File:  [ELWIX - Embedded LightWeight unIX -] / embedaddon / sqlite3 / test / memdb.test
Revision 1.1.1.1 (vendor branch): download - view: text, annotated - select for diffs - revision graph
Tue Feb 21 17:04:16 2012 UTC (12 years, 4 months ago) by misho
Branches: sqlite3, MAIN
CVS tags: v3_7_10, HEAD
sqlite3

    1: # 2001 September 15
    2: #
    3: # The author disclaims copyright to this source code.  In place of
    4: # a legal notice, here is a blessing:
    5: #
    6: #    May you do good and not evil.
    7: #    May you find forgiveness for yourself and forgive others.
    8: #    May you share freely, never taking more than you give.
    9: #
   10: #***********************************************************************
   11: # This file implements regression tests for SQLite library.  The
   12: # focus of this script is in-memory database backend.
   13: #
   14: # $Id: memdb.test,v 1.1.1.1 2012/02/21 17:04:16 misho Exp $
   15: 
   16: 
   17: set testdir [file dirname $argv0]
   18: source $testdir/tester.tcl
   19: 
   20: ifcapable memorydb {
   21: 
   22: # In the following sequence of tests, compute the MD5 sum of the content
   23: # of a table, make lots of modifications to that table, then do a rollback.
   24: # Verify that after the rollback, the MD5 checksum is unchanged.
   25: #
   26: # These tests were browed from trans.tcl.
   27: #
   28: do_test memdb-1.1 {
   29:   db close
   30:   sqlite3 db :memory:
   31:   # sqlite3 db test.db
   32:   execsql {
   33:     BEGIN;
   34:     CREATE TABLE t3(x TEXT);
   35:     INSERT INTO t3 VALUES(randstr(10,400));
   36:     INSERT INTO t3 VALUES(randstr(10,400));
   37:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   38:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   39:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   40:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   41:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   42:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   43:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   44:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   45:     INSERT INTO t3 SELECT randstr(10,400) FROM t3;
   46:     COMMIT;
   47:     SELECT count(*) FROM t3;
   48:   }
   49: } {1024}
   50: 
   51: # The following procedure computes a "signature" for table "t3".  If
   52: # T3 changes in any way, the signature should change.  
   53: #
   54: # This is used to test ROLLBACK.  We gather a signature for t3, then
   55: # make lots of changes to t3, then rollback and take another signature.
   56: # The two signatures should be the same.
   57: #
   58: proc signature {{fn {}}} {
   59:   set rx [db eval {SELECT x FROM t3}]
   60:   # set r1 [md5 $rx\n]
   61:   if {$fn!=""} {
   62:     # set fd [open $fn w]
   63:     # puts $fd $rx
   64:     # close $fd
   65:   }
   66:   # set r [db eval {SELECT count(*), md5sum(x) FROM t3}]
   67:   # puts "SIG($fn)=$r1"
   68:   return [list [string length $rx] $rx]
   69: }
   70: 
   71: # Do rollbacks.  Make sure the signature does not change.
   72: #
   73: set limit 10
   74: for {set i 2} {$i<=$limit} {incr i} {
   75:   set ::sig [signature one]
   76:   # puts "sig=$sig"
   77:   set cnt [lindex $::sig 0]
   78:   if {$i%2==0} {
   79:     execsql {PRAGMA synchronous=FULL}
   80:   } else {
   81:     execsql {PRAGMA synchronous=NORMAL}
   82:   }
   83:   do_test memdb-1.$i.1-$cnt {
   84:      execsql {
   85:        BEGIN;
   86:        DELETE FROM t3 WHERE random()%10!=0;
   87:        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
   88:        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
   89:        ROLLBACK;
   90:      }
   91:      set sig2 [signature two]
   92:   } $sig
   93:   # puts "sig2=$sig2"
   94:   # if {$sig2!=$sig} exit
   95:   do_test memdb-1.$i.2-$cnt {
   96:      execsql {
   97:        BEGIN;
   98:        DELETE FROM t3 WHERE random()%10!=0;
   99:        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
  100:        DELETE FROM t3 WHERE random()%10!=0;
  101:        INSERT INTO t3 SELECT randstr(10,10)||x FROM t3;
  102:        ROLLBACK;
  103:      }
  104:      signature
  105:   } $sig
  106:   if {$i<$limit} {
  107:     do_test memdb-1.$i.9-$cnt {
  108:        execsql {
  109:          INSERT INTO t3 SELECT randstr(10,400) FROM t3 WHERE random()%10==0;
  110:        }
  111:     } {}
  112:   }
  113:   set ::pager_old_format 0
  114: }
  115: 
  116: integrity_check memdb-2.1
  117: 
  118: do_test memdb-3.1 {
  119:   execsql {
  120:     CREATE TABLE t4(a,b,c,d);
  121:     BEGIN;
  122:     INSERT INTO t4 VALUES(1,2,3,4);
  123:     SELECT * FROM t4;
  124:   }
  125: } {1 2 3 4}
  126: do_test memdb-3.2 {
  127:   execsql {
  128:     SELECT name FROM sqlite_master WHERE type='table';
  129:   }
  130: } {t3 t4}
  131: do_test memdb-3.3 {
  132:   execsql {
  133:     DROP TABLE t4;
  134:     SELECT name FROM sqlite_master WHERE type='table';
  135:   }
  136: } {t3}
  137: do_test memdb-3.4 {
  138:   execsql {
  139:     ROLLBACK;
  140:     SELECT name FROM sqlite_master WHERE type='table';
  141:   }
  142: } {t3 t4}
  143: 
  144: # Create tables for the first group of tests.
