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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: George Schlossnagle <george@omniti.com> |
16: | Wez Furlong <wez@php.net> |
17: | Johannes Schlueter <johannes@mysql.com> |
18: +----------------------------------------------------------------------+
19: */
20:
21: /* $Id: mysql_statement.c 321634 2012-01-01 13:15:04Z felipe $ */
22:
23: #ifdef HAVE_CONFIG_H
24: #include "config.h"
25: #endif
26:
27: #include "php.h"
28: #include "php_ini.h"
29: #include "ext/standard/info.h"
30: #include "pdo/php_pdo.h"
31: #include "pdo/php_pdo_driver.h"
32: #include "php_pdo_mysql.h"
33: #include "php_pdo_mysql_int.h"
34:
35: #ifdef PDO_USE_MYSQLND
36: # define pdo_mysql_stmt_execute_prepared(stmt) pdo_mysql_stmt_execute_prepared_mysqlnd(stmt TSRMLS_CC)
37: # define pdo_free_bound_result(res) zval_dtor(res.zv)
38: # define pdo_mysql_stmt_close(stmt) mysqlnd_stmt_close(stmt, 0)
39: #else
40: # define pdo_mysql_stmt_execute_prepared(stmt) pdo_mysql_stmt_execute_prepared_libmysql(stmt TSRMLS_CC)
41: # define pdo_free_bound_result(res) efree(res.buffer)
42: # define pdo_mysql_stmt_close(stmt) mysql_stmt_close(stmt)
43: #endif
44:
45:
46:
47: static int pdo_mysql_stmt_dtor(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
48: {
49: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
50:
51: PDO_DBG_ENTER("pdo_mysql_stmt_dtor");
52: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
53: if (S->result) {
54: /* free the resource */
55: mysql_free_result(S->result);
56: S->result = NULL;
57: }
58: if (S->einfo.errmsg) {
59: pefree(S->einfo.errmsg, stmt->dbh->is_persistent);
60: S->einfo.errmsg = NULL;
61: }
62: #if HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND
63: if (S->stmt) {
64: pdo_mysql_stmt_close(S->stmt);
65: S->stmt = NULL;
66: }
67: #endif /* HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND */
68:
69: #ifndef PDO_USE_MYSQLND
70: if (S->params) {
71: efree(S->params);
72: }
73: if (S->in_null) {
74: efree(S->in_null);
75: }
76: if (S->in_length) {
77: efree(S->in_length);
78: }
79:
80: #endif /* PDO_USE_MYSQLND */
81:
82: #ifdef HAVE_MYSQL_STMT_PREPARE
83: if (S->bound_result)
84: {
85: int i;
86: for (i = 0; i < stmt->column_count; i++) {
87: pdo_free_bound_result(S->bound_result[i]);
88: }
89:
90: efree(S->bound_result);
91: efree(S->out_null);
92: efree(S->out_length);
93: }
94: #endif /* HAVE_MYSQL_STMT_PREPARE */
95:
96:
97: #if HAVE_MYSQL_NEXT_RESULT || PDO_USE_MYSQLND
98: if (S->H->server) {
99: while (mysql_more_results(S->H->server)) {
100: MYSQL_RES *res;
101: if (mysql_next_result(S->H->server) != 0) {
102: break;
103: }
104:
105: res = mysql_store_result(S->H->server);
106: if (res) {
107: mysql_free_result(res);
108: }
109: }
110: }
111: #endif /* HAVE_MYSQL_NEXT_RESULT || PDO_USE_MYSQLND */
112: #if PDO_USE_MYSQLND
113: if (!S->stmt && S->current_data) {
114: mnd_free(S->current_data);
115: }
116: #endif /* PDO_USE_MYSQLND */
117:
118: efree(S);
119: PDO_DBG_RETURN(1);
120: }
121: /* }}} */
122:
123: static void pdo_mysql_stmt_set_row_count(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
124: {
125: long row_count;
126: pdo_mysql_stmt *S = stmt->driver_data;
127: row_count = (long) mysql_stmt_affected_rows(S->stmt);
128: if (row_count != (long)-1) {
129: stmt->row_count = row_count;
130: }
131: }
132: /* }}} */
133:
134: #ifdef HAVE_MYSQL_STMT_PREPARE
135: static int pdo_mysql_stmt_execute_prepared_libmysql(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
136: {
137: pdo_mysql_stmt *S = stmt->driver_data;
138: pdo_mysql_db_handle *H = S->H;
139:
140: PDO_DBG_ENTER("pdo_mysql_stmt_execute_prepared_libmysql");
141:
142: /* (re)bind the parameters */
143: if (mysql_stmt_bind_param(S->stmt, S->params) || mysql_stmt_execute(S->stmt)) {
144: if (S->params) {
145: memset(S->params, 0, S->num_params * sizeof(MYSQL_BIND));
146: }
147: pdo_mysql_error_stmt(stmt);
148: if (mysql_stmt_errno(S->stmt) == 2057) {
149: /* CR_NEW_STMT_METADATA makes the statement unusable */
150: S->stmt = NULL;
151: }
152: PDO_DBG_RETURN(0);
153: }
154:
155: if (!S->result) {
156: int i;
157:
158: /* figure out the result set format, if any */
159: S->result = mysql_stmt_result_metadata(S->stmt);
160: if (S->result) {
161: int calc_max_length = H->buffered && S->max_length == 1;
162: S->fields = mysql_fetch_fields(S->result);
163: if (S->bound_result) {
164: int i;
165: for (i = 0; i < stmt->column_count; i++) {
166: efree(S->bound_result[i].buffer);
167: }
168: efree(S->bound_result);
169: efree(S->out_null);
170: efree(S->out_length);
171: }
172:
173: stmt->column_count = (int)mysql_num_fields(S->result);
174: S->bound_result = ecalloc(stmt->column_count, sizeof(MYSQL_BIND));
175: S->out_null = ecalloc(stmt->column_count, sizeof(my_bool));
176: S->out_length = ecalloc(stmt->column_count, sizeof(unsigned long));
177:
178: /* summon memory to hold the row */
179: for (i = 0; i < stmt->column_count; i++) {
180: if (calc_max_length && S->fields[i].type == FIELD_TYPE_BLOB) {
181: my_bool on = 1;
182: mysql_stmt_attr_set(S->stmt, STMT_ATTR_UPDATE_MAX_LENGTH, &on);
183: calc_max_length = 0;
184: }
185: switch (S->fields[i].type) {
186: case FIELD_TYPE_INT24:
187: S->bound_result[i].buffer_length = MAX_MEDIUMINT_WIDTH + 1;
188: break;
189: case FIELD_TYPE_LONG:
190: S->bound_result[i].buffer_length = MAX_INT_WIDTH + 1;
191: break;
192: case FIELD_TYPE_LONGLONG:
193: S->bound_result[i].buffer_length = MAX_BIGINT_WIDTH + 1;
194: break;
195: case FIELD_TYPE_TINY:
196: S->bound_result[i].buffer_length = MAX_TINYINT_WIDTH + 1;
197: break;
198: case FIELD_TYPE_SHORT:
199: S->bound_result[i].buffer_length = MAX_SMALLINT_WIDTH + 1;
200: break;
201: default:
202: S->bound_result[i].buffer_length =
203: S->fields[i].max_length? S->fields[i].max_length:
204: S->fields[i].length;
205: /* work-around for longtext and alike */
206: if (S->bound_result[i].buffer_length > H->max_buffer_size) {
207: S->bound_result[i].buffer_length = H->max_buffer_size;
208: }
209: }
210:
211: /* there are cases where the length reported by mysql is too short.
