Annotation of embedaddon/php/ext/pdo_firebird/firebird_statement.c, revision 1.1.1.1
1.1 misho 1: /*
2: +----------------------------------------------------------------------+
3: | PHP Version 5 |
4: +----------------------------------------------------------------------+
5: | Copyright (c) 1997-2012 The PHP Group |
6: +----------------------------------------------------------------------+
7: | This source file is subject to version 3.01 of the PHP license, |
8: | that is bundled with this package in the file LICENSE, and is |
9: | available through the world-wide-web at the following url: |
10: | http://www.php.net/license/3_01.txt |
11: | If you did not receive a copy of the PHP license and are unable to |
12: | obtain it through the world-wide-web, please send a note to |
13: | license@php.net so we can mail you a copy immediately. |
14: +----------------------------------------------------------------------+
15: | Author: Ard Biesheuvel <abies@php.net> |
16: +----------------------------------------------------------------------+
17: */
18:
19: /* $Id: firebird_statement.c 321634 2012-01-01 13:15:04Z felipe $ */
20:
21: #ifdef HAVE_CONFIG_H
22: #include "config.h"
23: #endif
24:
25: #include "php.h"
26: #include "php_ini.h"
27: #include "ext/standard/info.h"
28: #include "pdo/php_pdo.h"
29: #include "pdo/php_pdo_driver.h"
30: #include "php_pdo_firebird.h"
31: #include "php_pdo_firebird_int.h"
32:
33: #include <time.h>
34:
35: #define RECORD_ERROR(stmt) _firebird_error(NULL, stmt, __FILE__, __LINE__ TSRMLS_CC)
36:
37: /* free the allocated space for passing field values to the db and back */
38: static void free_sqlda(XSQLDA const *sqlda) /* {{{ */
39: {
40: int i;
41:
42: for (i = 0; i < sqlda->sqld; ++i) {
43: XSQLVAR const *var = &sqlda->sqlvar[i];
44:
45: if (var->sqlind) {
46: efree(var->sqlind);
47: }
48: }
49: }
50: /* }}} */
51:
52: /* called by PDO to clean up a statement handle */
53: static int firebird_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
54: {
55: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
56: int result = 1, i;
57:
58: /* release the statement */
59: if (isc_dsql_free_statement(S->H->isc_status, &S->stmt, DSQL_drop)) {
60: RECORD_ERROR(stmt);
61: result = 0;
62: }
63:
64: /* clean up the fetch buffers if they have been used */
65: for (i = 0; i < S->out_sqlda.sqld; ++i) {
66: if (S->fetch_buf[i]) {
67: efree(S->fetch_buf[i]);
68: }
69: }
70: efree(S->fetch_buf);
71:
72: zend_hash_destroy(S->named_params);
73: FREE_HASHTABLE(S->named_params);
74:
75: /* clean up the input descriptor */
76: if (S->in_sqlda) {
77: free_sqlda(S->in_sqlda);
78: efree(S->in_sqlda);
79: }
80:
81: free_sqlda(&S->out_sqlda);
82: efree(S);
83:
84: return result;
85: }
86: /* }}} */
87:
88: /* called by PDO to execute a prepared query */
89: static int firebird_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
90: {
91: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
92: pdo_firebird_db_handle *H = S->H;
93: unsigned long affected_rows = 0;
94: static char info_count[] = {isc_info_sql_records};
95: char result[64];
96:
97: do {
98: /* named or open cursors should be closed first */
99: if ((*S->name || S->cursor_open) && isc_dsql_free_statement(H->isc_status, &S->stmt, DSQL_close)) {
100: break;
101: }
102: S->cursor_open = 0;
103: /* assume all params have been bound */
104:
105: if (isc_dsql_execute(H->isc_status, &H->tr, &S->stmt, PDO_FB_SQLDA_VERSION, S->in_sqlda)) {
106: break;
107: }
