3_free(zSql);
1.3.14.1! misho    4437:     if( !zSql ) return shellNomemError();
        !          4438:     if( rc ) return shellDatabaseError(p->db);
        !          4439: 
        !          4440:     /* Run the SQL statement prepared by the above block. Store the results
        !          4441:     ** as an array of nul-terminated strings in azResult[].  */
1.3       misho    4442:     nRow = nAlloc = 0;
                   4443:     azResult = 0;
                   4444:     if( nArg>1 ){
                   4445:       sqlite3_bind_text(pStmt, 1, azArg[1], -1, SQLITE_TRANSIENT);
1.2       misho    4446:     }else{
1.3       misho    4447:       sqlite3_bind_text(pStmt, 1, "%", -1, SQLITE_STATIC);
                   4448:     }
                   4449:     while( sqlite3_step(pStmt)==SQLITE_ROW ){
                   4450:       if( nRow>=nAlloc ){
                   4451:         char **azNew;
1.3.14.1! misho    4452:         int n2 = nAlloc*2 + 10;
        !          4453:         azNew = sqlite3_realloc64(azResult, sizeof(azResult[0])*n2);
1.3       misho    4454:         if( azNew==0 ){
1.3.14.1! misho    4455:           rc = shellNomemError();
1.3       misho    4456:           break;
                   4457:         }
1.3.14.1! misho    4458:         nAlloc = n2;
1.3       misho    4459:         azResult = azNew;
                   4460:       }
                   4461:       azResult[nRow] = sqlite3_mprintf("%s", sqlite3_column_text(pStmt, 0));
1.3.14.1! misho    4462:       if( 0==azResult[nRow] ){
        !          4463:         rc = shellNomemError();
        !          4464:         break;
        !          4465:       }
        !          4466:       nRow++;
1.2       misho    4467:     }
1.3.14.1! misho    4468:     if( sqlite3_finalize(pStmt)!=SQLITE_OK ){
        !          4469:       rc = shellDatabaseError(p->db);
        !          4470:     }
        !          4471: 
        !          4472:     /* Pretty-print the contents of array azResult[] to the output */
        !          4473:     if( rc==0 && nRow>0 ){
1.2       misho    4474:       int len, maxlen = 0;
                   4475:       int i, j;
                   4476:       int nPrintCol, nPrintRow;
1.3       misho    4477:       for(i=0; i<nRow; i++){
1.2       misho    4478:         len = strlen30(azResult[i]);
                   4479:         if( len>maxlen ) maxlen = len;
                   4480:       }
                   4481:       nPrintCol = 80/(maxlen+2);
                   4482:       if( nPrintCol<1 ) nPrintCol = 1;
                   4483:       nPrintRow = (nRow + nPrintCol - 1)/nPrintCol;
                   4484:       for(i=0; i<nPrintRow; i++){
1.3       misho    4485:         for(j=i; j<nRow; j+=nPrintRow){
                   4486:           char *zSp = j<nPrintRow ? "" : "  ";
1.3.14.1! misho    4487:           utf8_printf(p->out, "%s%-*s", zSp, maxlen,
        !          4488:                       azResult[j] ? azResult[j]:"");
1.2       misho    4489:         }
1.3.14.1! misho    4490:         raw_printf(p->out, "\n");
1.2       misho    4491:       }
                   4492:     }
1.3.14.1! misho    4493: 
1.3       misho    4494:     for(ii=0; ii<nRow; ii++) sqlite3_free(azResult[ii]);
                   4495:     sqlite3_free(azResult);
1.2       misho    4496:   }else
                   4497: 
                   4498:   if( c=='t' && n>=8 && strncmp(azArg[0], "testctrl", n)==0 && nArg>=2 ){
                   4499:     static const struct {
                   4500:        const char *zCtrlName;   /* Name of a test-control option */
                   4501:        int ctrlCode;            /* Integer code for that option */
                   4502:     } aCtrl[] = {
                   4503:       { "prng_save",             SQLITE_TESTCTRL_PRNG_SAVE              },
                   4504:       { "prng_restore",          SQLITE_TESTCTRL_PRNG_RESTORE           },
                   4505:       { "prng_reset",            SQLITE_TESTCTRL_PRNG_RESET             },
                   4506:       { "bitvec_test",           SQLITE_TESTCTRL_BITVEC_TEST            },
                   4507:       { "fault_install",         SQLITE_TESTCTRL_FAULT_INSTALL          },
                   4508:       { "benign_malloc_hooks",   SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS    },
                   4509:       { "pending_byte",          SQLITE_TESTCTRL_PENDING_BYTE           },
                   4510:       { "assert",                SQLITE_TESTCTRL_ASSERT                 },
                   4511:       { "always",                SQLITE_TESTCTRL_ALWAYS                 },
                   4512:       { "reserve",               SQLITE_TESTCTRL_RESERVE                },
                   4513:       { "optimizations",         SQLITE_TESTCTRL_OPTIMIZATIONS          },
                   4514:       { "iskeyword",             SQLITE_TESTCTRL_ISKEYWORD              },
                   4515:       { "scratchmalloc",         SQLITE_TESTCTRL_SCRATCHMALLOC          },
1.3.14.1! misho    4516:       { "byteorder",             SQLITE_TESTCTRL_BYTEORDER              },
        !          4517:       { "never_corrupt",         SQLITE_TESTCTRL_NEVER_CORRUPT          },
        !          4518:       { "imposter",              SQLITE_TESTCTRL_IMPOSTER               },
1.2       misho    4519:     };
                   4520:     int testctrl = -1;
1.3.14.1! misho    4521:     int rc2 = 0;
        !          4522:     int i, n2;
        !          4523:     open_db(p, 0);
1.2       misho    4524: 
                   4525:     /* convert testctrl text option to value. allow any unique prefix
                   4526:     ** of the option name, or a numerical value. */
1.3.14.1! misho    4527:     n2 = strlen30(azArg[1]);
        !          4528:     for(i=0; i<ArraySize(aCtrl); i++){
        !          4529:       if( strncmp(azArg[1], aCtrl[i].zCtrlName, n2)==0 ){
1.2       misho    4530:         if( testctrl<0 ){
                   4531:           testctrl = aCtrl[i].ctrlCode;
                   4532:         }else{
1.3.14.1! misho    4533:           utf8_printf(stderr, "ambiguous option name: \"%s\"\n", azArg[1]);
1.2       misho    4534:           testctrl = -1;
                   4535:           break;
                   4536:         }
                   4537:       }
                   4538:     }
1.3.14.1! misho    4539:     if( testctrl<0 ) testctrl = (int)integerValue(azArg[1]);
1.2       misho    4540:     if( (testctrl<SQLITE_TESTCTRL_FIRST) || (testctrl>SQLITE_TESTCTRL_LAST) ){
1.3.14.1! misho    4541:       utf8_printf(stderr,"Error: invalid testctrl option: %s\n", azArg[1]);
1.2       misho    4542:     }else{
                   4543:       switch(testctrl){
                   4544: 
                   4545:         /* sqlite3_test_control(int, db, int) */
                   4546:         case SQLITE_TESTCTRL_OPTIMIZATIONS:
1.3.14.1! misho    4547:         case SQLITE_TESTCTRL_RESERVE:
1.2       misho    4548:           if( nArg==3 ){
1.3.14.1! misho    4549:             int opt = (int)strtol(azArg[2], 0, 0);
        !          4550:             rc2 = sqlite3_test_control(testctrl, p->db, opt);
        !          4551:             raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
1.2       misho    4552:           } else {
1.3.14.1! misho    4553:             utf8_printf(stderr,"Error: testctrl %s takes a single int option\n",
1.2       misho    4554:                     azArg[1]);
                   4555:           }
                   4556:           break;
                   4557: 
                   4558:         /* sqlite3_test_control(int) */
1.3.14.1! misho    4559:         case SQLITE_TESTCTRL_PRNG_SAVE:
        !          4560:         case SQLITE_TESTCTRL_PRNG_RESTORE:
1.2       misho    4561:         case SQLITE_TESTCTRL_PRNG_RESET:
1.3.14.1! misho    4562:         case SQLITE_TESTCTRL_BYTEORDER:
1.2       misho    4563:           if( nArg==2 ){
1.3.14.1! misho    4564:             rc2 = sqlite3_test_control(testctrl);
        !          4565:             raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
1.2       misho    4566:           } else {
1.3.14.1! misho    4567:             utf8_printf(stderr,"Error: testctrl %s takes no options\n",
        !          4568:                         azArg[1]);
1.2       misho    4569:           }
