1 /*
2 +----------------------------------------------------------------------+
3 | PHP Version 7 |
4 +----------------------------------------------------------------------+
5 | Copyright (c) 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: George Schlossnagle <george@omniti.com> |
16 | Wez Furlong <wez@php.net> |
17 | Johannes Schlueter <johannes@mysql.com> |
18 +----------------------------------------------------------------------+
19 */
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_mysql.h"
31 #include "php_pdo_mysql_int.h"
32
33 #ifdef PDO_USE_MYSQLND
34 # define pdo_mysql_stmt_execute_prepared(stmt) pdo_mysql_stmt_execute_prepared_mysqlnd(stmt)
35 # define pdo_free_bound_result(res) zval_ptr_dtor(res.zv)
36 #else
37 # define pdo_mysql_stmt_execute_prepared(stmt) pdo_mysql_stmt_execute_prepared_libmysql(stmt)
38 # define pdo_free_bound_result(res) efree(res.buffer)
39 #endif
40
41
42
pdo_mysql_stmt_dtor(pdo_stmt_t * stmt)43 static int pdo_mysql_stmt_dtor(pdo_stmt_t *stmt) /* {{{ */
44 {
45 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
46
47 PDO_DBG_ENTER("pdo_mysql_stmt_dtor");
48 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
49 if (S->result) {
50 /* free the resource */
51 mysql_free_result(S->result);
52 S->result = NULL;
53 }
54 if (S->einfo.errmsg) {
55 pefree(S->einfo.errmsg, stmt->dbh->is_persistent);
56 S->einfo.errmsg = NULL;
57 }
58 if (S->stmt) {
59 mysql_stmt_close(S->stmt);
60 S->stmt = NULL;
61 }
62
63 #ifndef PDO_USE_MYSQLND
64 if (S->params) {
65 efree(S->params);
66 }
67 if (S->in_null) {
68 efree(S->in_null);
69 }
70 if (S->in_length) {
71 efree(S->in_length);
72 }
73
74 if (S->bound_result)
75 {
76 int i;
77 for (i = 0; i < stmt->column_count; i++) {
78 pdo_free_bound_result(S->bound_result[i]);
79 }
80
81 efree(S->bound_result);
82 efree(S->out_null);
83 efree(S->out_length);
84 }
85 #endif
86
87 if (!Z_ISUNDEF(stmt->database_object_handle)
88 && IS_OBJ_VALID(EG(objects_store).object_buckets[Z_OBJ_HANDLE(stmt->database_object_handle)])
89 && (!(OBJ_FLAGS(Z_OBJ(stmt->database_object_handle)) & IS_OBJ_FREE_CALLED))) {
90 while (mysql_more_results(S->H->server)) {
91 MYSQL_RES *res;
92 if (mysql_next_result(S->H->server) != 0) {
93 break;
94 }
95
96 res = mysql_store_result(S->H->server);
97 if (res) {
98 mysql_free_result(res);
99 }
100 }
101 }
102
103 #if PDO_USE_MYSQLND
104 if (!S->stmt && S->current_data) {
105 mnd_free(S->current_data);
106 }
107 #endif /* PDO_USE_MYSQLND */
108
109 efree(S);
110 PDO_DBG_RETURN(1);
111 }
112 /* }}} */
113
pdo_mysql_stmt_set_row_count(pdo_stmt_t * stmt)114 static void pdo_mysql_stmt_set_row_count(pdo_stmt_t *stmt) /* {{{ */
115 {
116 zend_long row_count;
117 pdo_mysql_stmt *S = stmt->driver_data;
118 row_count = (zend_long) mysql_stmt_affected_rows(S->stmt);
119 if (row_count != (zend_long)-1) {
120 stmt->row_count = row_count;
121 }
122 }
123 /* }}} */
124
pdo_mysql_fill_stmt_from_result(pdo_stmt_t * stmt)125 static int pdo_mysql_fill_stmt_from_result(pdo_stmt_t *stmt) /* {{{ */
126 {
127 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
128 pdo_mysql_db_handle *H = S->H;
129 my_ulonglong row_count;
130 PDO_DBG_ENTER("pdo_mysql_fill_stmt_from_result");
131
132 row_count = mysql_affected_rows(H->server);
133 if (row_count == (my_ulonglong)-1) {
134 /* we either have a query that returned a result set or an error occurred