108:
109: /* Determine how many rows have changed. In this case we are
110: * only interested in rows changed, not rows retrieved. That
111: * should be handled by the client when fetching. */
112: stmt->row_count = affected_rows;
113:
114: switch (S->statement_type) {
115: case isc_info_sql_stmt_insert:
116: case isc_info_sql_stmt_update:
117: case isc_info_sql_stmt_delete:
118: case isc_info_sql_stmt_exec_procedure:
119: if (isc_dsql_sql_info(H->isc_status, &S->stmt, sizeof ( info_count),
120: info_count, sizeof(result), result)) {
121: break;
122: }
123: if (result[0] == isc_info_sql_records) {
124: unsigned i = 3, result_size = isc_vax_integer(&result[1], 2);
125: while (result[i] != isc_info_end && i < result_size) {
126: short len = (short) isc_vax_integer(&result[i + 1], 2);
127: if (result[i] != isc_info_req_select_count) {
128: affected_rows += isc_vax_integer(&result[i + 3], len);
129: }
130: i += len + 3;
131: }
132: stmt->row_count = affected_rows;
133: }
134: default:
135: ;
136: }
137:
138: /* commit? */
139: if (stmt->dbh->auto_commit && isc_commit_retaining(H->isc_status, &H->tr)) {
140: break;
141: }
142:
143: *S->name = 0;
144: S->cursor_open = (S->out_sqlda.sqln > 0); /* A cursor is opened, when more than zero columns returned */
145: S->exhausted = !S->cursor_open;
146:
147: return 1;
148: } while (0);
149:
150: RECORD_ERROR(stmt);
151:
152: return 0;
153: }
154: /* }}} */
155:
156: /* called by PDO to fetch the next row from a statement */
157: static int firebird_stmt_fetch(pdo_stmt_t *stmt, /* {{{ */
158: enum pdo_fetch_orientation ori, long offset TSRMLS_DC)
159: {
160: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
161: pdo_firebird_db_handle *H = S->H;
162:
163: if (!stmt->executed) {
164: strcpy(stmt->error_code, "HY000");
165: H->last_app_error = "Cannot fetch from a closed cursor";
166: } else if (!S->exhausted) {
167: if (isc_dsql_fetch(H->isc_status, &S->stmt, PDO_FB_SQLDA_VERSION, &S->out_sqlda)) {
168: if (H->isc_status[0] && H->isc_status[1]) {
169: RECORD_ERROR(stmt);
170: }
171: S->exhausted = 1;
172: return 0;
173: }
174: if (S->statement_type == isc_info_sql_stmt_exec_procedure) {
175: S->exhausted = 1;
176: }
177: stmt->row_count++;
178: return 1;
179: }
180: return 0;
181: }
182: /* }}} */
183:
184: /* called by PDO to retrieve information about the fields being returned */
185: static int firebird_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC) /* {{{ */
186: {
187: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
188: struct pdo_column_data *col = &stmt->columns[colno];
189: XSQLVAR *var = &S->out_sqlda.sqlvar[colno];
190: int colname_len;
191: char *cp;
192:
193: /* allocate storage for the column */
194: var->sqlind = (void*)ecalloc(1, var->sqllen + 2*sizeof(short));
195: var->sqldata = &((char*)var->sqlind)[sizeof(short)];
196:
197: colname_len = (S->H->fetch_table_names && var->relname_length)
198: ? (var->aliasname_length + var->relname_length + 1)
199: : (var->aliasname_length);
200: col->precision = -var->sqlscale;
201: col->maxlen = var->sqllen;
202: col->namelen = colname_len;
203: col->name = cp = emalloc(colname_len + 1);
204: if (colname_len > var->aliasname_length) {
205: memmove(cp, var->relname, var->relname_length);
206: cp += var->relname_length;
207: *cp++ = '.';
208: }
209: memmove(cp, var->aliasname, var->aliasname_length);
210: *(cp+var->aliasname_length) = '\0';
211: col->param_type = PDO_PARAM_STR;
212:
213: return 1;
214: }
215: /* }}} */