                   4570:           break;
                   4571: 
                   4572:         /* sqlite3_test_control(int, uint) */
1.3.14.1! misho    4573:         case SQLITE_TESTCTRL_PENDING_BYTE:
1.2       misho    4574:           if( nArg==3 ){
1.3.14.1! misho    4575:             unsigned int opt = (unsigned int)integerValue(azArg[2]);
        !          4576:             rc2 = sqlite3_test_control(testctrl, opt);
        !          4577:             raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
1.2       misho    4578:           } else {
1.3.14.1! misho    4579:             utf8_printf(stderr,"Error: testctrl %s takes a single unsigned"
1.2       misho    4580:                            " int option\n", azArg[1]);
                   4581:           }
                   4582:           break;
1.3.14.1! misho    4583: 
1.2       misho    4584:         /* sqlite3_test_control(int, int) */
1.3.14.1! misho    4585:         case SQLITE_TESTCTRL_ASSERT:
        !          4586:         case SQLITE_TESTCTRL_ALWAYS:
        !          4587:         case SQLITE_TESTCTRL_NEVER_CORRUPT:
1.2       misho    4588:           if( nArg==3 ){
1.3.14.1! misho    4589:             int opt = booleanValue(azArg[2]);
        !          4590:             rc2 = sqlite3_test_control(testctrl, opt);
        !          4591:             raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
1.2       misho    4592:           } else {
1.3.14.1! misho    4593:             utf8_printf(stderr,"Error: testctrl %s takes a single int option\n",
1.2       misho    4594:                             azArg[1]);
                   4595:           }
                   4596:           break;
                   4597: 
                   4598:         /* sqlite3_test_control(int, char *) */
                   4599: #ifdef SQLITE_N_KEYWORD
1.3.14.1! misho    4600:         case SQLITE_TESTCTRL_ISKEYWORD:
1.2       misho    4601:           if( nArg==3 ){
1.3.14.1! misho    4602:             const char *opt = azArg[2];
        !          4603:             rc2 = sqlite3_test_control(testctrl, opt);
        !          4604:             raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
1.2       misho    4605:           } else {
1.3.14.1! misho    4606:             utf8_printf(stderr,
        !          4607:                         "Error: testctrl %s takes a single char * option\n",
        !          4608:                         azArg[1]);
1.2       misho    4609:           }
                   4610:           break;
                   4611: #endif
                   4612: 
1.3.14.1! misho    4613:         case SQLITE_TESTCTRL_IMPOSTER:
        !          4614:           if( nArg==5 ){
        !          4615:             rc2 = sqlite3_test_control(testctrl, p->db,
        !          4616:                           azArg[2],
        !          4617:                           integerValue(azArg[3]),
        !          4618:                           integerValue(azArg[4]));
        !          4619:             raw_printf(p->out, "%d (0x%08x)\n", rc2, rc2);
        !          4620:           }else{
        !          4621:             raw_printf(stderr,"Usage: .testctrl imposter dbName onoff tnum\n");
        !          4622:           }
        !          4623:           break;
        !          4624: 
        !          4625:         case SQLITE_TESTCTRL_BITVEC_TEST:
        !          4626:         case SQLITE_TESTCTRL_FAULT_INSTALL:
        !          4627:         case SQLITE_TESTCTRL_BENIGN_MALLOC_HOOKS:
        !          4628:         case SQLITE_TESTCTRL_SCRATCHMALLOC:
1.2       misho    4629:         default:
1.3.14.1! misho    4630:           utf8_printf(stderr,
        !          4631:                       "Error: CLI support for testctrl %s not implemented\n",
        !          4632:                       azArg[1]);
1.2       misho    4633:           break;
                   4634:       }
                   4635:     }
                   4636:   }else
                   4637: 
1.3.14.1! misho    4638:   if( c=='t' && n>4 && strncmp(azArg[0], "timeout", n)==0 ){
        !          4639:     open_db(p, 0);
        !          4640:     sqlite3_busy_timeout(p->db, nArg>=2 ? (int)integerValue(azArg[1]) : 0);
1.2       misho    4641:   }else
1.3.14.1! misho    4642: 
        !          4643:   if( c=='t' && n>=5 && strncmp(azArg[0], "timer", n)==0 ){
        !          4644:     if( nArg==2 ){
        !          4645:       enableTimer = booleanValue(azArg[1]);
        !          4646:       if( enableTimer && !HAS_TIMER ){
        !          4647:         raw_printf(stderr, "Error: timer not available on this system.\n");
        !          4648:         enableTimer = 0;
        !          4649:       }
        !          4650:     }else{
        !          4651:       raw_printf(stderr, "Usage: .timer on|off\n");
        !          4652:       rc = 1;
        !          4653:     }
        !          4654:   }else
        !          4655: 
        !          4656:   if( c=='t' && strncmp(azArg[0], "trace", n)==0 ){
        !          4657:     open_db(p, 0);
        !          4658:     if( nArg!=2 ){
        !          4659:       raw_printf(stderr, "Usage: .trace FILE|off\n");
        !          4660:       rc = 1;
        !          4661:       goto meta_command_exit;
        !          4662:     }
1.3       misho    4663:     output_file_close(p->traceOut);
                   4664:     p->traceOut = output_file_open(azArg[1]);
                   4665: #if !defined(SQLITE_OMIT_TRACE) && !defined(SQLITE_OMIT_FLOATING_POINT)
                   4666:     if( p->traceOut==0 ){
1.3.14.1! misho    4667:       sqlite3_trace_v2(p->db, 0, 0, 0);
1.3       misho    4668:     }else{
1.3.14.1! misho    4669:       sqlite3_trace_v2(p->db, SQLITE_TRACE_STMT, sql_trace_callback,p->traceOut);
1.3       misho    4670:     }
                   4671: #endif
                   4672:   }else
                   4673: 
1.3.14.1! misho    4674: #if SQLITE_USER_AUTHENTICATION
        !          4675:   if( c=='u' && strncmp(azArg[0], "user", n)==0 ){
        !          4676:     if( nArg<2 ){
        !          4677:       raw_printf(stderr, "Usage: .user SUBCOMMAND ...\n");
        !          4678:       rc = 1;
        !          4679:       goto meta_command_exit;
        !          4680:     }
        !          4681:     open_db(p, 0);
        !          4682:     if( strcmp(azArg[1],"login")==0 ){
        !          4683:       if( nArg!=4 ){
        !          4684:         raw_printf(stderr, "Usage: .user login USER PASSWORD\n");
        !          4685:         rc = 1;
        !          4686:         goto meta_command_exit;
        !          4687:       }
        !          4688:       rc = sqlite3_user_authenticate(p->db, azArg[2], azArg[3],
        !          4689:                                     (int)strlen(azArg[3]));
        !          4690:       if( rc ){
        !          4691:         utf8_printf(stderr, "Authentication failed for user %s\n", azArg[2]);
        !          4692:         rc = 1;
        !          4693:       }
        !          4694:     }else if( strcmp(azArg[1],"add")==0 ){
        !          4695:       if( nArg!=5 ){
        !          4696:         raw_printf(stderr, "Usage: .user add USER PASSWORD ISADMIN\n");
        !          4697:         rc = 1;
        !          4698:         goto meta_command_exit;
        !          4699:       }
        !          4700:       rc = sqlite3_user_add(p->db, azArg[2],
        !          4701:                             azArg[3], (int)strlen(azArg[3]),
        !          4702:                             booleanValue(azArg[4]));
        !          4703:       if( rc ){
        !          4704:         raw_printf(stderr, "User-Add failed: %d\n", rc);
        !          4705:         rc = 1;
        !          4706:       }
        !          4707:     }else if( strcmp(azArg[1],"edit")==0 ){
        !          4708:       if( nArg!=5 ){
        !          4709:         raw_printf(stderr, "Usage: .user edit USER PASSWORD ISADMIN\n");
        !          4710:         rc = 1;
        !          4711:         goto meta_command_exit;
        !          4712:       }
        !          4713:       rc = sqlite3_user_change(p->db, azArg[2],
        !          4714:                               azArg[3], (int)strlen(azArg[3]),