135 lets see if we have access to a result set */
136 if (!H->buffered) {
137 S->result = mysql_use_result(H->server);
138 } else {
139 S->result = mysql_store_result(H->server);
140 }
141 if (NULL == S->result) {
142 pdo_mysql_error_stmt(stmt);
143 PDO_DBG_RETURN(0);
144 }
145
146 stmt->row_count = (zend_long) mysql_num_rows(S->result);
147 stmt->column_count = (int) mysql_num_fields(S->result);
148 S->fields = mysql_fetch_fields(S->result);
149 } else {
150 /* this was a DML or DDL query (INSERT, UPDATE, DELETE, ... */
151 stmt->row_count = (zend_long) row_count;
152 }
153
154 PDO_DBG_RETURN(1);
155 }
156 /* }}} */
157
158 #ifndef PDO_USE_MYSQLND
pdo_mysql_stmt_execute_prepared_libmysql(pdo_stmt_t * stmt)159 static int pdo_mysql_stmt_execute_prepared_libmysql(pdo_stmt_t *stmt) /* {{{ */
160 {
161 pdo_mysql_stmt *S = stmt->driver_data;
162 pdo_mysql_db_handle *H = S->H;
163
164 PDO_DBG_ENTER("pdo_mysql_stmt_execute_prepared_libmysql");
165
166 /* (re)bind the parameters */
167 if (mysql_stmt_bind_param(S->stmt, S->params) || mysql_stmt_execute(S->stmt)) {
168 if (S->params) {
169 memset(S->params, 0, S->num_params * sizeof(MYSQL_BIND));
170 }
171 pdo_mysql_error_stmt(stmt);
172 if (mysql_stmt_errno(S->stmt) == 2057) {
173 /* CR_NEW_STMT_METADATA makes the statement unusable */
174 S->stmt = NULL;
175 }
176 PDO_DBG_RETURN(0);
177 }
178
179 if (!S->result) {
180 int i;
181
182 /* figure out the result set format, if any */
183 S->result = mysql_stmt_result_metadata(S->stmt);
184 if (S->result) {
185 int calc_max_length = H->buffered && S->max_length == 1;
186 S->fields = mysql_fetch_fields(S->result);
187 if (S->bound_result) {
188 int i;
189 for (i = 0; i < stmt->column_count; i++) {
190 efree(S->bound_result[i].buffer);
191 }
192 efree(S->bound_result);
193 efree(S->out_null);
194 efree(S->out_length);
195 }
196
197 stmt->column_count = (int)mysql_num_fields(S->result);
198 S->bound_result = ecalloc(stmt->column_count, sizeof(MYSQL_BIND));
199 S->out_null = ecalloc(stmt->column_count, sizeof(my_bool));
200 S->out_length = ecalloc(stmt->column_count, sizeof(zend_ulong));
201
202 /* summon memory to hold the row */
203 for (i = 0; i < stmt->column_count; i++) {
204 if (calc_max_length && S->fields[i].type == FIELD_TYPE_BLOB) {
205 my_bool on = 1;
206 mysql_stmt_attr_set(S->stmt, STMT_ATTR_UPDATE_MAX_LENGTH, &on);
207 calc_max_length = 0;
208 }
209 switch (S->fields[i].type) {
210 case FIELD_TYPE_INT24:
211 S->bound_result[i].buffer_length = MAX_MEDIUMINT_WIDTH + 1;
212 break;
213 case FIELD_TYPE_LONG:
214 S->bound_result[i].buffer_length = MAX_INT_WIDTH + 1;
215 break;
216 case FIELD_TYPE_LONGLONG:
217 S->bound_result[i].buffer_length = MAX_BIGINT_WIDTH + 1;
218 break;
219 case FIELD_TYPE_TINY:
220 S->bound_result[i].buffer_length = MAX_TINYINT_WIDTH + 1;
221 break;
222 case FIELD_TYPE_SHORT:
223 S->bound_result[i].buffer_length = MAX_SMALLINT_WIDTH + 1;
224 break;
225 default:
226 S->bound_result[i].buffer_length =
227 S->fields[i].max_length? S->fields[i].max_length:
228 S->fields[i].length;
229 /* work-around for longtext and alike */
230 if (S->bound_result[i].buffer_length > H->max_buffer_size) {
231 S->bound_result[i].buffer_length = H->max_buffer_size;
232 }
233 }
234
235 /* there are cases where the length reported by mysql is too short.