  145: #
  146: do_test memdb-4.0 {
  147:   execsql {
  148:     CREATE TABLE t1(a, b, c, UNIQUE(a,b));
  149:     CREATE TABLE t2(x);
  150:     SELECT c FROM t1 ORDER BY c;
  151:   }
  152: } {}
  153: 
  154: # Six columns of configuration data as follows:
  155: #
  156: #   i      The reference number of the test
  157: #   conf   The conflict resolution algorithm on the BEGIN statement
  158: #   cmd    An INSERT or REPLACE command to execute against table t1
  159: #   t0     True if there is an error from $cmd
  160: #   t1     Content of "c" column of t1 assuming no error in $cmd
  161: #   t2     Content of "x" column of t2
  162: #
  163: foreach {i conf cmd t0 t1 t2} {
  164:   1 {}       INSERT                  1 {}  1
  165:   2 {}       {INSERT OR IGNORE}      0 3   1
  166:   3 {}       {INSERT OR REPLACE}     0 4   1
  167:   4 {}       REPLACE                 0 4   1
  168:   5 {}       {INSERT OR FAIL}        1 {}  1
  169:   6 {}       {INSERT OR ABORT}       1 {}  1
  170:   7 {}       {INSERT OR ROLLBACK}    1 {}  {}
  171: } {
  172: 
  173:   # All tests after test 1 depend on conflict resolution. So end the
  174:   # loop if that is not available in this build.
  175:   ifcapable !conflict {if {$i>1} break}
  176: 
  177:   do_test memdb-4.$i {
  178:     if {$conf!=""} {set conf "ON CONFLICT $conf"}
  179:     set r0 [catch {execsql [subst {
  180:       DELETE FROM t1;
  181:       DELETE FROM t2;
  182:       INSERT INTO t1 VALUES(1,2,3);
  183:       BEGIN $conf;
  184:       INSERT INTO t2 VALUES(1); 
  185:       $cmd INTO t1 VALUES(1,2,4);
  186:     }]} r1]
  187:     catch {execsql {COMMIT}}
  188:     if {$r0} {set r1 {}} {set r1 [execsql {SELECT c FROM t1}]}
  189:     set r2 [execsql {SELECT x FROM t2}]
  190:     list $r0 $r1 $r2
  191:   } [list $t0 $t1 $t2]
  192: }
  193: 
  194: do_test memdb-5.0 {
  195:   execsql {
  196:     DROP TABLE t2;
  197:     DROP TABLE t3;
  198:     CREATE TABLE t2(a,b,c);
  199:     INSERT INTO t2 VALUES(1,2,1);
  200:     INSERT INTO t2 VALUES(2,3,2);
  201:     INSERT INTO t2 VALUES(3,4,1);
  202:     INSERT INTO t2 VALUES(4,5,4);
  203:     SELECT c FROM t2 ORDER BY b;
  204:     CREATE TABLE t3(x);
  205:     INSERT INTO t3 VALUES(1);
  206:   }
  207: } {1 2 1 4}
  208: 
  209: # Six columns of configuration data as follows:
  210: #
  211: #   i      The reference number of the test
  212: #   conf1  The conflict resolution algorithm on the UNIQUE constraint
  213: #   conf2  The conflict resolution algorithm on the BEGIN statement
  214: #   cmd    An UPDATE command to execute against table t1
  215: #   t0     True if there is an error from $cmd
  216: #   t1     Content of "b" column of t1 assuming no error in $cmd
  217: #   t2     Content of "x" column of t3
  218: #
  219: foreach {i conf1 conf2 cmd t0 t1 t2} {
  220:   1 {}       {}       UPDATE                  1 {6 7 8 9}  1
  221:   2 REPLACE  {}       UPDATE                  0 {7 6 9}    1
  222:   3 IGNORE   {}       UPDATE                  0 {6 7 3 9}  1
  223:   4 FAIL     {}       UPDATE                  1 {6 7 3 4}  1
  224:   5 ABORT    {}       UPDATE                  1 {1 2 3 4}  1
  225:   6 ROLLBACK {}       UPDATE                  1 {1 2 3 4}  0