        !          4715:                               booleanValue(azArg[4]));
        !          4716:       if( rc ){
        !          4717:         raw_printf(stderr, "User-Edit failed: %d\n", rc);
        !          4718:         rc = 1;
        !          4719:       }
        !          4720:     }else if( strcmp(azArg[1],"delete")==0 ){
        !          4721:       if( nArg!=3 ){
        !          4722:         raw_printf(stderr, "Usage: .user delete USER\n");
        !          4723:         rc = 1;
        !          4724:         goto meta_command_exit;
        !          4725:       }
        !          4726:       rc = sqlite3_user_delete(p->db, azArg[2]);
        !          4727:       if( rc ){
        !          4728:         raw_printf(stderr, "User-Delete failed: %d\n", rc);
        !          4729:         rc = 1;
        !          4730:       }
        !          4731:     }else{
        !          4732:       raw_printf(stderr, "Usage: .user login|add|edit|delete ...\n");
        !          4733:       rc = 1;
        !          4734:       goto meta_command_exit;
        !          4735:     }
        !          4736:   }else
        !          4737: #endif /* SQLITE_USER_AUTHENTICATION */
        !          4738: 
1.2       misho    4739:   if( c=='v' && strncmp(azArg[0], "version", n)==0 ){
1.3.14.1! misho    4740:     utf8_printf(p->out, "SQLite %s %s\n" /*extra-version-info*/,
1.2       misho    4741:         sqlite3_libversion(), sqlite3_sourceid());
                   4742:   }else
                   4743: 
1.3.14.1! misho    4744:   if( c=='v' && strncmp(azArg[0], "vfsinfo", n)==0 ){
        !          4745:     const char *zDbName = nArg==2 ? azArg[1] : "main";
        !          4746:     sqlite3_vfs *pVfs;
        !          4747:     if( p->db ){
        !          4748:       sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFS_POINTER, &pVfs);
        !          4749:       if( pVfs ){
        !          4750:         utf8_printf(p->out, "vfs.zName      = \"%s\"\n", pVfs->zName);
        !          4751:         raw_printf(p->out, "vfs.iVersion   = %d\n", pVfs->iVersion);
        !          4752:         raw_printf(p->out, "vfs.szOsFile   = %d\n", pVfs->szOsFile);
        !          4753:         raw_printf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname);
        !          4754:       }
        !          4755:     }
        !          4756:   }else
        !          4757: 
        !          4758:   if( c=='v' && strncmp(azArg[0], "vfslist", n)==0 ){
        !          4759:     sqlite3_vfs *pVfs;
        !          4760:     sqlite3_vfs *pCurrent = 0;
        !          4761:     if( p->db ){
        !          4762:       sqlite3_file_control(p->db, "main", SQLITE_FCNTL_VFS_POINTER, &pCurrent);
        !          4763:     }
        !          4764:     for(pVfs=sqlite3_vfs_find(0); pVfs; pVfs=pVfs->pNext){
        !          4765:       utf8_printf(p->out, "vfs.zName      = \"%s\"%s\n", pVfs->zName,
        !          4766:            pVfs==pCurrent ? "  <--- CURRENT" : "");
        !          4767:       raw_printf(p->out, "vfs.iVersion   = %d\n", pVfs->iVersion);
        !          4768:       raw_printf(p->out, "vfs.szOsFile   = %d\n", pVfs->szOsFile);
        !          4769:       raw_printf(p->out, "vfs.mxPathname = %d\n", pVfs->mxPathname);
        !          4770:       if( pVfs->pNext ){
        !          4771:         raw_printf(p->out, "-----------------------------------\n");
        !          4772:       }
        !          4773:     }
        !          4774:   }else
        !          4775: 
1.2       misho    4776:   if( c=='v' && strncmp(azArg[0], "vfsname", n)==0 ){
                   4777:     const char *zDbName = nArg==2 ? azArg[1] : "main";
                   4778:     char *zVfsName = 0;
                   4779:     if( p->db ){
                   4780:       sqlite3_file_control(p->db, zDbName, SQLITE_FCNTL_VFSNAME, &zVfsName);
                   4781:       if( zVfsName ){
1.3.14.1! misho    4782:         utf8_printf(p->out, "%s\n", zVfsName);
1.2       misho    4783:         sqlite3_free(zVfsName);
                   4784:       }
                   4785:     }
                   4786:   }else
                   4787: 
1.3       misho    4788: #if defined(SQLITE_DEBUG) && defined(SQLITE_ENABLE_WHERETRACE)
                   4789:   if( c=='w' && strncmp(azArg[0], "wheretrace", n)==0 ){
1.3.14.1! misho    4790:     sqlite3WhereTrace = nArg>=2 ? booleanValue(azArg[1]) : 0xff;
1.3       misho    4791:   }else
                   4792: #endif
                   4793: 
1.3.14.1! misho    4794:   if( c=='w' && strncmp(azArg[0], "width", n)==0 ){
1.2       misho    4795:     int j;
                   4796:     assert( nArg<=ArraySize(azArg) );
                   4797:     for(j=1; j<nArg && j<ArraySize(p->colWidth); j++){
1.3.14.1! misho    4798:       p->colWidth[j-1] = (int)integerValue(azArg[j]);
1.2       misho    4799:     }
                   4800:   }else
                   4801: 
                   4802:   {
1.3.14.1! misho    4803:     utf8_printf(stderr, "Error: unknown command or invalid arguments: "
1.2       misho    4804:       " \"%s\". Enter \".help\" for help\n", azArg[0]);
                   4805:     rc = 1;
                   4806:   }
                   4807: 
1.3.14.1! misho    4808: meta_command_exit:
        !          4809:   if( p->outCount ){
        !          4810:     p->outCount--;
        !          4811:     if( p->outCount==0 ) output_reset(p);
        !          4812:   }
1.2       misho    4813:   return rc;
                   4814: }
                   4815: 
                   4816: /*
                   4817: ** Return TRUE if a semicolon occurs anywhere in the first N characters
                   4818: ** of string z[].
                   4819: */
1.3.14.1! misho    4820: static int line_contains_semicolon(const char *z, int N){
1.2       misho    4821:   int i;
                   4822:   for(i=0; i<N; i++){  if( z[i]==';' ) return 1; }
                   4823:   return 0;
                   4824: }
                   4825: 
                   4826: /*
                   4827: ** Test to see if a line consists entirely of whitespace.
                   4828: */
                   4829: static int _all_whitespace(const char *z){
                   4830:   for(; *z; z++){
                   4831:     if( IsSpace(z[0]) ) continue;
                   4832:     if( *z=='/' && z[1]=='*' ){
                   4833:       z += 2;
                   4834:       while( *z && (*z!='*' || z[1]!='/') ){ z++; }
                   4835:       if( *z==0 ) return 0;
                   4836:       z++;
                   4837:       continue;
                   4838:     }
                   4839:     if( *z=='-' && z[1]=='-' ){
                   4840:       z += 2;
                   4841:       while( *z && *z!='\n' ){ z++; }
                   4842:       if( *z==0 ) return 1;
                   4843:       continue;
                   4844:     }
                   4845:     return 0;
                   4846:   }
                   4847:   return 1;
                   4848: }
                   4849: 
                   4850: /*
                   4851: ** Return TRUE if the line typed in is an SQL command terminator other
                   4852: ** than a semi-colon.  The SQL Server style "go" command is understood
                   4853: ** as is the Oracle "/".
                   4854: */
1.3.14.1! misho    4855: static int line_is_command_terminator(const char *zLine){
1.2       misho    4856:   while( IsSpace(zLine[0]) ){ zLine++; };
                   4857:   if( zLine[0]=='/' && _all_whitespace(&zLine[1]) ){
                   4858:     return 1;  /* Oracle */
                   4859:   }
                   4860:   if( ToLower(zLine[0])=='g' && ToLower(zLine[1])=='o'
                   4861:          && _all_whitespace(&zLine[2]) ){
                   4862:     return 1;  /* SQL Server */
                   4863:   }
                   4864:   return 0;
                   4865: }
                   4866: 
                   4867: /*
                   4868: ** Return true if zSql is a complete SQL statement.  Return false if it
                   4869: ** ends in the middle of a string literal or C-style comment.