212: * eg: when describing a table that contains an enum column. Since
213: * we have no way of knowing the true length either, we'll bump up
214: * our buffer size to a reasonable size, just in case */
215: if (S->fields[i].max_length == 0 && S->bound_result[i].buffer_length < 128 && MYSQL_TYPE_VAR_STRING) {
216: S->bound_result[i].buffer_length = 128;
217: }
218:
219: S->out_length[i] = 0;
220:
221: S->bound_result[i].buffer = emalloc(S->bound_result[i].buffer_length);
222: S->bound_result[i].is_null = &S->out_null[i];
223: S->bound_result[i].length = &S->out_length[i];
224: S->bound_result[i].buffer_type = MYSQL_TYPE_STRING;
225: }
226:
227: if (mysql_stmt_bind_result(S->stmt, S->bound_result)) {
228: pdo_mysql_error_stmt(stmt);
229: PDO_DBG_RETURN(0);
230: }
231:
232: /* if buffered, pre-fetch all the data */
233: if (H->buffered) {
234: mysql_stmt_store_result(S->stmt);
235: }
236: }
237: }
238:
239: pdo_mysql_stmt_set_row_count(stmt TSRMLS_CC);
240: PDO_DBG_RETURN(1);
241: }
242: /* }}} */
243: #endif
244:
245: #ifdef PDO_USE_MYSQLND
246: static int pdo_mysql_stmt_execute_prepared_mysqlnd(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
247: {
248: pdo_mysql_stmt *S = stmt->driver_data;
249: pdo_mysql_db_handle *H = S->H;
250: int i;
251:
252: PDO_DBG_ENTER("pdo_mysql_stmt_execute_prepared_mysqlnd");
253:
254: if (mysql_stmt_execute(S->stmt)) {
255: pdo_mysql_error_stmt(stmt);
256: PDO_DBG_RETURN(0);
257: }
258:
259: if (S->result) {
260: /* TODO: add a test to check if we really have zvals here... */
261: mysql_free_result(S->result);
262: S->result = NULL;
263: }
264:
265: /* for SHOW/DESCRIBE and others the column/field count is not available before execute */
266: stmt->column_count = mysql_stmt_field_count(S->stmt);
267: for (i = 0; i < stmt->column_count; i++) {
268: mysqlnd_stmt_bind_one_result(S->stmt, i);
269: }
270:
271: S->result = mysqlnd_stmt_result_metadata(S->stmt);
272: if (S->result) {
273: S->fields = mysql_fetch_fields(S->result);
274: /* if buffered, pre-fetch all the data */
275: if (H->buffered) {
276: if (mysql_stmt_store_result(S->stmt)) {
277: PDO_DBG_RETURN(0);
278: }
279: }
280: }
281:
282: pdo_mysql_stmt_set_row_count(stmt TSRMLS_CC);
283: PDO_DBG_RETURN(1);
284: }
285: /* }}} */
286: #endif
287:
288: static int pdo_mysql_stmt_execute(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
289: {
290: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
291: pdo_mysql_db_handle *H = S->H;
292: my_ulonglong row_count;
293: PDO_DBG_ENTER("pdo_mysql_stmt_execute");
294: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
295:
296: #if HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND
297: if (S->stmt) {
298: PDO_DBG_RETURN(pdo_mysql_stmt_execute_prepared(stmt));
299: }
300: #endif
301:
302: /* ensure that we free any previous unfetched results */
303: if (S->result) {
304: mysql_free_result(S->result);
305: S->result = NULL;
306: }
307:
308: if (mysql_real_query(H->server, stmt->active_query_string, stmt->active_query_stringlen) != 0) {
309: pdo_mysql_error_stmt(stmt);
310: PDO_DBG_RETURN(0);
311: }
312:
313: row_count = mysql_affected_rows(H->server);
314: if (row_count == (my_ulonglong)-1) {
315: /* we either have a query that returned a result set or an error occured
316: lets see if we have access to a result set */
317: if (!H->buffered) {
318: S->result = mysql_use_result(H->server);
319: } else {
320: S->result = mysql_store_result(H->server);
321: }
322: if (NULL == S->result) {
323: pdo_mysql_error_stmt(stmt);
324: PDO_DBG_RETURN(0);
325: }
326:
327: stmt->row_count = (long) mysql_num_rows(S->result);
328: stmt->column_count = (int) mysql_num_fields(S->result);
329: S->fields = mysql_fetch_fields(S->result);
330:
331: } else {
332: /* this was a DML or DDL query (INSERT, UPDATE, DELETE, ... */
333: stmt->row_count = (long) row_count;
334: }
335:
336: PDO_DBG_RETURN(1);
337: }
338: /* }}} */
339:
340: static int pdo_mysql_stmt_next_rowset(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
341: {
342: #if HAVE_MYSQL_NEXT_RESULT || PDO_USE_MYSQLND
343: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
344: pdo_mysql_db_handle *H = S->H;
345: long row_count;
346: int ret;
347: PDO_DBG_ENTER("pdo_mysql_stmt_next_rowset");
348: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
349:
350: #if PDO_USE_MYSQLND
351: if (!H->emulate_prepare) {
352: if (!mysqlnd_stmt_more_results(S->stmt)) {
353: PDO_DBG_RETURN(0);
354: }
355: if (mysqlnd_stmt_next_result(S->stmt)) {
356: PDO_DBG_RETURN(0);
357: }
358:
359: if (!mysqlnd_stmt_more_results(S->stmt)) {
360: /*
361: MySQL gives us n + 1 result sets for
362: CALL proc() and n result sets returned by the proc itself.
