1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 5 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 1997-2016 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 #ifdef HAVE_CONFIG_H
20 #include "config.h"
21 #endif
22
23 #include "php.h"
24 #include "php_ini.h"
25 #include "ext/standard/info.h"
26 #include "pdo/php_pdo.h"
27 #include "pdo/php_pdo_driver.h"
28 #include "php_pdo_firebird.h"
29 #include "php_pdo_firebird_int.h"
30
31 #include <time.h>
32
33 #define RECORD_ERROR(stmt) _firebird_error(NULL, stmt, __FILE__, __LINE__ TSRMLS_CC)
34
35 /* free the allocated space for passing field values to the db and back */
free_sqlda(XSQLDA const * sqlda)36 static void free_sqlda(XSQLDA const *sqlda) /* {{{ */
37 {
38 int i;
39
40 for (i = 0; i < sqlda->sqld; ++i) {
41 XSQLVAR const *var = &sqlda->sqlvar[i];
42
43 if (var->sqlind) {
44 efree(var->sqlind);
45 }
46 }
47 }
48 /* }}} */
49
50 /* called by PDO to clean up a statement handle */
firebird_stmt_dtor(pdo_stmt_t * stmt TSRMLS_DC)51 static int firebird_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
52 {
53 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
54 int result = 1, i;
55
56 /* release the statement */
57 if (isc_dsql_free_statement(S->H->isc_status, &S->stmt, DSQL_drop)) {
58 RECORD_ERROR(stmt);
59 result = 0;
60 }
61
62 /* clean up the fetch buffers if they have been used */
63 for (i = 0; i < S->out_sqlda.sqld; ++i) {
64 if (S->fetch_buf[i]) {
65 efree(S->fetch_buf[i]);
66 }
67 }
68 efree(S->fetch_buf);
69
70 zend_hash_destroy(S->named_params);
71 FREE_HASHTABLE(S->named_params);
72
73 /* clean up the input descriptor */
74 if (S->in_sqlda) {
75 free_sqlda(S->in_sqlda);
76 efree(S->in_sqlda);
77 }
78
79 free_sqlda(&S->out_sqlda);
80 efree(S);
81
82 return result;
83 }
84 /* }}} */
85
86 /* called by PDO to execute a prepared query */
firebird_stmt_execute(pdo_stmt_t * stmt TSRMLS_DC)87 static int firebird_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
88 {
89 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
90 pdo_firebird_db_handle *H = S->H;
91 unsigned long affected_rows = 0;
92 static char info_count[] = {isc_info_sql_records};
93 char result[64];
94
95 do {
96 /* named or open cursors should be closed first */
97 if ((*S->name || S->cursor_open) && isc_dsql_free_statement(H->isc_status, &S->stmt, DSQL_close)) {
98 break;
99 }
100 S->cursor_open = 0;
101 /* assume all params have been bound */
102
103 if (isc_dsql_execute(H->isc_status, &H->tr, &S->stmt, PDO_FB_SQLDA_VERSION, S->in_sqlda)) {
104 break;
105 }
106
107 /* Determine how many rows have changed. In this case we are
108 * only interested in rows changed, not rows retrieved. That
109 * should be handled by the client when fetching. */
110 stmt->row_count = affected_rows;
111
112 switch (S->statement_type) {
113 case isc_info_sql_stmt_insert:
114 case isc_info_sql_stmt_update:
115 case isc_info_sql_stmt_delete:
116 case isc_info_sql_stmt_exec_procedure:
117 if (isc_dsql_sql_info(H->isc_status, &S->stmt, sizeof ( info_count),
118 info_count, sizeof(result), result)) {
119 break;
120 }
121 if (result[0] == isc_info_sql_records) {
122 unsigned i = 3, result_size = isc_vax_integer(&result[1], 2);
123 while (result[i] != isc_info_end && i < result_size) {
124 short len = (short) isc_vax_integer(&result[i + 1], 2);