216:
217: #define FETCH_BUF(buf,type,len,lenvar) ((buf) = (buf) ? (buf) : \
218: emalloc((len) ? (len * sizeof(type)) : ((*(unsigned long*)lenvar) = sizeof(type))))
219:
220: #define CHAR_BUF_LEN 24
221:
222: /* fetch a blob into a fetch buffer */
223: static int firebird_fetch_blob(pdo_stmt_t *stmt, int colno, char **ptr, /* {{{ */
224: unsigned long *len, ISC_QUAD *blob_id TSRMLS_DC)
225: {
226: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
227: pdo_firebird_db_handle *H = S->H;
228: isc_blob_handle blobh = NULL;
229: char const bl_item = isc_info_blob_total_length;
230: char bl_info[20];
231: unsigned short i;
232: int result = *len = 0;
233:
234: if (isc_open_blob(H->isc_status, &H->db, &H->tr, &blobh, blob_id)) {
235: RECORD_ERROR(stmt);
236: return 0;
237: }
238:
239: if (isc_blob_info(H->isc_status, &blobh, 1, const_cast(&bl_item),
240: sizeof(bl_info), bl_info)) {
241: RECORD_ERROR(stmt);
242: goto fetch_blob_end;
243: }
244:
245: /* find total length of blob's data */
246: for (i = 0; i < sizeof(bl_info); ) {
247: unsigned short item_len;
248: char item = bl_info[i++];
249:
250: if (item == isc_info_end || item == isc_info_truncated || item == isc_info_error
251: || i >= sizeof(bl_info)) {
252: H->last_app_error = "Couldn't determine BLOB size";
253: goto fetch_blob_end;
254: }
255:
256: item_len = (unsigned short) isc_vax_integer(&bl_info[i], 2);
257:
258: if (item == isc_info_blob_total_length) {
259: *len = isc_vax_integer(&bl_info[i+2], item_len);
260: break;
261: }
262: i += item_len+2;
263: }
264:
265: /* we've found the blob's length, now fetch! */
266:
267: if (*len) {
268: unsigned long cur_len;
269: unsigned short seg_len;
270: ISC_STATUS stat;
271:
272: *ptr = S->fetch_buf[colno] = erealloc(*ptr, *len+1);
273:
274: for (cur_len = stat = 0; (!stat || stat == isc_segment) && cur_len < *len; cur_len += seg_len) {
275:
276: unsigned short chunk_size = (*len-cur_len) > USHRT_MAX ? USHRT_MAX
277: : (unsigned short)(*len-cur_len);
278:
279: stat = isc_get_segment(H->isc_status, &blobh, &seg_len, chunk_size, &(*ptr)[cur_len]);
280: }
281:
282: (*ptr)[*len++] = '\0';
283:
284: if (H->isc_status[0] == 1 && (stat != 0 && stat != isc_segstr_eof && stat != isc_segment)) {
285: H->last_app_error = "Error reading from BLOB";
286: goto fetch_blob_end;
287: }
288: }
289: result = 1;
290:
291: fetch_blob_end:
292: if (isc_close_blob(H->isc_status, &blobh)) {
293: RECORD_ERROR(stmt);
294: return 0;
295: }
296: return result;
297: }
298: /* }}} */
299:
300: static int firebird_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, /* {{{ */
301: unsigned long *len, int *caller_frees TSRMLS_DC)
302: {
303: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
304: XSQLVAR const *var = &S->out_sqlda.sqlvar[colno];
305:
306: if (*var->sqlind == -1) {
307: /* A NULL value */
308: *ptr = NULL;
309: *len = 0;
310: } else {
311: if (var->sqlscale < 0) {
312: static ISC_INT64 const scales[] = { 1, 10, 100, 1000,
313: 10000,
314: 100000,
315: 1000000,
316: 10000000,
317: 100000000,
318: 1000000000,
319: LL_LIT(10000000000),
320: LL_LIT(100000000000),
321: LL_LIT(1000000000000),
322: LL_LIT(10000000000000),
323: LL_LIT(100000000000000),
324: LL_LIT(1000000000000000),
325: LL_LIT(10000000000000000),
326: LL_LIT(100000000000000000),
327: LL_LIT(1000000000000000000)
328: };
329: ISC_INT64 n, f = scales[-var->sqlscale];
330:
331: switch (var->sqltype & ~1) {
332: case SQL_SHORT:
333: n = *(short*)var->sqldata;
334: break;