                   4870: */
1.3.14.1! misho    4871: static int line_is_complete(char *zSql, int nSql){
1.2       misho    4872:   int rc;
                   4873:   if( zSql==0 ) return 1;
                   4874:   zSql[nSql] = ';';
                   4875:   zSql[nSql+1] = 0;
                   4876:   rc = sqlite3_complete(zSql);
                   4877:   zSql[nSql] = 0;
                   4878:   return rc;
                   4879: }
                   4880: 
                   4881: /*
                   4882: ** Read input from *in and process it.  If *in==0 then input
                   4883: ** is interactive - the user is typing it it.  Otherwise, input
                   4884: ** is coming from a file or device.  A prompt is issued and history
                   4885: ** is saved only if input is interactive.  An interrupt signal will
                   4886: ** cause this routine to exit immediately, unless input is interactive.
                   4887: **
                   4888: ** Return the number of errors.
                   4889: */
1.3.14.1! misho    4890: static int process_input(ShellState *p, FILE *in){
        !          4891:   char *zLine = 0;          /* A single input line */
        !          4892:   char *zSql = 0;           /* Accumulated SQL text */
        !          4893:   int nLine;                /* Length of current line */
        !          4894:   int nSql = 0;             /* Bytes of zSql[] used */
        !          4895:   int nAlloc = 0;           /* Allocated zSql[] space */
        !          4896:   int nSqlPrior = 0;        /* Bytes of zSql[] used by prior line */
        !          4897:   char *zErrMsg;            /* Error message returned */
        !          4898:   int rc;                   /* Error code */
        !          4899:   int errCnt = 0;           /* Number of errors seen */
        !          4900:   int lineno = 0;           /* Current line number */
        !          4901:   int startline = 0;        /* Line number for start of current input */
1.2       misho    4902: 
                   4903:   while( errCnt==0 || !bail_on_error || (in==0 && stdin_is_interactive) ){
                   4904:     fflush(p->out);
1.3.14.1! misho    4905:     zLine = one_input_line(in, zLine, nSql>0);
1.2       misho    4906:     if( zLine==0 ){
1.3       misho    4907:       /* End of input */
1.3.14.1! misho    4908:       if( in==0 && stdin_is_interactive ) printf("\n");
1.3       misho    4909:       break;
1.2       misho    4910:     }
                   4911:     if( seenInterrupt ){
                   4912:       if( in!=0 ) break;
                   4913:       seenInterrupt = 0;
                   4914:     }
                   4915:     lineno++;
1.3.14.1! misho    4916:     if( nSql==0 && _all_whitespace(zLine) ){
        !          4917:       if( p->echoOn ) printf("%s\n", zLine);
        !          4918:       continue;
        !          4919:     }
1.2       misho    4920:     if( zLine && zLine[0]=='.' && nSql==0 ){
                   4921:       if( p->echoOn ) printf("%s\n", zLine);
                   4922:       rc = do_meta_command(zLine, p);
                   4923:       if( rc==2 ){ /* exit requested */
                   4924:         break;
                   4925:       }else if( rc ){
                   4926:         errCnt++;
                   4927:       }
                   4928:       continue;
                   4929:     }
1.3.14.1! misho    4930:     if( line_is_command_terminator(zLine) && line_is_complete(zSql, nSql) ){
1.2       misho    4931:       memcpy(zLine,";",2);
                   4932:     }
1.3.14.1! misho    4933:     nLine = strlen30(zLine);
        !          4934:     if( nSql+nLine+2>=nAlloc ){
        !          4935:       nAlloc = nSql+nLine+100;
        !          4936:       zSql = realloc(zSql, nAlloc);
        !          4937:       if( zSql==0 ){
        !          4938:         raw_printf(stderr, "Error: out of memory\n");
        !          4939:         exit(1);
        !          4940:       }
        !          4941:     }
1.2       misho    4942:     nSqlPrior = nSql;
1.3.14.1! misho    4943:     if( nSql==0 ){
1.2       misho    4944:       int i;
                   4945:       for(i=0; zLine[i] && IsSpace(zLine[i]); i++){}
1.3.14.1! misho    4946:       assert( nAlloc>0 && zSql!=0 );
        !          4947:       memcpy(zSql, zLine+i, nLine+1-i);
        !          4948:       startline = lineno;
        !          4949:       nSql = nLine-i;
1.2       misho    4950:     }else{
                   4951:       zSql[nSql++] = '\n';
1.3.14.1! misho    4952:       memcpy(zSql+nSql, zLine, nLine+1);
        !          4953:       nSql += nLine;
1.2       misho    4954:     }
1.3.14.1! misho    4955:     if( nSql && line_contains_semicolon(&zSql[nSqlPrior], nSql-nSqlPrior)
1.2       misho    4956:                 && sqlite3_complete(zSql) ){
                   4957:       p->cnt = 0;
1.3.14.1! misho    4958:       open_db(p, 0);
        !          4959:       if( p->backslashOn ) resolve_backslashes(zSql);
1.2       misho    4960:       BEGIN_TIMER;
                   4961:       rc = shell_exec(p->db, zSql, shell_callback, p, &zErrMsg);
                   4962:       END_TIMER;
                   4963:       if( rc || zErrMsg ){
                   4964:         char zPrefix[100];
                   4965:         if( in!=0 || !stdin_is_interactive ){
1.3.14.1! misho    4966:           sqlite3_snprintf(sizeof(zPrefix), zPrefix,
1.2       misho    4967:                            "Error: near line %d:", startline);
                   4968:         }else{
                   4969:           sqlite3_snprintf(sizeof(zPrefix), zPrefix, "Error:");
                   4970:         }
                   4971:         if( zErrMsg!=0 ){
1.3.14.1! misho    4972:           utf8_printf(stderr, "%s %s\n", zPrefix, zErrMsg);
1.2       misho    4973:           sqlite3_free(zErrMsg);
                   4974:           zErrMsg = 0;
                   4975:         }else{
1.3.14.1! misho    4976:           utf8_printf(stderr, "%s %s\n", zPrefix, sqlite3_errmsg(p->db));
1.2       misho    4977:         }
                   4978:         errCnt++;
1.3.14.1! misho    4979:       }else if( p->countChanges ){
        !          4980:         raw_printf(p->out, "changes: %3d   total_changes: %d\n",
        !          4981:                 sqlite3_changes(p->db), sqlite3_total_changes(p->db));
1.2       misho    4982:       }
1.3.14.1! misho    4983:       nSql = 0;
        !          4984:       if( p->outCount ){
        !          4985:         output_reset(p);
        !          4986:         p->outCount = 0;
        !          4987:       }
        !          4988:     }else if( nSql && _all_whitespace(zSql) ){
        !          4989:       if( p->echoOn ) printf("%s\n", zSql);
1.2       misho    4990:       nSql = 0;
                   4991:     }
                   4992:   }
1.3.14.1! misho    4993:   if( nSql ){
1.2       misho    4994:     if( !_all_whitespace(zSql) ){
1.3.14.1! misho    4995:       utf8_printf(stderr, "Error: incomplete SQL: %s\n", zSql);
        !          4996:       errCnt++;
1.2       misho    4997:     }
                   4998:   }
1.3.14.1! misho    4999:   free(zSql);
1.2       misho    5000:   free(zLine);
1.3       misho    5001:   return errCnt>0;
1.2       misho    5002: }
                   5003: 
                   5004: /*
                   5005: ** Return a pathname which is the user's home directory.  A
1.3       misho    5006: ** 0 return indicates an error of some kind.