236 * eg: when describing a table that contains an enum column. Since
237 * we have no way of knowing the true length either, we'll bump up
238 * our buffer size to a reasonable size, just in case */
239 if (S->fields[i].max_length == 0 && S->bound_result[i].buffer_length < 128 && MYSQL_TYPE_VAR_STRING) {
240 S->bound_result[i].buffer_length = 128;
241 }
242
243 S->out_length[i] = 0;
244
245 S->bound_result[i].buffer = emalloc(S->bound_result[i].buffer_length);
246 S->bound_result[i].is_null = &S->out_null[i];
247 S->bound_result[i].length = &S->out_length[i];
248 S->bound_result[i].buffer_type = MYSQL_TYPE_STRING;
249 }
250
251 if (mysql_stmt_bind_result(S->stmt, S->bound_result)) {
252 pdo_mysql_error_stmt(stmt);
253 PDO_DBG_RETURN(0);
254 }
255
256 /* if buffered, pre-fetch all the data */
257 if (H->buffered) {
258 if (mysql_stmt_store_result(S->stmt)) {
259 pdo_mysql_error_stmt(stmt);
260 PDO_DBG_RETURN(0);
261 }
262 }
263 }
264 }
265
266 pdo_mysql_stmt_set_row_count(stmt);
267 PDO_DBG_RETURN(1);
268 }
269 /* }}} */
270 #endif
271
272 #ifdef PDO_USE_MYSQLND
pdo_mysql_stmt_execute_prepared_mysqlnd(pdo_stmt_t * stmt)273 static int pdo_mysql_stmt_execute_prepared_mysqlnd(pdo_stmt_t *stmt) /* {{{ */
274 {
275 pdo_mysql_stmt *S = stmt->driver_data;
276 pdo_mysql_db_handle *H = S->H;
277 int i;
278
279 PDO_DBG_ENTER("pdo_mysql_stmt_execute_prepared_mysqlnd");
280
281 if (mysql_stmt_execute(S->stmt)) {
282 pdo_mysql_error_stmt(stmt);
283 PDO_DBG_RETURN(0);
284 }
285
286 if (S->result) {
287 /* TODO: add a test to check if we really have zvals here... */
288 mysql_free_result(S->result);
289 S->result = NULL;
290 }
291
292 /* for SHOW/DESCRIBE and others the column/field count is not available before execute */
293 stmt->column_count = mysql_stmt_field_count(S->stmt);
294 for (i = 0; i < stmt->column_count; i++) {
295 mysqlnd_stmt_bind_one_result(S->stmt, i);
296 }
297
298 S->result = mysqlnd_stmt_result_metadata(S->stmt);
299 if (S->result) {
300 S->fields = mysql_fetch_fields(S->result);
301 /* if buffered, pre-fetch all the data */
302 if (H->buffered) {
303 if (mysql_stmt_store_result(S->stmt)) {
304 pdo_mysql_error_stmt(stmt);
305 PDO_DBG_RETURN(0);
306 }
307 }
308 }
309
310 pdo_mysql_stmt_set_row_count(stmt);
311 PDO_DBG_RETURN(1);
312 }
313 /* }}} */
314 #endif
315
pdo_mysql_stmt_execute(pdo_stmt_t * stmt)316 static int pdo_mysql_stmt_execute(pdo_stmt_t *stmt) /* {{{ */
317 {
318 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
319 pdo_mysql_db_handle *H = S->H;
320 PDO_DBG_ENTER("pdo_mysql_stmt_execute");
321 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
322
323 if (S->stmt) {
324 PDO_DBG_RETURN(pdo_mysql_stmt_execute_prepared(stmt));
325 }
326
327 /* ensure that we free any previous unfetched results */
328 if (S->result) {
329 mysql_free_result(S->result);
330 S->result = NULL;
331 }
332
333 if (mysql_real_query(H->server, stmt->active_query_string, stmt->active_query_stringlen) != 0) {
334 pdo_mysql_error_stmt(stmt);
335 PDO_DBG_RETURN(0);
336 }
337
338 PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt));
339 }
340 /* }}} */
341
pdo_mysql_stmt_next_rowset(pdo_stmt_t * stmt)342 static int pdo_mysql_stmt_next_rowset(pdo_stmt_t *stmt) /* {{{ */
343 {
344 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
345 pdo_mysql_db_handle *H = S->H;
346 #if PDO_USE_MYSQLND
347 zend_long row_count;
348 #endif
349 PDO_DBG_ENTER("pdo_mysql_stmt_next_rowset");
350 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
351
352 #if PDO_USE_MYSQLND
353 if (S->stmt) {
354 if (!mysqlnd_stmt_more_results(S->stmt)) {
355 PDO_DBG_RETURN(0);
356 }
357 if (mysqlnd_stmt_next_result(S->stmt)) {
358 pdo_mysql_error_stmt(stmt);