363: Result set n + 1 is about the procedure call itself.
364: As the PDO emulation does not return it, we skip it as well
365: */
366: PDO_DBG_RETURN(0);
367: }
368:
369: /* TODO - this code is stolen from execute() - see above */
370: if (S->result) {
371: mysql_free_result(S->result);
372: S->result = NULL;
373: }
374: {
375: /* for SHOW/DESCRIBE and others the column/field count is not available before execute */
376: int i;
377:
378: stmt->column_count = mysql_stmt_field_count(S->stmt);
379: for (i = 0; i < stmt->column_count; i++) {
380: mysqlnd_stmt_bind_one_result(S->stmt, i);
381: }
382: }
383:
384: S->result = mysqlnd_stmt_result_metadata(S->stmt);
385: if (S->result) {
386: S->fields = mysql_fetch_fields(S->result);
387:
388: /* if buffered, pre-fetch all the data */
389: if (H->buffered) {
390: if (mysql_stmt_store_result(S->stmt)) {
391: PDO_DBG_RETURN(1);
392: }
393: }
394: }
395: row_count = (long) mysql_stmt_affected_rows(S->stmt);
396: if (row_count != (long)-1) {
397: stmt->row_count = row_count;
398: }
399: PDO_DBG_RETURN(1);
400: }
401: #endif
402:
403: /* ensure that we free any previous unfetched results */
404: #if HAVE_MYSQL_STMT_PREPARE
405: if (S->stmt) {
406: stmt->column_count = (int)mysql_num_fields(S->result);
407: mysql_stmt_free_result(S->stmt);
408: }
409: #endif
410: if (S->result) {
411: mysql_free_result(S->result);
412: S->result = NULL;
413: }
414:
415: ret = mysql_next_result(H->server);
416:
417: if (ret > 0) {
418: pdo_mysql_error_stmt(stmt);
419: PDO_DBG_RETURN(0);
420: } else if (ret < 0) {
421: /* No more results */
422: PDO_DBG_RETURN(0);
423: } else {
424: if (!H->buffered) {
425: S->result = mysql_use_result(H->server);
426: row_count = 0;
427: } else {
428: S->result = mysql_store_result(H->server);
429: if ((long)-1 == (row_count = (long) mysql_affected_rows(H->server))) {
430: pdo_mysql_error_stmt(stmt);
431: PDO_DBG_RETURN(0);
432: }
433: }
434:
435: if (NULL == S->result) {
436: PDO_DBG_RETURN(0);
437: }
438:
439: stmt->row_count = row_count;
440: stmt->column_count = (int) mysql_num_fields(S->result);
441: S->fields = mysql_fetch_fields(S->result);
442: PDO_DBG_RETURN(1);
443: }
444: #else
445: strcpy(stmt->error_code, "HYC00");
446: PDO_DBG_RETURN(0);
447: #endif /* HAVE_MYSQL_STMT_PREPARE */
448: }
449: /* }}} */
450:
451:
452: static const char * const pdo_param_event_names[] =
453: {
454: "PDO_PARAM_EVT_ALLOC",
455: "PDO_PARAM_EVT_FREE",
456: "PDO_PARAM_EVT_EXEC_PRE",
457: "PDO_PARAM_EVT_EXEC_POST",
458: "PDO_PARAM_EVT_FETCH_PRE",
459: "PDO_PARAM_EVT_FETCH_POST",
460: "PDO_PARAM_EVT_NORMALIZE",
461: };
462:
463:
464: static int pdo_mysql_stmt_param_hook(pdo_stmt_t *stmt, struct pdo_bound_param_data *param, enum pdo_param_event event_type TSRMLS_DC) /* {{{ */
465: {
466: #ifndef PDO_USE_MYSQLND
467: PDO_MYSQL_PARAM_BIND *b;
468: #endif
469: #if HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND
470: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