1.2       misho    5007: */
                   5008: static char *find_home_dir(void){
1.3       misho    5009:   static char *home_dir = NULL;
                   5010:   if( home_dir ) return home_dir;
1.2       misho    5011: 
1.3.14.1! misho    5012: #if !defined(_WIN32) && !defined(WIN32) && !defined(_WIN32_WCE) \
        !          5013:      && !defined(__RTP__) && !defined(_WRS_KERNEL)
1.3       misho    5014:   {
                   5015:     struct passwd *pwent;
                   5016:     uid_t uid = getuid();
                   5017:     if( (pwent=getpwuid(uid)) != NULL) {
                   5018:       home_dir = pwent->pw_dir;
                   5019:     }
1.2       misho    5020:   }
                   5021: #endif
                   5022: 
                   5023: #if defined(_WIN32_WCE)
                   5024:   /* Windows CE (arm-wince-mingw32ce-gcc) does not provide getenv()
                   5025:    */
1.3       misho    5026:   home_dir = "/";
1.2       misho    5027: #else
                   5028: 
1.3       misho    5029: #if defined(_WIN32) || defined(WIN32)
1.2       misho    5030:   if (!home_dir) {
                   5031:     home_dir = getenv("USERPROFILE");
                   5032:   }
                   5033: #endif
                   5034: 
                   5035:   if (!home_dir) {
                   5036:     home_dir = getenv("HOME");
                   5037:   }
                   5038: 
1.3       misho    5039: #if defined(_WIN32) || defined(WIN32)
1.2       misho    5040:   if (!home_dir) {
                   5041:     char *zDrive, *zPath;
                   5042:     int n;
                   5043:     zDrive = getenv("HOMEDRIVE");
                   5044:     zPath = getenv("HOMEPATH");
                   5045:     if( zDrive && zPath ){
                   5046:       n = strlen30(zDrive) + strlen30(zPath) + 1;
                   5047:       home_dir = malloc( n );
                   5048:       if( home_dir==0 ) return 0;
                   5049:       sqlite3_snprintf(n, home_dir, "%s%s", zDrive, zPath);
                   5050:       return home_dir;
                   5051:     }
                   5052:     home_dir = "c:\\";
                   5053:   }
                   5054: #endif
                   5055: 
                   5056: #endif /* !_WIN32_WCE */
                   5057: 
                   5058:   if( home_dir ){
                   5059:     int n = strlen30(home_dir) + 1;
                   5060:     char *z = malloc( n );
                   5061:     if( z ) memcpy(z, home_dir, n);
                   5062:     home_dir = z;
                   5063:   }
                   5064: 
                   5065:   return home_dir;
                   5066: }
                   5067: 
                   5068: /*
                   5069: ** Read input from the file given by sqliterc_override.  Or if that
                   5070: ** parameter is NULL, take input from ~/.sqliterc
                   5071: **
                   5072: ** Returns the number of errors.
                   5073: */
1.3.14.1! misho    5074: static void process_sqliterc(
        !          5075:   ShellState *p,                  /* Configuration data */
1.2       misho    5076:   const char *sqliterc_override   /* Name of config file. NULL to use default */
                   5077: ){
                   5078:   char *home_dir = NULL;
                   5079:   const char *sqliterc = sqliterc_override;
                   5080:   char *zBuf = 0;
                   5081:   FILE *in = NULL;
                   5082: 
                   5083:   if (sqliterc == NULL) {
                   5084:     home_dir = find_home_dir();
                   5085:     if( home_dir==0 ){
1.3.14.1! misho    5086:       raw_printf(stderr, "-- warning: cannot find home directory;"
        !          5087:                       " cannot read ~/.sqliterc\n");
        !          5088:       return;
1.2       misho    5089:     }
1.3       misho    5090:     sqlite3_initialize();
                   5091:     zBuf = sqlite3_mprintf("%s/.sqliterc",home_dir);
                   5092:     sqliterc = zBuf;
1.2       misho    5093:   }
                   5094:   in = fopen(sqliterc,"rb");
                   5095:   if( in ){
                   5096:     if( stdin_is_interactive ){
1.3.14.1! misho    5097:       utf8_printf(stderr,"-- Loading resources from %s\n",sqliterc);
1.2       misho    5098:     }
1.3.14.1! misho    5099:     process_input(p,in);
1.2       misho    5100:     fclose(in);
                   5101:   }
1.3       misho    5102:   sqlite3_free(zBuf);
1.2       misho    5103: }
                   5104: 
                   5105: /*
                   5106: ** Show available command line options
                   5107: */
1.3.14.1! misho    5108: static const char zOptions[] =
        !          5109:   "   -ascii               set output mode to 'ascii'\n"
1.2       misho    5110:   "   -bail                stop after hitting an error\n"
                   5111:   "   -batch               force batch I/O\n"
                   5112:   "   -column              set output mode to 'column'\n"
1.3       misho    5113:   "   -cmd COMMAND         run \"COMMAND\" before reading stdin\n"
1.2       misho    5114:   "   -csv                 set output mode to 'csv'\n"
1.3       misho    5115:   "   -echo                print commands before execution\n"
                   5116:   "   -init FILENAME       read/process named file\n"
                   5117:   "   -[no]header          turn headers on or off\n"
                   5118: #if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
                   5119:   "   -heap SIZE           Size of heap for memsys3 or memsys5\n"
                   5120: #endif
                   5121:   "   -help                show this message\n"
1.2       misho    5122:   "   -html                set output mode to HTML\n"
1.3       misho    5123:   "   -interactive         force interactive I/O\n"
1.2       misho    5124:   "   -line                set output mode to 'line'\n"
                   5125:   "   -list                set output mode to 'list'\n"
1.3.14.1! misho    5126:   "   -lookaside SIZE N    use N entries of SZ bytes for lookaside memory\n"
        !          5127:   "   -mmap N              default mmap size set to N\n"
1.3       misho    5128: #ifdef SQLITE_ENABLE_MULTIPLEX
                   5129:   "   -multiplex           enable the multiplexor VFS\n"
                   5130: #endif
1.3.14.1! misho    5131:   "   -newline SEP         set output row separator. Default: '\\n'\n"
1.3       misho    5132:   "   -nullvalue TEXT      set text string for NULL values. Default ''\n"
1.3.14.1! misho    5133:   "   -pagecache SIZE N    use N slots of SZ bytes each for page cache memory\n"
        !          5134:   "   -scratch SIZE N      use N slots of SZ bytes each for scratch memory\n"
        !          5135:   "   -separator SEP       set output column separator. Default: '|'\n"
1.2       misho    5136:   "   -stats               print memory stats before each finalize\n"
                   5137:   "   -version             show SQLite version\n"
                   5138:   "   -vfs NAME            use NAME as the default VFS\n"
                   5139: #ifdef SQLITE_ENABLE_VFSTRACE
                   5140:   "   -vfstrace            enable tracing of all VFS calls\n"
                   5141: #endif
                   5142: ;
                   5143: static void usage(int showDetail){
1.3.14.1! misho    5144:   utf8_printf(stderr,
        !          5145:       "Usage: %s [OPTIONS] FILENAME [SQL]\n"
1.2       misho    5146:       "FILENAME is the name of an SQLite database. A new database is created\n"
                   5147:       "if the file does not previously exist.\n", Argv0);
                   5148:   if( showDetail ){
1.3.14.1! misho    5149:     utf8_printf(stderr, "OPTIONS include:\n%s", zOptions);
1.2       misho    5150:   }else{
1.3.14.1! misho    5151:     raw_printf(stderr, "Use the -help option for additional information\n");
1.2       misho    5152:   }
                   5153:   exit(1);
                   5154: }
                   5155: 
                   5156: /*
                   5157: ** Initialize the state information in data
                   5158: */
1.3.14.1! misho    5159: static void main_init(ShellState *data) {
1.2       misho    5160:   memset(data, 0, sizeof(*data));
1.3.14.1! misho    5161:   data->normalMode = data->cMode = data->mode = MODE_List;
        !          5162:   data->autoExplain = 1;
        !          5163:   memcpy(data->colSeparator,SEP_Column, 2);
        !          5164:   memcpy(data->rowSeparator,SEP_Row, 2);
1.2       misho    5165:   data->showHeader = 0;
1.3.14.1! misho    5166:   data->shellFlgs = SHFLG_Lookaside;
1.2       misho    5167:   sqlite3_config(SQLITE_CONFIG_URI, 1);
                   5168:   sqlite3_config(SQLITE_CONFIG_LOG, shellLog, data);
1.3.14.1! misho    5169:   sqlite3_config(SQLITE_CONFIG_MULTITHREAD);
1.2       misho    5170:   sqlite3_snprintf(sizeof(mainPrompt), mainPrompt,"sqlite> ");
                   5171:   sqlite3_snprintf(sizeof(continuePrompt), continuePrompt,"   ...> ");
                   5172: }
                   5173: 
1.3       misho    5174: /*
1.3.14.1! misho    5175: ** Output text to the console in a font that attracts extra attention.