359 PDO_DBG_RETURN(0);
360 }
361
362 if (!mysqlnd_stmt_more_results(S->stmt)) {
363 /*
364 MySQL gives us n + 1 result sets for
365 CALL proc() and n result sets returned by the proc itself.
366 Result set n + 1 is about the procedure call itself.
367 As the PDO emulation does not return it, we skip it as well
368 */
369 PDO_DBG_RETURN(0);
370 }
371
372 /* TODO - this code is stolen from execute() - see above */
373 if (S->result) {
374 mysql_free_result(S->result);
375 S->result = NULL;
376 }
377 {
378 /* for SHOW/DESCRIBE and others the column/field count is not available before execute */
379 int i;
380
381 stmt->column_count = mysql_stmt_field_count(S->stmt);
382 for (i = 0; i < stmt->column_count; i++) {
383 mysqlnd_stmt_bind_one_result(S->stmt, i);
384 }
385 }
386
387 S->result = mysqlnd_stmt_result_metadata(S->stmt);
388 if (S->result) {
389 S->fields = mysql_fetch_fields(S->result);
390
391 /* if buffered, pre-fetch all the data */
392 if (H->buffered) {
393 if (mysql_stmt_store_result(S->stmt)) {
394 pdo_mysql_error_stmt(stmt);
395 PDO_DBG_RETURN(0);
396 }
397 }
398 }
399 row_count = (zend_long) mysql_stmt_affected_rows(S->stmt);
400 if (row_count != (zend_long)-1) {
401 stmt->row_count = row_count;
402 }
403 PDO_DBG_RETURN(1);
404 }
405 #endif
406
407 /* ensure that we free any previous unfetched results */
408 #ifndef PDO_USE_MYSQLND
409 if (S->stmt) {
410 if (S->result) {
411 stmt->column_count = (int)mysql_num_fields(S->result);
412 }
413 mysql_stmt_free_result(S->stmt);
414 }
415 #endif
416 if (S->result) {
417 mysql_free_result(S->result);
418 S->result = NULL;
419 }
420
421 if (!mysql_more_results(H->server)) {
422 /* No more results */
423 PDO_DBG_RETURN(0);
424 }
425 #if PDO_USE_MYSQLND
426 if (mysql_next_result(H->server) == FAIL) {
427 pdo_mysql_error_stmt(stmt);
428 PDO_DBG_RETURN(0);
429 } else {
430 PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt));
431 }
432 #else
433 if (mysql_next_result(H->server) > 0) {
434 pdo_mysql_error_stmt(stmt);
435 PDO_DBG_RETURN(0);
436 } else {
437 PDO_DBG_RETURN(pdo_mysql_fill_stmt_from_result(stmt));
438 }
439 #endif
440 }
441 /* }}} */
442
443
444 static const char * const pdo_param_event_names[] =
445 {
446 "PDO_PARAM_EVT_ALLOC",
447 "PDO_PARAM_EVT_FREE",
448 "PDO_PARAM_EVT_EXEC_PRE",
449 "PDO_PARAM_EVT_EXEC_POST",
450 "PDO_PARAM_EVT_FETCH_PRE",
451 "PDO_PARAM_EVT_FETCH_POST",
452 "PDO_PARAM_EVT_NORMALIZE",
453 };
454
455
pdo_mysql_stmt_param_hook(pdo_stmt_t * stmt,struct pdo_bound_param_data * param,enum pdo_param_event event_type)456 static int pdo_mysql_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param, enum pdo_param_event event_type) /* {{{ */
457 {
458 zval *parameter;
459 #ifndef PDO_USE_MYSQLND
460 PDO_MYSQL_PARAM_BIND *b;
461 #endif
462 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
463
464 PDO_DBG_ENTER("pdo_mysql_stmt_param_hook");
465 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
466 PDO_DBG_INF_FMT("event = %s", pdo_param_event_names[event_type]);
467 if (S->stmt && param->is_param) {
468 switch (event_type) {
469 case PDO_PARAM_EVT_ALLOC:
470 /* sanity check parameter number range */
471 if (param->paramno < 0 || param->paramno >= S->num_params) {
472 strcpy(stmt->error_code, "HY093");
473 PDO_DBG_RETURN(0);