471:
472: PDO_DBG_ENTER("pdo_mysql_stmt_param_hook");
473: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
474: PDO_DBG_INF_FMT("event = %s", pdo_param_event_names[event_type]);
475: if (S->stmt && param->is_param) {
476: switch (event_type) {
477: case PDO_PARAM_EVT_ALLOC:
478: /* sanity check parameter number range */
479: if (param->paramno < 0 || param->paramno >= S->num_params) {
480: strcpy(stmt->error_code, "HY093");
481: PDO_DBG_RETURN(0);
482: }
483: S->params_given++;
484:
485: #ifndef PDO_USE_MYSQLND
486: b = &S->params[param->paramno];
487: param->driver_data = b;
488: b->is_null = &S->in_null[param->paramno];
489: b->length = &S->in_length[param->paramno];
490: /* recall how many parameters have been provided */
491: #endif
492: PDO_DBG_RETURN(1);
493:
494: case PDO_PARAM_EVT_EXEC_PRE:
495: if (S->params_given < (unsigned int) S->num_params) {
496: /* too few parameter bound */
497: PDO_DBG_ERR("too few parameters bound");
498: strcpy(stmt->error_code, "HY093");
499: PDO_DBG_RETURN(0);
500: }
501:
502: #if PDO_USE_MYSQLND
503: if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL ||
504: Z_TYPE_P(param->parameter) == IS_NULL) {
505: mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_NULL);
506: PDO_DBG_RETURN(1);
507: }
508: #else
509: b = (PDO_MYSQL_PARAM_BIND*)param->driver_data;
510: *b->is_null = 0;
511: if (PDO_PARAM_TYPE(param->param_type) == PDO_PARAM_NULL ||
512: Z_TYPE_P(param->parameter) == IS_NULL) {
513: *b->is_null = 1;
514: b->buffer_type = MYSQL_TYPE_STRING;
515: b->buffer = NULL;
516: b->buffer_length = 0;
517: *b->length = 0;
518: PDO_DBG_RETURN(1);
519: }
520: #endif /* PDO_USE_MYSQLND */
521:
522: switch (PDO_PARAM_TYPE(param->param_type)) {
523: case PDO_PARAM_STMT:
524: PDO_DBG_RETURN(0);
525: case PDO_PARAM_LOB:
526: PDO_DBG_INF("PDO_PARAM_LOB");
527: if (Z_TYPE_P(param->parameter) == IS_RESOURCE) {
528: php_stream *stm;
529: php_stream_from_zval_no_verify(stm, ¶m->parameter);
530: if (stm) {
531: SEPARATE_ZVAL_IF_NOT_REF(¶m->parameter);
532: Z_TYPE_P(param->parameter) = IS_STRING;
533: Z_STRLEN_P(param->parameter) = php_stream_copy_to_mem(stm,
534: &Z_STRVAL_P(param->parameter), PHP_STREAM_COPY_ALL, 0);
535: } else {
536: pdo_raise_impl_error(stmt->dbh, stmt, "HY105", "Expected a stream resource" TSRMLS_CC);
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_P(param->parameter));
549: switch (Z_TYPE_P(param->parameter)) {
550: case IS_STRING:
551: mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_VAR_STRING);
552: break;
553: case IS_LONG:
554: #if SIZEOF_LONG==8
555: mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_LONGLONG);
556: #elif SIZEOF_LONG==4
557: mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_LONG);
558: #endif /* SIZEOF_LONG */
559: break;
560: case IS_DOUBLE:
561: mysqlnd_stmt_bind_one_param(S->stmt, param->paramno, param->parameter, MYSQL_TYPE_DOUBLE);
562: break;
563: default:
564: PDO_DBG_RETURN(0);
565: }
566:
567: PDO_DBG_RETURN(1);