335: case SQL_LONG:
336: n = *(ISC_LONG*)var->sqldata;
337: break;
338: case SQL_INT64:
339: n = *(ISC_INT64*)var->sqldata;
340: }
341:
342: *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
343:
344: if (n >= 0) {
345: *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d.%0*" LL_MASK "d",
346: n / f, -var->sqlscale, n % f);
347: } else if (n < -f) {
348: *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d.%0*" LL_MASK "d",
349: n / f, -var->sqlscale, -n % f);
350: } else {
351: *len = slprintf(*ptr, CHAR_BUF_LEN, "-0.%0*" LL_MASK "d", -var->sqlscale, -n % f);
352: }
353: } else {
354: switch (var->sqltype & ~1) {
355: struct tm t;
356: char *fmt;
357:
358: case SQL_VARYING:
359: *ptr = &var->sqldata[2];
360: *len = *(short*)var->sqldata;
361: break;
362: case SQL_TEXT:
363: *ptr = var->sqldata;
364: *len = var->sqllen;
365: break;
366: case SQL_SHORT:
367: *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
368: *len = slprintf(*ptr, CHAR_BUF_LEN, "%d", *(short*)var->sqldata);
369: break;
370: case SQL_LONG:
371: *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
372: *len = slprintf(*ptr, CHAR_BUF_LEN, "%ld", *(ISC_LONG*)var->sqldata);
373: break;
374: case SQL_INT64:
375: *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
376: *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d", *(ISC_INT64*)var->sqldata);
377: break;
378: case SQL_FLOAT:
379: *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
380: *len = slprintf(*ptr, CHAR_BUF_LEN, "%F", *(float*)var->sqldata);
381: break;
382: case SQL_DOUBLE:
383: *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
384: *len = slprintf(*ptr, CHAR_BUF_LEN, "%F" , *(double*)var->sqldata);
385: break;
386: case SQL_TYPE_DATE:
387: isc_decode_sql_date((ISC_DATE*)var->sqldata, &t);
388: fmt = S->H->date_format ? S->H->date_format : PDO_FB_DEF_DATE_FMT;
389: if (0) {
390: case SQL_TYPE_TIME:
391: isc_decode_sql_time((ISC_TIME*)var->sqldata, &t);
392: fmt = S->H->time_format ? S->H->time_format : PDO_FB_DEF_TIME_FMT;
393: } else if (0) {
394: case SQL_TIMESTAMP:
395: isc_decode_timestamp((ISC_TIMESTAMP*)var->sqldata, &t);
396: fmt = S->H->timestamp_format ? S->H->timestamp_format : PDO_FB_DEF_TIMESTAMP_FMT;
397: }
398: /* convert the timestamp into a string */
399: *len = 80;
400: *ptr = FETCH_BUF(S->fetch_buf[colno], char, *len, NULL);
401: *len = strftime(*ptr, *len, fmt, &t);
402: break;
403: case SQL_BLOB:
404: return firebird_fetch_blob(stmt,colno,ptr,len,
405: (ISC_QUAD*)var->sqldata TSRMLS_CC);
406: }
407: }
408: }
409: return 1;
410: }
411: /* }}} */
412:
413: static int firebird_bind_blob(pdo_stmt_t *stmt, ISC_QUAD *blob_id, zval *param TSRMLS_DC)
414: {
415: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
416: pdo_firebird_db_handle *H = S->H;
417: isc_blob_handle h = NULL;
418: unsigned long put_cnt = 0, rem_cnt;
419: unsigned short chunk_size;
420: int result = 1;
421:
422: if (isc_create_blob(H->isc_status, &H->db, &H->tr, &h, blob_id)) {
423: RECORD_ERROR(stmt);
424: return 0;
425: }
426:
427: SEPARATE_ZVAL(¶m);
428:
429: convert_to_string_ex(¶m);
430:
431: for (rem_cnt = Z_STRLEN_P(param); rem_cnt > 0; rem_cnt -= chunk_size) {
432:
433: chunk_size = rem_cnt > USHRT_MAX ? USHRT_MAX : (unsigned short)rem_cnt;
434:
435: if (isc_put_segment(H->isc_status, &h, chunk_size, &Z_STRVAL_P(param)[put_cnt])) {
436: RECORD_ERROR(stmt);
437: result = 0;
438: break;
439: }
440: put_cnt += chunk_size;
441: }
442:
443: zval_dtor(param);
444:
445: if (isc_close_blob(H->isc_status, &h)) {
446: RECORD_ERROR(stmt);
447: return 0;
448: }
449: return result;
450: }
451:
452: static int firebird_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param, /* {{{ */
453: enum pdo_param_event event_type TSRMLS_DC)
454: {
455: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
456: XSQLDA *sqlda = param->is_param ? S->in_sqlda : &S->out_sqlda;
457: XSQLVAR *var;
458:
459: if (event_type == PDO_PARAM_EVT_FREE) { /* not used */
460: return 1;
461: }
462:
463: if (!sqlda || param->paramno >= sqlda->sqld) {
464: strcpy(stmt->error_code, "HY093");
465: S->H->last_app_error = "Invalid parameter index";
466: return 0;
467: }
468: if (param->is_param && param->paramno == -1) {
469: long *index;
470:
471: /* try to determine the index by looking in the named_params hash */
472: if (SUCCESS == zend_hash_find(S->named_params, param->name, param->namelen+1, (void*)&index)) {
473: param->paramno = *index;
474: } else {
475: /* ... or by looking in the input descriptor */
476: int i;
477:
478: for (i = 0; i < sqlda->sqld; ++i) {
479: XSQLVAR *var = &sqlda->sqlvar[i];
480:
481: if ((var->aliasname_length && !strncasecmp(param->name, var->aliasname,
482: min(param->namelen, var->aliasname_length)))
483: || (var->sqlname_length && !strncasecmp(param->name, var->sqlname,
484: min(param->namelen, var->sqlname_length)))) {
485: param->paramno = i;
486: break;
487: }
488: }
489: if (i >= sqlda->sqld) {
490: strcpy(stmt->error_code, "HY093");
491: S->H->last_app_error = "Invalid parameter name";
492: return 0;
493: }
494: }
495: }
496:
497: var = &sqlda->sqlvar[param->paramno];
498:
499: switch (event_type) {
500: char *value;
501: unsigned long value_len;
502: int caller_frees;
503:
504: case PDO_PARAM_EVT_ALLOC:
505: if (param->is_param) {
506: /* allocate the parameter */
507: if (var->sqlind) {
508: efree(var->sqlind);
509: }
510: var->sqlind = (void*)emalloc(var->sqllen + 2*sizeof(short));
511: var->sqldata = &((char*)var->sqlind)[sizeof(short)];
512: }
513: break;
514:
515: case PDO_PARAM_EVT_EXEC_PRE:
516: if (!param->is_param) {
517: break;
518: }
519:
520: *var->sqlind = 0;
521:
522: switch (var->sqltype & ~1) {
523: case SQL_ARRAY:
524: strcpy(stmt->error_code, "HY000");
525: S->H->last_app_error = "Cannot bind to array field";
526: return 0;
527:
528: case SQL_BLOB:
529: return firebird_bind_blob(stmt, (ISC_QUAD*)var->sqldata,
530: param->parameter TSRMLS_CC);
531: }
532:
533: /* check if a NULL should be inserted */
534: switch (Z_TYPE_P(param->parameter)) {
535: int force_null;
536:
537: case IS_LONG:
538: var->sqltype = sizeof(long) == 8 ? SQL_INT64 : SQL_LONG;
539: var->sqldata = (void*)&Z_LVAL_P(param->parameter);
540: var->sqllen = sizeof(long);
541: break;
542: case IS_DOUBLE:
543: var->sqltype = SQL_DOUBLE;
544: var->sqldata = (void*)&Z_DVAL_P(param->parameter);
545: var->sqllen = sizeof(double);
546: break;
547: case IS_STRING:
548: force_null = 0;
549:
550: /* for these types, an empty string can be handled like a NULL value */
551: switch (var->sqltype & ~1) {
552: case SQL_SHORT:
553: case SQL_LONG:
554: case SQL_INT64:
555: case SQL_FLOAT:
556: case SQL_DOUBLE:
557: case SQL_TIMESTAMP:
558: case SQL_TYPE_DATE:
559: case SQL_TYPE_TIME:
560: force_null = (Z_STRLEN_P(param->parameter) == 0);
561: }
562: if (!force_null) {
563: var->sqltype = SQL_TEXT;
564: var->sqldata = Z_STRVAL_P(param->parameter);
565: var->sqllen = Z_STRLEN_P(param->parameter);
566: break;
567: }