474 }
475 S->params_given++;
476
477 #ifndef PDO_USE_MYSQLND
478 b = &S->params[param->paramno];
479 param->driver_data = b;
480 b->is_null = &S->in_null[param->paramno];
481 b->length = &S->in_length[param->paramno];
482 /* recall how many parameters have been provided */
483 #endif
484 PDO_DBG_RETURN(1);
485
486 case PDO_PARAM_EVT_EXEC_PRE:
487 if (S->params_given < (unsigned int) S->num_params) {
488 /* too few parameter bound */
489 PDO_DBG_ERR("too few parameters bound");
490 strcpy(stmt->error_code, "HY093");
491 PDO_DBG_RETURN(0);
492 }
493
494 if (!Z_ISREF(param->parameter)) {
495 parameter = ¶m->parameter;
496 } else {
497 parameter = Z_REFVAL(param->parameter);
498 }
499
500 #if PDO_USE_MYSQLND
501 if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL || (Z_TYPE_P(parameter) == IS_NULL)) {
502 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_NULL);
503 PDO_DBG_RETURN(1);
504 }
505 #else
506 b = (PDO_MYSQL_PARAM_BIND*)param->driver_data;
507 *b->is_null = 0;
508 if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL || Z_TYPE_P(parameter) == IS_NULL) {
509 *b->is_null = 1;
510 b->buffer_type = MYSQL_TYPE_STRING;
511 b->buffer = NULL;
512 b->buffer_length = 0;
513 *b->length = 0;
514 PDO_DBG_RETURN(1);
515 }
516 #endif /* PDO_USE_MYSQLND */
517
518 switch (PDO_PARAM_TYPE(param->param_type)) {
519 case PDO_PARAM_STMT:
520 PDO_DBG_RETURN(0);
521 case PDO_PARAM_LOB:
522 PDO_DBG_INF("PDO_PARAM_LOB");
523 if (!Z_ISREF(param->parameter)) {
524 parameter = ¶m->parameter;
525 } else {
526 parameter = Z_REFVAL(param->parameter);
527 }
528 if (Z_TYPE_P(parameter) == IS_RESOURCE) {
529 php_stream *stm = NULL;
530 php_stream_from_zval_no_verify(stm, parameter);
531 if (stm) {
532 zend_string *mem = php_stream_copy_to_mem(stm, PHP_STREAM_COPY_ALL, 0);
533 zval_ptr_dtor(parameter);
534 ZVAL_STR(parameter, mem ? mem : ZSTR_EMPTY_ALLOC());
535 } else {
536 pdo_raise_impl_error(stmt->dbh, stmt, "HY105", "Expected a stream resource");
537 return 0;
538 }
539 }
540 /* fall through */
541
542 default:
543 ;
544 }
545
546 #if PDO_USE_MYSQLND
547 /* Is it really correct to check the zval's type? - But well, that's what the old code below does, too */
548 PDO_DBG_INF_FMT("param->parameter->type=%d", Z_TYPE(param->parameter));
549 if (!Z_ISREF(param->parameter)) {
550 parameter = ¶m->parameter;
551 } else {
552 parameter = Z_REFVAL(param->parameter);
553 }
554 switch (Z_TYPE_P(parameter)) {
555 case IS_STRING:
556 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_VAR_STRING);
557 break;
558 case IS_LONG:
559 #if SIZEOF_ZEND_LONG==8
560 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_LONGLONG);
561 #elif SIZEOF_ZEND_LONG==4
562 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_LONG);
563 #endif /* SIZEOF_LONG */
564 break;
565 case IS_TRUE:
566 case IS_FALSE:
567 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_TINY);
568 break;
569 case IS_DOUBLE:
570 mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, parameter, MYSQL_TYPE_DOUBLE);
571 break;
572 default:
573 PDO_DBG_RETURN(0);
574 }
575
576 PDO_DBG_RETURN(1);
577 #else
578 PDO_DBG_INF_FMT("param->parameter->type=%d", Z_TYPE(param->parameter));
579 if (!Z_ISREF(param->parameter)) {
580 parameter = ¶m->parameter;
581 } else {