125 if (result[i] != isc_info_req_select_count) {
126 affected_rows += isc_vax_integer(&result[i + 3], len);
127 }
128 i += len + 3;
129 }
130 stmt->row_count = affected_rows;
131 }
132 default:
133 ;
134 }
135
136 /* commit? */
137 if (stmt->dbh->auto_commit && isc_commit_retaining(H->isc_status, &H->tr)) {
138 break;
139 }
140
141 *S->name = 0;
142 S->cursor_open = (S->out_sqlda.sqln > 0); /* A cursor is opened, when more than zero columns returned */
143 S->exhausted = !S->cursor_open;
144
145 return 1;
146 } while (0);
147
148 RECORD_ERROR(stmt);
149
150 return 0;
151 }
152 /* }}} */
153
154 /* called by PDO to fetch the next row from a statement */
firebird_stmt_fetch(pdo_stmt_t * stmt,enum pdo_fetch_orientation ori,long offset TSRMLS_DC)155 static int firebird_stmt_fetch(pdo_stmt_t *stmt, /* {{{ */
156 enum pdo_fetch_orientation ori, long offset TSRMLS_DC)
157 {
158 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
159 pdo_firebird_db_handle *H = S->H;
160
161 if (!stmt->executed) {
162 strcpy(stmt->error_code, "HY000");
163 H->last_app_error = "Cannot fetch from a closed cursor";
164 } else if (!S->exhausted) {
165 if (isc_dsql_fetch(H->isc_status, &S->stmt, PDO_FB_SQLDA_VERSION, &S->out_sqlda)) {
166 if (H->isc_status[0] && H->isc_status[1]) {
167 RECORD_ERROR(stmt);
168 }
169 S->exhausted = 1;
170 return 0;
171 }
172 if (S->statement_type == isc_info_sql_stmt_exec_procedure) {
173 S->exhausted = 1;
174 }
175 stmt->row_count++;
176 return 1;
177 }
178 return 0;
179 }
180 /* }}} */
181
182 /* called by PDO to retrieve information about the fields being returned */
firebird_stmt_describe(pdo_stmt_t * stmt,int colno TSRMLS_DC)183 static int firebird_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC) /* {{{ */
184 {
185 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
186 struct pdo_column_data *col = &stmt->columns[colno];
187 XSQLVAR *var = &S->out_sqlda.sqlvar[colno];
188 int colname_len;
189 char *cp;
190
191 /* allocate storage for the column */
192 var->sqlind = (void*)ecalloc(1, var->sqllen + 2*sizeof(short));
193 var->sqldata = &((char*)var->sqlind)[sizeof(short)];
194
195 colname_len = (S->H->fetch_table_names && var->relname_length)
196 ? (var->aliasname_length + var->relname_length + 1)
197 : (var->aliasname_length);
198 col->precision = -var->sqlscale;
199 col->maxlen = var->sqllen;
200 col->namelen = colname_len;
201 col->name = cp = emalloc(colname_len + 1);
202 if (colname_len > var->aliasname_length) {
203 memmove(cp, var->relname, var->relname_length);
204 cp += var->relname_length;
205 *cp++ = '.';
206 }
207 memmove(cp, var->aliasname, var->aliasname_length);
208 *(cp+var->aliasname_length) = '\0';
209 col->param_type = PDO_PARAM_STR;
210
211 return 1;
212 }
213 /* }}} */
214
215 #define FETCH_BUF(buf,type,len,lenvar) ((buf) = (buf) ? (buf) : \
216 emalloc((len) ? (len * sizeof(type)) : ((*(unsigned long*)lenvar) = sizeof(type))))
217
218 #define CHAR_BUF_LEN 24
219
220 /* fetch a blob into a fetch buffer */
firebird_fetch_blob(pdo_stmt_t * stmt,int colno,char ** ptr,unsigned long * len,ISC_QUAD * blob_id TSRMLS_DC)221 static int firebird_fetch_blob(pdo_stmt_t *stmt, int colno, char **ptr, /* {{{ */
222 unsigned long *len, ISC_QUAD *blob_id TSRMLS_DC)
223 {