568: case IS_NULL:
569: /* complain if this field doesn't allow NULL values */
570: if (~var->sqltype & 1) {
571: strcpy(stmt->error_code, "HY105");
572: S->H->last_app_error = "Parameter requires non-null value";
573: return 0;
574: }
575: *var->sqlind = -1;
576: break;
577: default:
578: strcpy(stmt->error_code, "HY105");
579: S->H->last_app_error = "Binding arrays/objects is not supported";
580: return 0;
581: }
582: break;
583:
584: case PDO_PARAM_EVT_FETCH_POST:
585: if (param->paramno == -1) {
586: return 0;
587: }
588: if (param->is_param) {
589: break;
590: }
591: value = NULL;
592: value_len = 0;
593: caller_frees = 0;
594:
595: if (firebird_stmt_get_col(stmt, param->paramno, &value, &value_len, &caller_frees TSRMLS_CC)) {
596: switch (PDO_PARAM_TYPE(param->param_type)) {
597: case PDO_PARAM_STR:
598: if (value) {
599: ZVAL_STRINGL(param->parameter, value, value_len, 1);
600: break;
601: }
602: case PDO_PARAM_INT:
603: if (value) {
604: ZVAL_LONG(param->parameter, *(long*)value);
605: break;
606: }
607: case PDO_PARAM_EVT_NORMALIZE:
608: if (!param->is_param) {
609: char *s = param->name;
610: while (*s != '\0') {
611: *s = toupper(*s);
612: s++;
613: }
614: }
615: break;
616: default:
617: ZVAL_NULL(param->parameter);
618: }
619: if (value && caller_frees) {
620: efree(value);
621: }
622: return 1;
623: }
624: return 0;
625: default:
626: ;
627: }
628: return 1;
629: }
630: /* }}} */
631:
632: static int firebird_stmt_set_attribute(pdo_stmt_t *stmt, long attr, zval *val TSRMLS_DC) /* {{{ */
633: {
634: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
635:
636: switch (attr) {
637: default:
638: return 0;
639: case PDO_ATTR_CURSOR_NAME:
640: convert_to_string(val);
641:
642: if (isc_dsql_set_cursor_name(S->H->isc_status, &S->stmt, Z_STRVAL_P(val),0)) {
643: RECORD_ERROR(stmt);
644: return 0;
645: }
646: strlcpy(S->name, Z_STRVAL_P(val), sizeof(S->name));
647: break;
648: }
649: return 1;
650: }
651: /* }}} */
652:
653: static int firebird_stmt_get_attribute(pdo_stmt_t *stmt, long attr, zval *val TSRMLS_DC) /* {{{ */
654: {
655: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
656:
657: switch (attr) {
658: default:
659: return 0;
660: case PDO_ATTR_CURSOR_NAME:
661: if (*S->name) {
662: ZVAL_STRING(val,S->name,1);
663: } else {
664: ZVAL_NULL(val);
665: }
666: break;
667: }
668: return 1;
669: }
670: /* }}} */
671:
672: static int firebird_stmt_cursor_closer(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
673: {
674: pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
675:
676: /* close the statement handle */
677: if ((*S->name || S->cursor_open) && isc_dsql_free_statement(S->H->isc_status, &S->stmt, DSQL_close)) {
678: RECORD_ERROR(stmt);
679: return 0;
680: }
681: *S->name = 0;
682: S->cursor_open = 0;
683: return 1;
684: }
685: /* }}} */
686:
687:
688: struct pdo_stmt_methods firebird_stmt_methods = { /* {{{ */
689: firebird_stmt_dtor,
690: firebird_stmt_execute,
691: firebird_stmt_fetch,
692: firebird_stmt_describe,
693: firebird_stmt_get_col,
694: firebird_stmt_param_hook,
695: firebird_stmt_set_attribute,
696: firebird_stmt_get_attribute,
697: NULL, /* get_column_meta_func */
698: NULL, /* next_rowset_func */
699: firebird_stmt_cursor_closer
700: };
701: /* }}} */
702:
703: /*
704: * Local variables:
705: * tab-width: 4
706: * c-basic-offset: 4
707: * End:
708: * vim600: noet sw=4 ts=4 fdm=marker
709: * vim<600: noet sw=4 ts=4
710: */
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