        !          5176: */
        !          5177: #ifdef _WIN32
        !          5178: static void printBold(const char *zText){
        !          5179:   HANDLE out = GetStdHandle(STD_OUTPUT_HANDLE);
        !          5180:   CONSOLE_SCREEN_BUFFER_INFO defaultScreenInfo;
        !          5181:   GetConsoleScreenBufferInfo(out, &defaultScreenInfo);
        !          5182:   SetConsoleTextAttribute(out,
        !          5183:          FOREGROUND_RED|FOREGROUND_INTENSITY
        !          5184:   );
        !          5185:   printf("%s", zText);
        !          5186:   SetConsoleTextAttribute(out, defaultScreenInfo.wAttributes);
        !          5187: }
        !          5188: #else
        !          5189: static void printBold(const char *zText){
        !          5190:   printf("\033[1m%s\033[0m", zText);
        !          5191: }
        !          5192: #endif
        !          5193: 
        !          5194: /*
1.3       misho    5195: ** Get the argument to an --option.  Throw an error and die if no argument
                   5196: ** is available.
                   5197: */
                   5198: static char *cmdline_option_value(int argc, char **argv, int i){
                   5199:   if( i==argc ){
1.3.14.1! misho    5200:     utf8_printf(stderr, "%s: Error: missing argument to %s\n",
1.3       misho    5201:             argv[0], argv[argc-1]);
                   5202:     exit(1);
                   5203:   }
                   5204:   return argv[i];
                   5205: }
                   5206: 
1.3.14.1! misho    5207: #ifndef SQLITE_SHELL_IS_UTF8
        !          5208: #  if (defined(_WIN32) || defined(WIN32)) && defined(_MSC_VER)
        !          5209: #    define SQLITE_SHELL_IS_UTF8          (0)
        !          5210: #  else
        !          5211: #    define SQLITE_SHELL_IS_UTF8          (1)
        !          5212: #  endif
        !          5213: #endif
        !          5214: 
        !          5215: #if SQLITE_SHELL_IS_UTF8
        !          5216: int SQLITE_CDECL main(int argc, char **argv){
        !          5217: #else
        !          5218: int SQLITE_CDECL wmain(int argc, wchar_t **wargv){
        !          5219:   char **argv;
        !          5220: #endif
1.2       misho    5221:   char *zErrMsg = 0;
1.3.14.1! misho    5222:   ShellState data;
1.2       misho    5223:   const char *zInitFile = 0;
                   5224:   int i;
                   5225:   int rc = 0;
1.3.14.1! misho    5226:   int warnInmemoryDb = 0;
        !          5227:   int readStdin = 1;
        !          5228:   int nCmd = 0;
        !          5229:   char **azCmd = 0;
        !          5230: 
        !          5231:   setBinaryMode(stdin, 0);
        !          5232:   setvbuf(stderr, 0, _IONBF, 0); /* Make sure stderr is unbuffered */
        !          5233:   stdin_is_interactive = isatty(0);
        !          5234:   stdout_is_console = isatty(1);
1.2       misho    5235: 
1.3.14.1! misho    5236: #if USE_SYSTEM_SQLITE+0!=1
1.2       misho    5237:   if( strcmp(sqlite3_sourceid(),SQLITE_SOURCE_ID)!=0 ){
1.3.14.1! misho    5238:     utf8_printf(stderr, "SQLite header and source version mismatch\n%s\n%s\n",
1.2       misho    5239:             sqlite3_sourceid(), SQLITE_SOURCE_ID);
                   5240:     exit(1);
                   5241:   }
1.3.14.1! misho    5242: #endif
1.2       misho    5243:   main_init(&data);
1.3.14.1! misho    5244: #if !SQLITE_SHELL_IS_UTF8
        !          5245:   sqlite3_initialize();
        !          5246:   argv = sqlite3_malloc64(sizeof(argv[0])*argc);
        !          5247:   if( argv==0 ){
        !          5248:     raw_printf(stderr, "out of memory\n");
        !          5249:     exit(1);
        !          5250:   }
        !          5251:   for(i=0; i<argc; i++){
        !          5252:     argv[i] = sqlite3_win32_unicode_to_utf8(wargv[i]);
        !          5253:     if( argv[i]==0 ){
        !          5254:       raw_printf(stderr, "out of memory\n");
        !          5255:       exit(1);
        !          5256:     }
        !          5257:   }
        !          5258: #endif
        !          5259:   assert( argc>=1 && argv && argv[0] );
        !          5260:   Argv0 = argv[0];
1.2       misho    5261: 
                   5262:   /* Make sure we have a valid signal handler early, before anything
                   5263:   ** else is done.
                   5264:   */
                   5265: #ifdef SIGINT
                   5266:   signal(SIGINT, interrupt_handler);
                   5267: #endif
                   5268: 
1.3.14.1! misho    5269: #ifdef SQLITE_SHELL_DBNAME_PROC
        !          5270:   {
        !          5271:     /* If the SQLITE_SHELL_DBNAME_PROC macro is defined, then it is the name
        !          5272:     ** of a C-function that will provide the name of the database file.  Use
        !          5273:     ** this compile-time option to embed this shell program in larger
        !          5274:     ** applications. */
        !          5275:     extern void SQLITE_SHELL_DBNAME_PROC(const char**);
        !          5276:     SQLITE_SHELL_DBNAME_PROC(&data.zDbFilename);
        !          5277:     warnInmemoryDb = 0;
        !          5278:   }
        !          5279: #endif
        !          5280: 
1.2       misho    5281:   /* Do an initial pass through the command-line argument to locate
                   5282:   ** the name of the database file, the name of the initialization file,
                   5283:   ** the size of the alternative malloc heap,
                   5284:   ** and the first command to execute.
                   5285:   */
1.3       misho    5286:   for(i=1; i<argc; i++){
1.2       misho    5287:     char *z;
                   5288:     z = argv[i];
1.3       misho    5289:     if( z[0]!='-' ){
                   5290:       if( data.zDbFilename==0 ){
                   5291:         data.zDbFilename = z;
1.3.14.1! misho    5292:       }else{
        !          5293:         /* Excesss arguments are interpreted as SQL (or dot-commands) and
        !          5294:         ** mean that nothing is read from stdin */
        !          5295:         readStdin = 0;
        !          5296:         nCmd++;
        !          5297:         azCmd = realloc(azCmd, sizeof(azCmd[0])*nCmd);
        !          5298:         if( azCmd==0 ){
        !          5299:           raw_printf(stderr, "out of memory\n");
        !          5300:           exit(1);
        !          5301:         }
        !          5302:         azCmd[nCmd-1] = z;
1.3       misho    5303:       }
                   5304:     }
                   5305:     if( z[1]=='-' ) z++;
                   5306:     if( strcmp(z,"-separator")==0
                   5307:      || strcmp(z,"-nullvalue")==0
1.3.14.1! misho    5308:      || strcmp(z,"-newline")==0
1.3       misho    5309:      || strcmp(z,"-cmd")==0
                   5310:     ){
                   5311:       (void)cmdline_option_value(argc, argv, ++i);
                   5312:     }else if( strcmp(z,"-init")==0 ){
                   5313:       zInitFile = cmdline_option_value(argc, argv, ++i);
                   5314:     }else if( strcmp(z,"-batch")==0 ){
                   5315:       /* Need to check for batch mode here to so we can avoid printing
1.3.14.1! misho    5316:       ** informational messages (like from process_sqliterc) before
1.3       misho    5317:       ** we do the actual processing of arguments later in a second pass.