  226:   7 REPLACE  {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
  227:   8 IGNORE   {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
  228:   9 FAIL     {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
  229:  10 ABORT    {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
  230:  11 ROLLBACK {}       {UPDATE OR IGNORE}      0 {6 7 3 9}   1
  231:  12 {}       {}       {UPDATE OR IGNORE}      0 {6 7 3 9}  1
  232:  13 {}       {}       {UPDATE OR REPLACE}     0 {7 6 9}    1
  233:  14 {}       {}       {UPDATE OR FAIL}        1 {6 7 3 4}  1
  234:  15 {}       {}       {UPDATE OR ABORT}       1 {1 2 3 4}  1
  235:  16 {}       {}       {UPDATE OR ROLLBACK}    1 {1 2 3 4}  0
  236: } {
  237:   # All tests after test 1 depend on conflict resolution. So end the
  238:   # loop if that is not available in this build.
  239:   ifcapable !conflict {
  240:     if {$i>1} break
  241:   }
  242: 
  243:   if {$t0} {set t1 {column a is not unique}}
  244:   do_test memdb-5.$i {
  245:     if {$conf1!=""} {set conf1 "ON CONFLICT $conf1"}
  246:     if {$conf2!=""} {set conf2 "ON CONFLICT $conf2"}
  247:     set r0 [catch {execsql "
  248:       DROP TABLE t1;
  249:       CREATE TABLE t1(a,b,c, UNIQUE(a) $conf1);
  250:       INSERT INTO t1 SELECT * FROM t2;
  251:       UPDATE t3 SET x=0;
  252:       BEGIN $conf2;
  253:       $cmd t3 SET x=1;
  254:       $cmd t1 SET b=b*2;
  255:       $cmd t1 SET a=c+5;
  256:     "} r1]
  257:     catch {execsql {COMMIT}}
  258:     if {!$r0} {set r1 [execsql {SELECT a FROM t1 ORDER BY b}]}
  259:     set r2 [execsql {SELECT x FROM t3}]
  260:     list $r0 $r1 $r2
  261:   } [list $t0 $t1 $t2]
  262: }
  263: 
  264: do_test memdb-6.1 {
  265:   execsql {
  266:     SELECT * FROM t2;
  267:   }
  268: } {1 2 1 2 3 2 3 4 1 4 5 4}
  269: do_test memdb-6.2 {
  270:   execsql {
  271:     BEGIN;
  272:     DROP TABLE t2;
  273:     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
  274:   }
  275: } {t1 t3 t4}
  276: do_test memdb-6.3 {
  277:   execsql {
  278:     ROLLBACK;
  279:     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
  280:   }
  281: } {t1 t2 t3 t4}
  282: do_test memdb-6.4 {
  283:   execsql {
  284:     SELECT * FROM t2;
  285:   }
  286: } {1 2 1 2 3 2 3 4 1 4 5 4}
  287: ifcapable compound {
  288: do_test memdb-6.5 {
  289:   execsql {
  290:     SELECT a FROM t2 UNION SELECT b FROM t2 ORDER BY 1;
  291:   }
  292: } {1 2 3 4 5}
  293: } ;# ifcapable compound 
  294: do_test memdb-6.6 {
  295:   execsql {
  296:     CREATE INDEX i2 ON t2(c);
  297:     SELECT a FROM t2 ORDER BY c;
  298:   }
  299: } {1 3 2 4}
  300: do_test memdb-6.6 {
  301:   execsql {
  302:     SELECT a FROM t2 ORDER BY c DESC;
  303:   }
  304: } {4 2 3 1}
  305: do_test memdb-6.7 {
  306:   execsql {
  307:     BEGIN;
  308:     CREATE TABLE t5(x,y);
  309:     INSERT INTO t5 VALUES(1,2);
  310:     SELECT * FROM t5;
  311:   }
  312: } {1 2}
  313: do_test memdb-6.8 {
  314:   execsql {
  315:     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
  316:   }
  317: } {t1 t2 t3 t4 t5}
  318: do_test memdb-6.9 {
  319:   execsql {
  320:     ROLLBACK;
  321:     SELECT name FROM sqlite_master WHERE type='table' ORDER BY 1;
  322:   }
  323: } {t1 t2 t3 t4}
  324: do_test memdb-6.10 {
  325:   execsql {