224 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
225 pdo_firebird_db_handle *H = S->H;
226 isc_blob_handle blobh = NULL;
227 char const bl_item = isc_info_blob_total_length;
228 char bl_info[20];
229 unsigned short i;
230 int result = *len = 0;
231
232 if (isc_open_blob(H->isc_status, &H->db, &H->tr, &blobh, blob_id)) {
233 RECORD_ERROR(stmt);
234 return 0;
235 }
236
237 if (isc_blob_info(H->isc_status, &blobh, 1, const_cast(&bl_item),
238 sizeof(bl_info), bl_info)) {
239 RECORD_ERROR(stmt);
240 goto fetch_blob_end;
241 }
242
243 /* find total length of blob's data */
244 for (i = 0; i < sizeof(bl_info); ) {
245 unsigned short item_len;
246 char item = bl_info[i++];
247
248 if (item == isc_info_end || item == isc_info_truncated || item == isc_info_error
249 || i >= sizeof(bl_info)) {
250 H->last_app_error = "Couldn't determine BLOB size";
251 goto fetch_blob_end;
252 }
253
254 item_len = (unsigned short) isc_vax_integer(&bl_info[i], 2);
255
256 if (item == isc_info_blob_total_length) {
257 *len = isc_vax_integer(&bl_info[i+2], item_len);
258 break;
259 }
260 i += item_len+2;
261 }
262
263 /* we've found the blob's length, now fetch! */
264
265 if (*len) {
266 unsigned long cur_len;
267 unsigned short seg_len;
268 ISC_STATUS stat;
269
270 *ptr = S->fetch_buf[colno] = erealloc(*ptr, *len+1);
271
272 for (cur_len = stat = 0; (!stat || stat == isc_segment) && cur_len < *len; cur_len += seg_len) {
273
274 unsigned short chunk_size = (*len-cur_len) > USHRT_MAX ? USHRT_MAX
275 : (unsigned short)(*len-cur_len);
276
277 stat = isc_get_segment(H->isc_status, &blobh, &seg_len, chunk_size, &(*ptr)[cur_len]);
278 }
279
280 (*ptr)[*len++] = '\0';
281
282 if (H->isc_status[0] == 1 && (stat != 0 && stat != isc_segstr_eof && stat != isc_segment)) {
283 H->last_app_error = "Error reading from BLOB";
284 goto fetch_blob_end;
285 }
286 }
287 result = 1;
288
289 fetch_blob_end:
290 if (isc_close_blob(H->isc_status, &blobh)) {
291 RECORD_ERROR(stmt);
292 return 0;
293 }
294 return result;
295 }
296 /* }}} */
297
firebird_stmt_get_col(pdo_stmt_t * stmt,int colno,char ** ptr,unsigned long * len,int * caller_frees TSRMLS_DC)298 static int firebird_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, /* {{{ */
299 unsigned long *len, int *caller_frees TSRMLS_DC)
300 {
301 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
302 XSQLVAR const *var = &S->out_sqlda.sqlvar[colno];
303
304 if (*var->sqlind == -1) {
305 /* A NULL value */
306 *ptr = NULL;
307 *len = 0;
308 } else {
309 if (var->sqlscale < 0) {
310 static ISC_INT64 const scales[] = { 1, 10, 100, 1000,
311 10000,
312 100000,
313 1000000,
314 10000000,
315 100000000,
316 1000000000,
317 LL_LIT(10000000000),
318 LL_LIT(100000000000),
319 LL_LIT(1000000000000),
320 LL_LIT(10000000000000),
321 LL_LIT(100000000000000),
322 LL_LIT(1000000000000000),
323 LL_LIT(10000000000000000),
324 LL_LIT(100000000000000000),
325 LL_LIT(1000000000000000000)
326 };
327 ISC_INT64 n, f = scales[-var->sqlscale];
328
329 switch (var->sqltype & ~1) {
330 case SQL_SHORT:
331 n = *(short*)var->sqldata;
332 break;
333 case SQL_LONG:
334 n = *(ISC_LONG*)var->sqldata;
335 break;
336 case SQL_INT64:
337 n = *(ISC_INT64*)var->sqldata;
338 }
339
340 *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
341
342 if (n >= 0) {