582 parameter = Z_REFVAL(param->parameter);
583 }
584 switch (Z_TYPE_P(parameter)) {
585 case IS_STRING:
586 b->buffer_type = MYSQL_TYPE_STRING;
587 b->buffer = Z_STRVAL_P(parameter);
588 b->buffer_length = Z_STRLEN_P(parameter);
589 *b->length = Z_STRLEN_P(parameter);
590 PDO_DBG_RETURN(1);
591
592 case IS_LONG:
593 b->buffer_type = MYSQL_TYPE_LONG;
594 b->buffer = &Z_LVAL_P(parameter);
595 PDO_DBG_RETURN(1);
596
597 case IS_DOUBLE:
598 b->buffer_type = MYSQL_TYPE_DOUBLE;
599 b->buffer = &Z_DVAL_P(parameter);
600 PDO_DBG_RETURN(1);
601
602 default:
603 PDO_DBG_RETURN(0);
604 }
605 #endif /* PDO_USE_MYSQLND */
606 case PDO_PARAM_EVT_FREE:
607 case PDO_PARAM_EVT_EXEC_POST:
608 case PDO_PARAM_EVT_FETCH_PRE:
609 case PDO_PARAM_EVT_FETCH_POST:
610 case PDO_PARAM_EVT_NORMALIZE:
611 /* do nothing */
612 break;
613 }
614 }
615
616 PDO_DBG_RETURN(1);
617 }
618 /* }}} */
619
pdo_mysql_stmt_fetch(pdo_stmt_t * stmt,enum pdo_fetch_orientation ori,zend_long offset)620 static int pdo_mysql_stmt_fetch(pdo_stmt_t *stmt, enum pdo_fetch_orientation ori, zend_long offset) /* {{{ */
621 {
622 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
623
624 if (!S->result) {
625 PDO_DBG_RETURN(0);
626 }
627
628 #ifdef PDO_USE_MYSQLND
629 zend_bool fetched_anything;
630
631 PDO_DBG_ENTER("pdo_mysql_stmt_fetch");
632 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
633 if (S->stmt) {
634 if (FAIL == mysqlnd_stmt_fetch(S->stmt, &fetched_anything) || fetched_anything == FALSE) {
635 pdo_mysql_error_stmt(stmt);
636 PDO_DBG_RETURN(0);
637 }
638
639 PDO_DBG_RETURN(1);
640 }
641
642 if (!S->stmt && S->current_data) {
643 mnd_free(S->current_data);
644 }
645 #else
646 int ret;
647
648 if (S->stmt) {
649 ret = mysql_stmt_fetch(S->stmt);
650
651 # ifdef MYSQL_DATA_TRUNCATED
652 if (ret == MYSQL_DATA_TRUNCATED) {
653 ret = 0;
654 }
655 # endif
656
657 if (ret) {
658 if (ret != MYSQL_NO_DATA) {
659 pdo_mysql_error_stmt(stmt);
660 }
661 PDO_DBG_RETURN(0);
662 }
663
664 PDO_DBG_RETURN(1);
665 }
666 #endif /* PDO_USE_MYSQLND */
667
668 if ((S->current_data = mysql_fetch_row(S->result)) == NULL) {
669 if (!S->H->buffered && mysql_errno(S->H->server)) {
670 pdo_mysql_error_stmt(stmt);
671 }
672 PDO_DBG_RETURN(0);
673 }
674
675 S->current_lengths = mysql_fetch_lengths(S->result);
676 PDO_DBG_RETURN(1);
677 }
678 /* }}} */
679
pdo_mysql_stmt_describe(pdo_stmt_t * stmt,int colno)680 static int pdo_mysql_stmt_describe(pdo_stmt_t *stmt, int colno) /* {{{ */
681 {
682 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
683 struct pdo_column_data *cols = stmt->columns;
684 int i;
685
686 PDO_DBG_ENTER("pdo_mysql_stmt_describe");
687 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
688 if (!S->result) {
689 PDO_DBG_RETURN(0);
690 }
691
692 if (colno >= stmt->column_count) {
693 /* error invalid column */
694 PDO_DBG_RETURN(0);
695 }
696
697 /* fetch all on demand, this seems easiest
698 ** if we've been here before bail out
699 */
700 if (cols[0].name) {
701 PDO_DBG_RETURN(1);
702 }
703 for (i = 0; i < stmt->column_count; i++) {
704
705 if (S->H->fetch_table_names) {
706 cols[i].name = strpprintf(0, "%s.%s", S->fields[i].table, S->fields[i].name);
707 } else {
708 cols[i].name = zend_string_init(S->fields[i].name, S->fields[i].name_length, 0);
709 }