  326:     CREATE TABLE t5(x PRIMARY KEY, y UNIQUE);
  327:     SELECT * FROM t5;
  328:   }
  329: } {}
  330: do_test memdb-6.11 {
  331:   execsql {
  332:     SELECT * FROM t5 ORDER BY y DESC;
  333:   }
  334: } {}
  335: 
  336: ifcapable conflict {
  337:   do_test memdb-6.12 {
  338:     execsql {
  339:       INSERT INTO t5 VALUES(1,2);
  340:       INSERT INTO t5 VALUES(3,4);
  341:       REPLACE INTO t5 VALUES(1,4);
  342:       SELECT rowid,* FROM t5;
  343:     }
  344:   } {3 1 4}
  345:   do_test memdb-6.13 {
  346:     execsql {
  347:       DELETE FROM t5 WHERE x>5;
  348:       SELECT * FROM t5;
  349:     }
  350:   } {1 4}
  351:   do_test memdb-6.14 {
  352:     execsql {
  353:       DELETE FROM t5 WHERE y<3;
  354:       SELECT * FROM t5;
  355:     }
  356:   } {1 4}
  357: }
  358: 
  359: do_test memdb-6.15 {
  360:   execsql {
  361:     DELETE FROM t5 WHERE x>0;
  362:     SELECT * FROM t5;
  363:   }
  364: } {}
  365: 
  366: ifcapable subquery&&vtab {
  367:   do_test memdb-7.1 {
  368:     register_wholenumber_module db
  369:     execsql {
  370:       CREATE TABLE t6(x);
  371:       CREATE VIRTUAL TABLE nums USING wholenumber;
  372:       INSERT INTO t6 SELECT value FROM nums WHERE value BETWEEN 1 AND 256;
  373:       SELECT count(*) FROM (SELECT DISTINCT x FROM t6);
  374:     }
  375:   } {256}
  376:   for {set i 1} {$i<=256} {incr i} {
  377:     do_test memdb-7.2.$i {
  378:        execsql "DELETE FROM t6 WHERE x=\
  379:                 (SELECT x FROM t6 ORDER BY random() LIMIT 1)"
  380:        execsql {SELECT count(*) FROM t6}
  381:     } [expr {256-$i}]
  382:   }
  383: }
  384: 
  385: # Ticket #1524
  386: #
  387: do_test memdb-8.1 {
  388:   db close
  389:   sqlite3 db {:memory:}
  390:   execsql {
  391:     PRAGMA auto_vacuum=TRUE;
  392:     CREATE TABLE t1(a);
  393:     INSERT INTO t1 VALUES(randstr(5000,6000));
  394:     INSERT INTO t1 VALUES(randstr(5000,6000));
  395:     INSERT INTO t1 VALUES(randstr(5000,6000));
  396:     INSERT INTO t1 VALUES(randstr(5000,6000));
  397:     INSERT INTO t1 VALUES(randstr(5000,6000));
  398:     SELECT count(*) FROM t1;
  399:   }
  400: } 5
  401: do_test memdb-8.2 {
  402:   execsql {
  403:     DELETE FROM t1;
  404:     SELECT count(*) FROM t1;
  405:   }
  406: } 0
  407: 
  408: # Test that auto-vacuum works with in-memory databases.
  409: # 
  410: ifcapable autovacuum {
  411:   do_test memdb-9.1 {
  412:     db close
  413:     sqlite3 db test.db
  414:     db cache size 0
  415:     execsql {
  416:       PRAGMA auto_vacuum = full;
  417:       CREATE TABLE t1(a);
  418:       INSERT INTO t1 VALUES(randstr(1000,1000));
  419:       INSERT INTO t1 VALUES(randstr(1000,1000));
  420:       INSERT INTO t1 VALUES(randstr(1000,1000));
  421:     }
  422:     set memused [lindex [sqlite3_status SQLITE_STATUS_MEMORY_USED 0] 1]
  423:     set pgovfl [lindex [sqlite3_status SQLITE_STATUS_PAGECACHE_OVERFLOW 0] 1]
  424:     execsql { DELETE FROM t1 }
  425:     set memused2 [lindex [sqlite3_status SQLITE_STATUS_MEMORY_USED 0] 1]
  426:     expr {($memused2 + 2048 < $memused) || $pgovfl==0}
  427:   } {1}
  428: }
  429: 
  430: } ;# ifcapable memorydb
  431: 
  432: finish_test

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