568: #else
569: PDO_DBG_INF_FMT("param->parameter->type=%d", Z_TYPE_P(param->parameter));
570: switch (Z_TYPE_P(param->parameter)) {
571: case IS_STRING:
572: b->buffer_type = MYSQL_TYPE_STRING;
573: b->buffer = Z_STRVAL_P(param->parameter);
574: b->buffer_length = Z_STRLEN_P(param->parameter);
575: *b->length = Z_STRLEN_P(param->parameter);
576: PDO_DBG_RETURN(1);
577:
578: case IS_LONG:
579: b->buffer_type = MYSQL_TYPE_LONG;
580: b->buffer = &Z_LVAL_P(param->parameter);
581: PDO_DBG_RETURN(1);
582:
583: case IS_DOUBLE:
584: b->buffer_type = MYSQL_TYPE_DOUBLE;
585: b->buffer = &Z_DVAL_P(param->parameter);
586: PDO_DBG_RETURN(1);
587:
588: default:
589: PDO_DBG_RETURN(0);
590: }
591: #endif /* PDO_USE_MYSQLND */
592: case PDO_PARAM_EVT_FREE:
593: case PDO_PARAM_EVT_EXEC_POST:
594: case PDO_PARAM_EVT_FETCH_PRE:
595: case PDO_PARAM_EVT_FETCH_POST:
596: case PDO_PARAM_EVT_NORMALIZE:
597: /* do nothing */
598: break;
599: }
600: }
601: #endif /* HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND */
602: PDO_DBG_RETURN(1);
603: }
604: /* }}} */
605:
606: static int pdo_mysql_stmt_fetch(pdo_stmt_t *stmt, enum pdo_fetch_orientation ori, long offset TSRMLS_DC) /* {{{ */
607: {
608: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
609: #if PDO_USE_MYSQLND
610: zend_bool fetched_anything;
611:
612: PDO_DBG_ENTER("pdo_mysql_stmt_fetch");
613: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
614: if (S->stmt) {
615: if (FAIL == mysqlnd_stmt_fetch(S->stmt, &fetched_anything) || fetched_anything == FALSE) {
616: PDO_DBG_RETURN(0);
617: }
618:
619: PDO_DBG_RETURN(1);
620: }
621: #else
622: # if HAVE_MYSQL_STMT_PREPARE
623: int ret;
624:
625: if (S->stmt) {
626: ret = mysql_stmt_fetch(S->stmt);
627:
628: # ifdef MYSQL_DATA_TRUNCATED
629: if (ret == MYSQL_DATA_TRUNCATED) {
630: ret = 0;
631: }
632: # endif
633:
634: if (ret) {
635: if (ret != MYSQL_NO_DATA) {
636: pdo_mysql_error_stmt(stmt);
637: }
638: PDO_DBG_RETURN(0);
639: }
640:
641: PDO_DBG_RETURN(1);
642: }
643: # endif /* HAVE_MYSQL_STMT_PREPARE */
644: #endif /* PDO_USE_MYSQLND */
645:
646: if (!S->result) {
647: strcpy(stmt->error_code, "HY000");
648: PDO_DBG_RETURN(0);
649: }
650: #if PDO_USE_MYSQLND
651: if (!S->stmt && S->current_data) {
652: mnd_free(S->current_data);
653: }
654: #endif /* PDO_USE_MYSQLND */
655:
656: if ((S->current_data = mysql_fetch_row(S->result)) == NULL) {
657: #if PDO_USE_MYSQLND
658: if (S->result->unbuf && !S->result->unbuf->eof_reached && mysql_errno(S->H->server)) {
659: #else
660: if (!S->result->eof && mysql_errno(S->H->server)) {
661: #endif
662: pdo_mysql_error_stmt(stmt);
663: }
664: PDO_DBG_RETURN(0);
665: }
666:
667: S->current_lengths = mysql_fetch_lengths(S->result);
668: PDO_DBG_RETURN(1);
669: }
670: /* }}} */
671:
672: static int pdo_mysql_stmt_describe(pdo_stmt_t *stmt, int colno TSRMLS_DC) /* {{{ */
673: {
674: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
675: struct pdo_column_data *cols = stmt->columns;