710
711 cols[i].precision = S->fields[i].decimals;
712 cols[i].maxlen = S->fields[i].length;
713
714 #ifdef PDO_USE_MYSQLND
715 if (S->stmt) {
716 cols[i].param_type = PDO_PARAM_ZVAL;
717 } else
718 #endif
719 {
720 cols[i].param_type = PDO_PARAM_STR;
721 }
722 }
723 PDO_DBG_RETURN(1);
724 }
725 /* }}} */
726
pdo_mysql_stmt_get_col(pdo_stmt_t * stmt,int colno,char ** ptr,size_t * len,int * caller_frees)727 static int pdo_mysql_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, size_t *len, int *caller_frees) /* {{{ */
728 {
729 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
730
731 PDO_DBG_ENTER("pdo_mysql_stmt_get_col");
732 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
733 if (!S->result) {
734 PDO_DBG_RETURN(0);
735 }
736
737 /* With mysqlnd data is stored inside mysqlnd, not S->current_data */
738 if (!S->stmt) {
739 if (S->current_data == NULL || !S->result) {
740 PDO_DBG_RETURN(0);
741 }
742 }
743
744 if (colno >= stmt->column_count) {
745 /* error invalid column */
746 PDO_DBG_RETURN(0);
747 }
748 #if PDO_USE_MYSQLND
749 if (S->stmt) {
750 Z_TRY_ADDREF(S->stmt->data->result_bind[colno].zv);
751 *ptr = (char*)&S->stmt->data->result_bind[colno].zv;
752 *len = sizeof(zval);
753 PDO_DBG_RETURN(1);
754 }
755 #else
756 if (S->stmt) {
757 if (S->out_null[colno]) {
758 *ptr = NULL;
759 *len = 0;
760 PDO_DBG_RETURN(1);
761 }
762 *ptr = S->bound_result[colno].buffer;
763 if (S->out_length[colno] > S->bound_result[colno].buffer_length) {
764 /* mysql lied about the column width */
765 strcpy(stmt->error_code, "01004"); /* truncated */
766 S->out_length[colno] = S->bound_result[colno].buffer_length;
767 *len = S->out_length[colno];
768 PDO_DBG_RETURN(0);
769 }
770 *len = S->out_length[colno];
771 PDO_DBG_RETURN(1);
772 }
773 #endif
774 *ptr = S->current_data[colno];
775 *len = S->current_lengths[colno];
776 PDO_DBG_RETURN(1);
777 } /* }}} */
778
type_to_name_native(int type)779 static char *type_to_name_native(int type) /* {{{ */
780 {
781 #define PDO_MYSQL_NATIVE_TYPE_NAME(x) case FIELD_TYPE_##x: return #x;
782
783 switch (type) {
784 PDO_MYSQL_NATIVE_TYPE_NAME(STRING)
785 PDO_MYSQL_NATIVE_TYPE_NAME(VAR_STRING)
786 #ifdef FIELD_TYPE_TINY
787 PDO_MYSQL_NATIVE_TYPE_NAME(TINY)
788 #endif
789 #ifdef FIELD_TYPE_BIT
790 PDO_MYSQL_NATIVE_TYPE_NAME(BIT)
791 #endif
792 PDO_MYSQL_NATIVE_TYPE_NAME(SHORT)
793 PDO_MYSQL_NATIVE_TYPE_NAME(LONG)
794 PDO_MYSQL_NATIVE_TYPE_NAME(LONGLONG)
795 PDO_MYSQL_NATIVE_TYPE_NAME(INT24)
796 PDO_MYSQL_NATIVE_TYPE_NAME(FLOAT)
797 PDO_MYSQL_NATIVE_TYPE_NAME(DOUBLE)
798 PDO_MYSQL_NATIVE_TYPE_NAME(DECIMAL)
799 #ifdef FIELD_TYPE_NEWDECIMAL
800 PDO_MYSQL_NATIVE_TYPE_NAME(NEWDECIMAL)
801 #endif
802 #ifdef FIELD_TYPE_GEOMETRY
803 PDO_MYSQL_NATIVE_TYPE_NAME(GEOMETRY)
804 #endif
805 PDO_MYSQL_NATIVE_TYPE_NAME(TIMESTAMP)
806 #ifdef FIELD_TYPE_YEAR
807 PDO_MYSQL_NATIVE_TYPE_NAME(YEAR)
808 #endif
809 PDO_MYSQL_NATIVE_TYPE_NAME(SET)
810 PDO_MYSQL_NATIVE_TYPE_NAME(ENUM)
811 PDO_MYSQL_NATIVE_TYPE_NAME(DATE)
812 #ifdef FIELD_TYPE_NEWDATE
813 PDO_MYSQL_NATIVE_TYPE_NAME(NEWDATE)
814 #endif
815 PDO_MYSQL_NATIVE_TYPE_NAME(TIME)
816 PDO_MYSQL_NATIVE_TYPE_NAME(DATETIME)
817 PDO_MYSQL_NATIVE_TYPE_NAME(TINY_BLOB)
818 PDO_MYSQL_NATIVE_TYPE_NAME(MEDIUM_BLOB)
819 PDO_MYSQL_NATIVE_TYPE_NAME(LONG_BLOB)