343 *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d.%0*" LL_MASK "d",
344 n / f, -var->sqlscale, n % f);
345 } else if (n <= -f) {
346 *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d.%0*" LL_MASK "d",
347 n / f, -var->sqlscale, -n % f);
348 } else {
349 *len = slprintf(*ptr, CHAR_BUF_LEN, "-0.%0*" LL_MASK "d", -var->sqlscale, -n % f);
350 }
351 } else {
352 switch (var->sqltype & ~1) {
353 struct tm t;
354 char *fmt;
355
356 case SQL_VARYING:
357 *ptr = &var->sqldata[2];
358 *len = *(short*)var->sqldata;
359 break;
360 case SQL_TEXT:
361 *ptr = var->sqldata;
362 *len = var->sqllen;
363 break;
364 case SQL_SHORT:
365 *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
366 *len = slprintf(*ptr, CHAR_BUF_LEN, "%d", *(short*)var->sqldata);
367 break;
368 case SQL_LONG:
369 *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
370 *len = slprintf(*ptr, CHAR_BUF_LEN, "%d", *(ISC_LONG*)var->sqldata);
371 break;
372 case SQL_INT64:
373 *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
374 *len = slprintf(*ptr, CHAR_BUF_LEN, "%" LL_MASK "d", *(ISC_INT64*)var->sqldata);
375 break;
376 case SQL_FLOAT:
377 *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
378 *len = slprintf(*ptr, CHAR_BUF_LEN, "%F", *(float*)var->sqldata);
379 break;
380 case SQL_DOUBLE:
381 *ptr = FETCH_BUF(S->fetch_buf[colno], char, CHAR_BUF_LEN, NULL);
382 *len = slprintf(*ptr, CHAR_BUF_LEN, "%F" , *(double*)var->sqldata);
383 break;
384 case SQL_TYPE_DATE:
385 isc_decode_sql_date((ISC_DATE*)var->sqldata, &t);
386 fmt = S->H->date_format ? S->H->date_format : PDO_FB_DEF_DATE_FMT;
387 if (0) {
388 case SQL_TYPE_TIME:
389 isc_decode_sql_time((ISC_TIME*)var->sqldata, &t);
390 fmt = S->H->time_format ? S->H->time_format : PDO_FB_DEF_TIME_FMT;
391 } else if (0) {
392 case SQL_TIMESTAMP:
393 isc_decode_timestamp((ISC_TIMESTAMP*)var->sqldata, &t);
394 fmt = S->H->timestamp_format ? S->H->timestamp_format : PDO_FB_DEF_TIMESTAMP_FMT;
395 }
396 /* convert the timestamp into a string */
397 *len = 80;
398 *ptr = FETCH_BUF(S->fetch_buf[colno], char, *len, NULL);
399 *len = strftime(*ptr, *len, fmt, &t);
400 break;
401 case SQL_BLOB:
402 return firebird_fetch_blob(stmt,colno,ptr,len,
403 (ISC_QUAD*)var->sqldata TSRMLS_CC);
404 }
405 }
406 }
407 return 1;
408 }
409 /* }}} */
410
firebird_bind_blob(pdo_stmt_t * stmt,ISC_QUAD * blob_id,zval * param TSRMLS_DC)411 static int firebird_bind_blob(pdo_stmt_t *stmt, ISC_QUAD *blob_id, zval *param TSRMLS_DC)
412 {
413 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
414 pdo_firebird_db_handle *H = S->H;
415 isc_blob_handle h = NULL;
416 unsigned long put_cnt = 0, rem_cnt;
417 unsigned short chunk_size;
418 int result = 1;
419
420 if (isc_create_blob(H->isc_status, &H->db, &H->tr, &h, blob_id)) {
421 RECORD_ERROR(stmt);
422 return 0;
423 }
424
425 SEPARATE_ZVAL(¶m);
426
427 convert_to_string_ex(¶m);
428
429 for (rem_cnt = Z_STRLEN_P(param); rem_cnt > 0; rem_cnt -= chunk_size) {
430
431 chunk_size = rem_cnt > USHRT_MAX ? USHRT_MAX : (unsigned short)rem_cnt;
432
433 if (isc_put_segment(H->isc_status, &h, chunk_size, &Z_STRVAL_P(param)[put_cnt])) {
434 RECORD_ERROR(stmt);
435 result = 0;
436 break;
437 }
438 put_cnt += chunk_size;
439 }
440
441 zval_dtor(param);
442
443 if (isc_close_blob(H->isc_status, &h)) {
444 RECORD_ERROR(stmt);
445 return 0;
446 }