                   5318:       */
1.2       misho    5319:       stdin_is_interactive = 0;
1.3       misho    5320:     }else if( strcmp(z,"-heap")==0 ){
1.2       misho    5321: #if defined(SQLITE_ENABLE_MEMSYS3) || defined(SQLITE_ENABLE_MEMSYS5)
                   5322:       const char *zSize;
                   5323:       sqlite3_int64 szHeap;
                   5324: 
1.3       misho    5325:       zSize = cmdline_option_value(argc, argv, ++i);
1.3.14.1! misho    5326:       szHeap = integerValue(zSize);
1.2       misho    5327:       if( szHeap>0x7fff0000 ) szHeap = 0x7fff0000;
                   5328:       sqlite3_config(SQLITE_CONFIG_HEAP, malloc((int)szHeap), (int)szHeap, 64);
1.3.14.1! misho    5329: #else
        !          5330:       (void)cmdline_option_value(argc, argv, ++i);
1.2       misho    5331: #endif
1.3.14.1! misho    5332:     }else if( strcmp(z,"-scratch")==0 ){
        !          5333:       int n, sz;
        !          5334:       sz = (int)integerValue(cmdline_option_value(argc,argv,++i));
        !          5335:       if( sz>400000 ) sz = 400000;
        !          5336:       if( sz<2500 ) sz = 2500;
        !          5337:       n = (int)integerValue(cmdline_option_value(argc,argv,++i));
        !          5338:       if( n>10 ) n = 10;
        !          5339:       if( n<1 ) n = 1;
        !          5340:       sqlite3_config(SQLITE_CONFIG_SCRATCH, malloc(n*sz+1), sz, n);
        !          5341:       data.shellFlgs |= SHFLG_Scratch;
        !          5342:     }else if( strcmp(z,"-pagecache")==0 ){
        !          5343:       int n, sz;
        !          5344:       sz = (int)integerValue(cmdline_option_value(argc,argv,++i));
        !          5345:       if( sz>70000 ) sz = 70000;
        !          5346:       if( sz<0 ) sz = 0;
        !          5347:       n = (int)integerValue(cmdline_option_value(argc,argv,++i));
        !          5348:       sqlite3_config(SQLITE_CONFIG_PAGECACHE,
        !          5349:                     (n>0 && sz>0) ? malloc(n*sz) : 0, sz, n);
        !          5350:       data.shellFlgs |= SHFLG_Pagecache;
        !          5351:     }else if( strcmp(z,"-lookaside")==0 ){
        !          5352:       int n, sz;
        !          5353:       sz = (int)integerValue(cmdline_option_value(argc,argv,++i));
        !          5354:       if( sz<0 ) sz = 0;
        !          5355:       n = (int)integerValue(cmdline_option_value(argc,argv,++i));
        !          5356:       if( n<0 ) n = 0;
        !          5357:       sqlite3_config(SQLITE_CONFIG_LOOKASIDE, sz, n);
        !          5358:       if( sz*n==0 ) data.shellFlgs &= ~SHFLG_Lookaside;
1.2       misho    5359: #ifdef SQLITE_ENABLE_VFSTRACE
1.3       misho    5360:     }else if( strcmp(z,"-vfstrace")==0 ){
1.2       misho    5361:       extern int vfstrace_register(
                   5362:          const char *zTraceName,
                   5363:          const char *zOldVfsName,
                   5364:          int (*xOut)(const char*,void*),
                   5365:          void *pOutArg,
                   5366:          int makeDefault
                   5367:       );
                   5368:       vfstrace_register("trace",0,(int(*)(const char*,void*))fputs,stderr,1);
                   5369: #endif
                   5370: #ifdef SQLITE_ENABLE_MULTIPLEX
1.3       misho    5371:     }else if( strcmp(z,"-multiplex")==0 ){
1.2       misho    5372:       extern int sqlite3_multiple_initialize(const char*,int);
                   5373:       sqlite3_multiplex_initialize(0, 1);
                   5374: #endif
1.3.14.1! misho    5375:     }else if( strcmp(z,"-mmap")==0 ){
        !          5376:       sqlite3_int64 sz = integerValue(cmdline_option_value(argc,argv,++i));
        !          5377:       sqlite3_config(SQLITE_CONFIG_MMAP_SIZE, sz, sz);
1.3       misho    5378:     }else if( strcmp(z,"-vfs")==0 ){
                   5379:       sqlite3_vfs *pVfs = sqlite3_vfs_find(cmdline_option_value(argc,argv,++i));
1.2       misho    5380:       if( pVfs ){
                   5381:         sqlite3_vfs_register(pVfs, 1);
                   5382:       }else{
1.3.14.1! misho    5383:         utf8_printf(stderr, "no such VFS: \"%s\"\n", argv[i]);
1.2       misho    5384:         exit(1);
                   5385:       }
                   5386:     }
                   5387:   }
1.3       misho    5388:   if( data.zDbFilename==0 ){
1.2       misho    5389: #ifndef SQLITE_OMIT_MEMORYDB
                   5390:     data.zDbFilename = ":memory:";
1.3.14.1! misho    5391:     warnInmemoryDb = argc==1;
1.2       misho    5392: #else
1.3.14.1! misho    5393:     utf8_printf(stderr,"%s: Error: no database filename specified\n", Argv0);
1.3       misho    5394:     return 1;
1.2       misho    5395: #endif
                   5396:   }
                   5397:   data.out = stdout;
                   5398: 
                   5399:   /* Go ahead and open the database file if it already exists.  If the
                   5400:   ** file does not exist, delay opening it.  This prevents empty database
                   5401:   ** files from being created if a user mistypes the database name argument
                   5402:   ** to the sqlite command-line tool.
                   5403:   */
                   5404:   if( access(data.zDbFilename, 0)==0 ){
1.3.14.1! misho    5405:     open_db(&data, 0);
1.2       misho    5406:   }
                   5407: 
                   5408:   /* Process the initialization file if there is one.  If no -init option
                   5409:   ** is given on the command line, look for a file named ~/.sqliterc and
                   5410:   ** try to process it.
                   5411:   */
1.3.14.1! misho    5412:   process_sqliterc(&data,zInitFile);
1.2       misho    5413: 
                   5414:   /* Make a second pass through the command-line argument and set
                   5415:   ** options.  This second pass is delayed until after the initialization
                   5416:   ** file is processed so that the command-line arguments will override
                   5417:   ** settings in the initialization file.
                   5418:   */
1.3       misho    5419:   for(i=1; i<argc; i++){
1.2       misho    5420:     char *z = argv[i];
1.3       misho    5421:     if( z[0]!='-' ) continue;
1.2       misho    5422:     if( z[1]=='-' ){ z++; }
                   5423:     if( strcmp(z,"-init")==0 ){
                   5424:       i++;
                   5425:     }else if( strcmp(z,"-html")==0 ){
                   5426:       data.mode = MODE_Html;
                   5427:     }else if( strcmp(z,"-list")==0 ){
                   5428:       data.mode = MODE_List;
                   5429:     }else if( strcmp(z,"-line")==0 ){
                   5430:       data.mode = MODE_Line;
                   5431:     }else if( strcmp(z,"-column")==0 ){
                   5432:       data.mode = MODE_Column;
                   5433:     }else if( strcmp(z,"-csv")==0 ){
                   5434:       data.mode = MODE_Csv;
1.3.14.1! misho    5435:       memcpy(data.colSeparator,",",2);
        !          5436:     }else if( strcmp(z,"-ascii")==0 ){
        !          5437:       data.mode = MODE_Ascii;
        !          5438:       sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator,
        !          5439:                        SEP_Unit);
        !          5440:       sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator,
        !          5441:                        SEP_Record);
1.2       misho    5442:     }else if( strcmp(z,"-separator")==0 ){
1.3.14.1! misho    5443:       sqlite3_snprintf(sizeof(data.colSeparator), data.colSeparator,
        !          5444:                        "%s",cmdline_option_value(argc,argv,++i));
        !          5445:     }else if( strcmp(z,"-newline")==0 ){
        !          5446:       sqlite3_snprintf(sizeof(data.rowSeparator), data.rowSeparator,
1.3       misho    5447:                        "%s",cmdline_option_value(argc,argv,++i));
1.2       misho    5448:     }else if( strcmp(z,"-nullvalue")==0 ){
1.3.14.1! misho    5449:       sqlite3_snprintf(sizeof(data.nullValue), data.nullValue,
1.3       misho    5450:                        "%s",cmdline_option_value(argc,argv,++i));
1.2       misho    5451:     }else if( strcmp(z,"-header")==0 ){
                   5452:       data.showHeader = 1;
                   5453:     }else if( strcmp(z,"-noheader")==0 ){
                   5454:       data.showHeader = 0;
                   5455:     }else if( strcmp(z,"-echo")==0 ){
                   5456:       data.echoOn = 1;
1.3.14.1! misho    5457:     }else if( strcmp(z,"-eqp")==0 ){
        !          5458:       data.autoEQP = 1;
        !          5459:     }else if( strcmp(z,"-eqpfull")==0 ){
        !          5460:       data.autoEQP = 2;
1.2       misho    5461:     }else if( strcmp(z,"-stats")==0 ){
                   5462:       data.statsOn = 1;
1.3.14.1! misho    5463:     }else if( strcmp(z,"-scanstats")==0 ){
        !          5464:       data.scanstatsOn = 1;
        !          5465:     }else if( strcmp(z,"-backslash")==0 ){
        !          5466:       /* Undocumented command-line option: -backslash
        !          5467:       ** Causes C-style backslash escapes to be evaluated in SQL statements
        !          5468:       ** prior to sending the SQL into SQLite.  Useful for injecting
        !          5469:       ** crazy bytes in the middle of SQL statements for testing and debugging.