820 PDO_MYSQL_NATIVE_TYPE_NAME(BLOB)
821 PDO_MYSQL_NATIVE_TYPE_NAME(NULL)
822 default:
823 return NULL;
824 }
825 #undef PDO_MYSQL_NATIVE_TYPE_NAME
826 } /* }}} */
827
pdo_mysql_stmt_col_meta(pdo_stmt_t * stmt,zend_long colno,zval * return_value)828 static int pdo_mysql_stmt_col_meta(pdo_stmt_t *stmt, zend_long colno, zval *return_value) /* {{{ */
829 {
830 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
831 const MYSQL_FIELD *F;
832 zval flags;
833 char *str;
834
835 PDO_DBG_ENTER("pdo_mysql_stmt_col_meta");
836 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
837 if (!S->result) {
838 PDO_DBG_RETURN(FAILURE);
839 }
840 if (colno >= stmt->column_count) {
841 /* error invalid column */
842 PDO_DBG_RETURN(FAILURE);
843 }
844
845 array_init(return_value);
846 array_init(&flags);
847
848 F = S->fields + colno;
849
850 if (F->def) {
851 add_assoc_string(return_value, "mysql:def", F->def);
852 }
853 if (IS_NOT_NULL(F->flags)) {
854 add_next_index_string(&flags, "not_null");
855 }
856 if (IS_PRI_KEY(F->flags)) {
857 add_next_index_string(&flags, "primary_key");
858 }
859 if (F->flags & MULTIPLE_KEY_FLAG) {
860 add_next_index_string(&flags, "multiple_key");
861 }
862 if (F->flags & UNIQUE_KEY_FLAG) {
863 add_next_index_string(&flags, "unique_key");
864 }
865 if (IS_BLOB(F->flags)) {
866 add_next_index_string(&flags, "blob");
867 }
868 str = type_to_name_native(F->type);
869 if (str) {
870 add_assoc_string(return_value, "native_type", str);
871 }
872
873 #ifdef PDO_USE_MYSQLND
874 switch (F->type) {
875 case MYSQL_TYPE_BIT:
876 case MYSQL_TYPE_YEAR:
877 case MYSQL_TYPE_TINY:
878 case MYSQL_TYPE_SHORT:
879 case MYSQL_TYPE_INT24:
880 case MYSQL_TYPE_LONG:
881 #if SIZEOF_ZEND_LONG==8
882 case MYSQL_TYPE_LONGLONG:
883 #endif
884 add_assoc_long(return_value, "pdo_type", PDO_PARAM_INT);
885 break;
886 default:
887 add_assoc_long(return_value, "pdo_type", PDO_PARAM_STR);
888 break;
889 }
890 #endif
891
892 add_assoc_zval(return_value, "flags", &flags);
893 add_assoc_string(return_value, "table", (char *) (F->table?F->table : ""));
894
895 PDO_DBG_RETURN(SUCCESS);
896 } /* }}} */
897
pdo_mysql_stmt_cursor_closer(pdo_stmt_t * stmt)898 static int pdo_mysql_stmt_cursor_closer(pdo_stmt_t *stmt) /* {{{ */
899 {
900 pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
901
902 PDO_DBG_ENTER("pdo_mysql_stmt_cursor_closer");
903 PDO_DBG_INF_FMT("stmt=%p", S->stmt);
904 if (S->result) {
905 mysql_free_result(S->result);
906 S->result = NULL;
907 }
908 if (S->stmt) {
909 int retval;
910 retval = mysql_stmt_free_result(S->stmt);
911 PDO_DBG_RETURN(retval ? 0 : 1);
912 }
913
914 while (mysql_more_results(S->H->server)) {
915 MYSQL_RES *res;
916 if (mysql_next_result(S->H->server) != 0) {
917 break;
918 }
919 res = mysql_store_result(S->H->server);
920 if (res) {
921 mysql_free_result(res);
922 }
923 }
924 PDO_DBG_RETURN(1);
925 }
926 /* }}} */
927
928 const struct pdo_stmt_methods mysql_stmt_methods = {
929 pdo_mysql_stmt_dtor,
930 pdo_mysql_stmt_execute,
931 pdo_mysql_stmt_fetch,
932 pdo_mysql_stmt_describe,
933 pdo_mysql_stmt_get_col,
934 pdo_mysql_stmt_param_hook,
935 NULL, /* set_attr */
936 NULL, /* get_attr */
937 pdo_mysql_stmt_col_meta,
938 pdo_mysql_stmt_next_rowset,
939 pdo_mysql_stmt_cursor_closer
940 };
941