447 return result;
448 }
449
firebird_stmt_param_hook(pdo_stmt_t * stmt,struct pdo_bound_param_data * param,enum pdo_param_event event_type TSRMLS_DC)450 static int firebird_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param, /* {{{ */
451 enum pdo_param_event event_type TSRMLS_DC)
452 {
453 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
454 XSQLDA *sqlda = param->is_param ? S->in_sqlda : &S->out_sqlda;
455 XSQLVAR *var;
456
457 if (event_type == PDO_PARAM_EVT_FREE) { /* not used */
458 return 1;
459 }
460
461 if (!sqlda || param->paramno >= sqlda->sqld) {
462 strcpy(stmt->error_code, "HY093");
463 S->H->last_app_error = "Invalid parameter index";
464 return 0;
465 }
466 if (param->is_param && param->paramno == -1) {
467 long *index;
468
469 /* try to determine the index by looking in the named_params hash */
470 if (SUCCESS == zend_hash_find(S->named_params, param->name, param->namelen+1, (void*)&index)) {
471 param->paramno = *index;
472 } else {
473 /* ... or by looking in the input descriptor */
474 int i;
475
476 for (i = 0; i < sqlda->sqld; ++i) {
477 XSQLVAR *var = &sqlda->sqlvar[i];
478
479 if ((var->aliasname_length && !strncasecmp(param->name, var->aliasname,
480 min(param->namelen, var->aliasname_length)))
481 || (var->sqlname_length && !strncasecmp(param->name, var->sqlname,
482 min(param->namelen, var->sqlname_length)))) {
483 param->paramno = i;
484 break;
485 }
486 }
487 if (i >= sqlda->sqld) {
488 strcpy(stmt->error_code, "HY093");
489 S->H->last_app_error = "Invalid parameter name";
490 return 0;
491 }
492 }
493 }
494
495 var = &sqlda->sqlvar[param->paramno];
496
497 switch (event_type) {
498 char *value;
499 unsigned long value_len;
500 int caller_frees;
501
502 case PDO_PARAM_EVT_ALLOC:
503 if (param->is_param) {
504 /* allocate the parameter */
505 if (var->sqlind) {
506 efree(var->sqlind);
507 }
508 var->sqlind = (void*)emalloc(var->sqllen + 2*sizeof(short));
509 var->sqldata = &((char*)var->sqlind)[sizeof(short)];
510 }
511 break;
512
513 case PDO_PARAM_EVT_EXEC_PRE:
514 if (!param->is_param) {
515 break;
516 }
517
518 *var->sqlind = 0;
519
520 switch (var->sqltype & ~1) {
521 case SQL_ARRAY:
522 strcpy(stmt->error_code, "HY000");
523 S->H->last_app_error = "Cannot bind to array field";
524 return 0;
525
526 case SQL_BLOB:
527 return firebird_bind_blob(stmt, (ISC_QUAD*)var->sqldata,
528 param->parameter TSRMLS_CC);
529 }
530
531 /* check if a NULL should be inserted */
532 switch (Z_TYPE_P(param->parameter)) {
533 int force_null;
534
535 case IS_LONG:
536 /* keep the allow-NULL flag */
537 var->sqltype = (sizeof(long) == 8 ? SQL_INT64 : SQL_LONG) | (var->sqltype & 1);
538 var->sqldata = (void*)&Z_LVAL_P(param->parameter);
539 var->sqllen = sizeof(long);
540 break;
541 case IS_DOUBLE:
542 /* keep the allow-NULL flag */
543 var->sqltype = SQL_DOUBLE | (var->sqltype & 1);
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 /* keep the allow-NULL flag */
564 var->sqltype = SQL_TEXT | (var->sqltype & 1);
565 var->sqldata = Z_STRVAL_P(param->parameter);
566 var->sqllen = Z_STRLEN_P(param->parameter);
567 break;
568 }
569 case IS_NULL:
570 /* complain if this field doesn't allow NULL values */
571 if (~var->sqltype & 1) {
572 strcpy(stmt->error_code, "HY105");
573 S->H->last_app_error = "Parameter requires non-null value";