        !          5470:       */
        !          5471:       data.backslashOn = 1;
1.2       misho    5472:     }else if( strcmp(z,"-bail")==0 ){
                   5473:       bail_on_error = 1;
                   5474:     }else if( strcmp(z,"-version")==0 ){
                   5475:       printf("%s %s\n", sqlite3_libversion(), sqlite3_sourceid());
                   5476:       return 0;
                   5477:     }else if( strcmp(z,"-interactive")==0 ){
                   5478:       stdin_is_interactive = 1;
                   5479:     }else if( strcmp(z,"-batch")==0 ){
                   5480:       stdin_is_interactive = 0;
                   5481:     }else if( strcmp(z,"-heap")==0 ){
                   5482:       i++;
1.3.14.1! misho    5483:     }else if( strcmp(z,"-scratch")==0 ){
        !          5484:       i+=2;
        !          5485:     }else if( strcmp(z,"-pagecache")==0 ){
        !          5486:       i+=2;
        !          5487:     }else if( strcmp(z,"-lookaside")==0 ){
        !          5488:       i+=2;
        !          5489:     }else if( strcmp(z,"-mmap")==0 ){
        !          5490:       i++;
1.2       misho    5491:     }else if( strcmp(z,"-vfs")==0 ){
                   5492:       i++;
                   5493: #ifdef SQLITE_ENABLE_VFSTRACE
                   5494:     }else if( strcmp(z,"-vfstrace")==0 ){
                   5495:       i++;
                   5496: #endif
                   5497: #ifdef SQLITE_ENABLE_MULTIPLEX
                   5498:     }else if( strcmp(z,"-multiplex")==0 ){
                   5499:       i++;
                   5500: #endif
1.3       misho    5501:     }else if( strcmp(z,"-help")==0 ){
1.2       misho    5502:       usage(1);
1.3       misho    5503:     }else if( strcmp(z,"-cmd")==0 ){
1.3.14.1! misho    5504:       /* Run commands that follow -cmd first and separately from commands
        !          5505:       ** that simply appear on the command-line.  This seems goofy.  It would
        !          5506:       ** be better if all commands ran in the order that they appear.  But
        !          5507:       ** we retain the goofy behavior for historical compatibility. */
1.3       misho    5508:       if( i==argc-1 ) break;
                   5509:       z = cmdline_option_value(argc,argv,++i);
                   5510:       if( z[0]=='.' ){
                   5511:         rc = do_meta_command(z, &data);
1.3.14.1! misho    5512:         if( rc && bail_on_error ) return rc==2 ? 0 : rc;
1.3       misho    5513:       }else{
1.3.14.1! misho    5514:         open_db(&data, 0);
1.3       misho    5515:         rc = shell_exec(data.db, z, shell_callback, &data, &zErrMsg);
                   5516:         if( zErrMsg!=0 ){
1.3.14.1! misho    5517:           utf8_printf(stderr,"Error: %s\n", zErrMsg);
1.3       misho    5518:           if( bail_on_error ) return rc!=0 ? rc : 1;
                   5519:         }else if( rc!=0 ){
1.3.14.1! misho    5520:           utf8_printf(stderr,"Error: unable to process SQL \"%s\"\n", z);
1.3       misho    5521:           if( bail_on_error ) return rc;
                   5522:         }
                   5523:       }
1.2       misho    5524:     }else{
1.3.14.1! misho    5525:       utf8_printf(stderr,"%s: Error: unknown option: %s\n", Argv0, z);
        !          5526:       raw_printf(stderr,"Use -help for a list of options.\n");
1.2       misho    5527:       return 1;
                   5528:     }
1.3.14.1! misho    5529:     data.cMode = data.mode;
1.2       misho    5530:   }
                   5531: 
1.3.14.1! misho    5532:   if( !readStdin ){
        !          5533:     /* Run all arguments that do not begin with '-' as if they were separate
        !          5534:     ** command-line inputs, except for the argToSkip argument which contains
        !          5535:     ** the database filename.
1.2       misho    5536:     */
1.3.14.1! misho    5537:     for(i=0; i<nCmd; i++){
        !          5538:       if( azCmd[i][0]=='.' ){
        !          5539:         rc = do_meta_command(azCmd[i], &data);
        !          5540:         if( rc ) return rc==2 ? 0 : rc;
        !          5541:       }else{
        !          5542:         open_db(&data, 0);
        !          5543:         rc = shell_exec(data.db, azCmd[i], shell_callback, &data, &zErrMsg);
        !          5544:         if( zErrMsg!=0 ){
        !          5545:           utf8_printf(stderr,"Error: %s\n", zErrMsg);
        !          5546:           return rc!=0 ? rc : 1;
        !          5547:         }else if( rc!=0 ){
        !          5548:           utf8_printf(stderr,"Error: unable to process SQL: %s\n", azCmd[i]);
        !          5549:           return rc;
        !          5550:         }
1.2       misho    5551:       }
                   5552:     }
1.3.14.1! misho    5553:     free(azCmd);
1.2       misho    5554:   }else{
                   5555:     /* Run commands received from standard input
                   5556:     */
                   5557:     if( stdin_is_interactive ){
                   5558:       char *zHome;
                   5559:       char *zHistory = 0;
                   5560:       int nHistory;
                   5561:       printf(
                   5562:         "SQLite version %s %.19s\n" /*extra-version-info*/
1.3.14.1! misho    5563:         "Enter \".help\" for usage hints.\n",
1.2       misho    5564:         sqlite3_libversion(), sqlite3_sourceid()
                   5565:       );
1.3.14.1! misho    5566:       if( warnInmemoryDb ){
        !          5567:         printf("Connected to a ");
        !          5568:         printBold("transient in-memory database");
        !          5569:         printf(".\nUse \".open FILENAME\" to reopen on a "
        !          5570:                "persistent database.\n");
        !          5571:       }
1.2       misho    5572:       zHome = find_home_dir();
                   5573:       if( zHome ){
                   5574:         nHistory = strlen30(zHome) + 20;
                   5575:         if( (zHistory = malloc(nHistory))!=0 ){
                   5576:           sqlite3_snprintf(nHistory, zHistory,"%s/.sqlite_history", zHome);
                   5577:         }
                   5578:       }
1.3.14.1! misho    5579:       if( zHistory ){ shell_read_history(zHistory); }
1.2       misho    5580:       rc = process_input(&data, 0);
                   5581:       if( zHistory ){
1.3.14.1! misho    5582:         shell_stifle_history(100);
        !          5583:         shell_write_history(zHistory);
1.2       misho    5584:         free(zHistory);
                   5585:       }
                   5586:     }else{
                   5587:       rc = process_input(&data, stdin);
                   5588:     }
                   5589:   }
                   5590:   set_table_name(&data, 0);
                   5591:   if( data.db ){
1.3.14.1! misho    5592:     session_close_all(&data);
1.2       misho    5593:     sqlite3_close(data.db);
                   5594:   }
1.3.14.1! misho    5595:   sqlite3_free(data.zFreeOnClose);
        !          5596: #if !SQLITE_SHELL_IS_UTF8
        !          5597:   for(i=0; i<argc; i++) sqlite3_free(argv[i]);
        !          5598:   sqlite3_free(argv);
        !          5599: #endif
1.2       misho    5600:   return rc;
                   5601: }

FreeBSD-CVSweb <freebsd-cvsweb@FreeBSD.org>