574 return 0;
575 }
576 *var->sqlind = -1;
577 break;
578 default:
579 strcpy(stmt->error_code, "HY105");
580 S->H->last_app_error = "Binding arrays/objects is not supported";
581 return 0;
582 }
583 break;
584
585 case PDO_PARAM_EVT_FETCH_POST:
586 if (param->paramno == -1) {
587 return 0;
588 }
589 if (param->is_param) {
590 break;
591 }
592 value = NULL;
593 value_len = 0;
594 caller_frees = 0;
595
596 if (firebird_stmt_get_col(stmt, param->paramno, &value, &value_len, &caller_frees TSRMLS_CC)) {
597 switch (PDO_PARAM_TYPE(param->param_type)) {
598 case PDO_PARAM_STR:
599 if (value) {
600 ZVAL_STRINGL(param->parameter, value, value_len, 1);
601 break;
602 }
603 case PDO_PARAM_INT:
604 if (value) {
605 ZVAL_LONG(param->parameter, *(long*)value);
606 break;
607 }
608 case PDO_PARAM_EVT_NORMALIZE:
609 if (!param->is_param) {
610 char *s = param->name;
611 while (*s != '\0') {
612 *s = toupper(*s);
613 s++;
614 }
615 }
616 break;
617 default:
618 ZVAL_NULL(param->parameter);
619 }
620 if (value && caller_frees) {
621 efree(value);
622 }
623 return 1;
624 }
625 return 0;
626 default:
627 ;
628 }
629 return 1;
630 }
631 /* }}} */
632
firebird_stmt_set_attribute(pdo_stmt_t * stmt,long attr,zval * val TSRMLS_DC)633 static int firebird_stmt_set_attribute(pdo_stmt_t *stmt, long attr, zval *val TSRMLS_DC) /* {{{ */
634 {
635 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
636
637 switch (attr) {
638 default:
639 return 0;
640 case PDO_ATTR_CURSOR_NAME:
641 convert_to_string(val);
642
643 if (isc_dsql_set_cursor_name(S->H->isc_status, &S->stmt, Z_STRVAL_P(val),0)) {
644 RECORD_ERROR(stmt);
645 return 0;
646 }
647 strlcpy(S->name, Z_STRVAL_P(val), sizeof(S->name));
648 break;
649 }
650 return 1;
651 }
652 /* }}} */
653
firebird_stmt_get_attribute(pdo_stmt_t * stmt,long attr,zval * val TSRMLS_DC)654 static int firebird_stmt_get_attribute(pdo_stmt_t *stmt, long attr, zval *val TSRMLS_DC) /* {{{ */
655 {
656 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
657
658 switch (attr) {
659 default:
660 return 0;
661 case PDO_ATTR_CURSOR_NAME:
662 if (*S->name) {
663 ZVAL_STRING(val,S->name,1);
664 } else {
665 ZVAL_NULL(val);
666 }
667 break;
668 }
669 return 1;
670 }
671 /* }}} */
672
firebird_stmt_cursor_closer(pdo_stmt_t * stmt TSRMLS_DC)673 static int firebird_stmt_cursor_closer(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
674 {
675 pdo_firebird_stmt *S = (pdo_firebird_stmt*)stmt->driver_data;
676
677 /* close the statement handle */
678 if ((*S->name || S->cursor_open) && isc_dsql_free_statement(S->H->isc_status, &S->stmt, DSQL_close)) {
679 RECORD_ERROR(stmt);
680 return 0;
681 }
682 *S->name = 0;
683 S->cursor_open = 0;
684 return 1;
685 }
686 /* }}} */
687
688
689 struct pdo_stmt_methods firebird_stmt_methods = { /* {{{ */
690 firebird_stmt_dtor,
691 firebird_stmt_execute,
692 firebird_stmt_fetch,
693 firebird_stmt_describe,
694 firebird_stmt_get_col,
695 firebird_stmt_param_hook,
696 firebird_stmt_set_attribute,
697 firebird_stmt_get_attribute,
698 NULL, /* get_column_meta_func */
699 NULL, /* next_rowset_func */
700 firebird_stmt_cursor_closer
701 };
702 /* }}} */
703
704 /*
705 * Local variables:
706 * tab-width: 4
707 * c-basic-offset: 4
708 * End:
709 * vim600: noet sw=4 ts=4 fdm=marker
710 * vim<600: noet sw=4 ts=4
711 */
712