676: int i;
677:
678: PDO_DBG_ENTER("pdo_mysql_stmt_describe");
679: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
680: if (!S->result) {
681: PDO_DBG_RETURN(0);
682: }
683:
684: if (colno >= stmt->column_count) {
685: /* error invalid column */
686: PDO_DBG_RETURN(0);
687: }
688:
689: /* fetch all on demand, this seems easiest
690: ** if we've been here before bail out
691: */
692: if (cols[0].name) {
693: PDO_DBG_RETURN(1);
694: }
695: for (i = 0; i < stmt->column_count; i++) {
696: int namelen;
697:
698: if (S->H->fetch_table_names) {
699: namelen = spprintf(&cols[i].name, 0, "%s.%s", S->fields[i].table, S->fields[i].name);
700: cols[i].namelen = namelen;
701: } else {
702: namelen = strlen(S->fields[i].name);
703: cols[i].namelen = namelen;
704: cols[i].name = estrndup(S->fields[i].name, namelen);
705: }
706:
707: cols[i].precision = S->fields[i].decimals;
708: cols[i].maxlen = S->fields[i].length;
709:
710: #ifdef PDO_USE_MYSQLND
711: if (S->stmt) {
712: cols[i].param_type = PDO_PARAM_ZVAL;
713: } else
714: #endif
715: {
716: cols[i].param_type = PDO_PARAM_STR;
717: }
718: }
719: PDO_DBG_RETURN(1);
720: }
721: /* }}} */
722:
723: static int pdo_mysql_stmt_get_col(pdo_stmt_t *stmt, int colno, char **ptr, unsigned long *len, int *caller_frees TSRMLS_DC) /* {{{ */
724: {
725: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
726:
727: PDO_DBG_ENTER("pdo_mysql_stmt_get_col");
728: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
729: if (!S->result) {
730: PDO_DBG_RETURN(0);
731: }
732:
733: /* With mysqlnd data is stored inside mysqlnd, not S->current_data */
734: #if HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND
735: if (!S->stmt) {
736: #endif
737: if (S->current_data == NULL || !S->result) {
738: PDO_DBG_RETURN(0);
739: }
740: #if HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND
741: }
742: #endif
743: if (colno >= stmt->column_count) {
744: /* error invalid column */
745: PDO_DBG_RETURN(0);
746: }
747: #if PDO_USE_MYSQLND
748: if (S->stmt) {
749: Z_ADDREF_P(S->stmt->data->result_bind[colno].zv);
750: *ptr = (char*)&S->stmt->data->result_bind[colno].zv;
751: *len = sizeof(zval);
752: PDO_DBG_RETURN(1);
753: }
754: #elif HAVE_MYSQL_STMT_PREPARE
755: if (S->stmt) {
756: if (S->out_null[colno]) {
757: *ptr = NULL;
758: *len = 0;
759: PDO_DBG_RETURN(1);
760: }
761: *ptr = S->bound_result[colno].buffer;
762: if (S->out_length[colno] > S->bound_result[colno].buffer_length) {
763: /* mysql lied about the column width */
764: strcpy(stmt->error_code, "01004"); /* truncated */
765: S->out_length[colno] = S->bound_result[colno].buffer_length;
766: *len = S->out_length[colno];
767: PDO_DBG_RETURN(0);
768: }
769: *len = S->out_length[colno];
770: PDO_DBG_RETURN(1);
771: }
772: #endif /* PDO_USE_MYSQLND else HAVE_MYSQL_STMT_PREPARE */
773: *ptr = S->current_data[colno];
774: *len = S->current_lengths[colno];
775: PDO_DBG_RETURN(1);
776: } /* }}} */
777:
778: static char *type_to_name_native(int type) /* {{{ */
779: {
780: #define PDO_MYSQL_NATIVE_TYPE_NAME(x) case FIELD_TYPE_##x: return #x;
781:
782: switch (type) {
783: PDO_MYSQL_NATIVE_TYPE_NAME(STRING)
784: PDO_MYSQL_NATIVE_TYPE_NAME(VAR_STRING)
785: #ifdef MYSQL_HAS_TINY
786: PDO_MYSQL_NATIVE_TYPE_NAME(TINY)
787: #endif
788: PDO_MYSQL_NATIVE_TYPE_NAME(SHORT)
789: PDO_MYSQL_NATIVE_TYPE_NAME(LONG)
790: PDO_MYSQL_NATIVE_TYPE_NAME(LONGLONG)
791: PDO_MYSQL_NATIVE_TYPE_NAME(INT24)
792: PDO_MYSQL_NATIVE_TYPE_NAME(FLOAT)
793: PDO_MYSQL_NATIVE_TYPE_NAME(DOUBLE)
794: PDO_MYSQL_NATIVE_TYPE_NAME(DECIMAL)
795: #ifdef FIELD_TYPE_NEWDECIMAL
796: PDO_MYSQL_NATIVE_TYPE_NAME(NEWDECIMAL)
797: #endif
798: #ifdef FIELD_TYPE_GEOMETRY
799: PDO_MYSQL_NATIVE_TYPE_NAME(GEOMETRY)
800: #endif
801: PDO_MYSQL_NATIVE_TYPE_NAME(TIMESTAMP)
802: #ifdef MYSQL_HAS_YEAR
803: PDO_MYSQL_NATIVE_TYPE_NAME(YEAR)
804: #endif
805: PDO_MYSQL_NATIVE_TYPE_NAME(SET)
806: PDO_MYSQL_NATIVE_TYPE_NAME(ENUM)
807: PDO_MYSQL_NATIVE_TYPE_NAME(DATE)
808: #ifdef FIELD_TYPE_NEWDATE
809: PDO_MYSQL_NATIVE_TYPE_NAME(NEWDATE)
810: #endif
811: PDO_MYSQL_NATIVE_TYPE_NAME(TIME)
812: PDO_MYSQL_NATIVE_TYPE_NAME(DATETIME)
813: PDO_MYSQL_NATIVE_TYPE_NAME(TINY_BLOB)
814: PDO_MYSQL_NATIVE_TYPE_NAME(MEDIUM_BLOB)
815: PDO_MYSQL_NATIVE_TYPE_NAME(LONG_BLOB)
816: PDO_MYSQL_NATIVE_TYPE_NAME(BLOB)
817: PDO_MYSQL_NATIVE_TYPE_NAME(NULL)
818: default:
819: return NULL;
820: }
821: #undef PDO_MYSQL_NATIVE_TYPE_NAME
822: } /* }}} */
823:
824: static int pdo_mysql_stmt_col_meta(pdo_stmt_t *stmt, long colno, zval *return_value TSRMLS_DC) /* {{{ */
825: {
826: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
827: const MYSQL_FIELD *F;
828: zval *flags;
829: char *str;
830:
831: PDO_DBG_ENTER("pdo_mysql_stmt_col_meta");
832: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
833: if (!S->result) {
834: PDO_DBG_RETURN(FAILURE);
835: }
836: if (colno >= stmt->column_count) {
837: /* error invalid column */
838: PDO_DBG_RETURN(FAILURE);
839: }
840:
841: array_init(return_value);
842: MAKE_STD_ZVAL(flags);
843: array_init(flags);
844:
845: F = S->fields + colno;
846:
847: if (F->def) {
848: add_assoc_string(return_value, "mysql:def", F->def, 1);
849: }
850: if (IS_NOT_NULL(F->flags)) {
851: add_next_index_string(flags, "not_null", 1);
852: }
853: if (IS_PRI_KEY(F->flags)) {
854: add_next_index_string(flags, "primary_key", 1);
855: }
856: if (F->flags & MULTIPLE_KEY_FLAG) {
857: add_next_index_string(flags, "multiple_key", 1);
858: }
859: if (F->flags & UNIQUE_KEY_FLAG) {
860: add_next_index_string(flags, "unique_key", 1);
861: }
862: if (IS_BLOB(F->flags)) {
863: add_next_index_string(flags, "blob", 1);
864: }
865: str = type_to_name_native(F->type);
866: if (str) {
867: add_assoc_string(return_value, "native_type", str, 1);
868: }
869:
870: #ifdef PDO_USE_MYSQLND
871: switch (F->type) {
872: case MYSQL_TYPE_BIT:
873: case MYSQL_TYPE_YEAR:
874: case MYSQL_TYPE_TINY:
875: case MYSQL_TYPE_SHORT:
876: case MYSQL_TYPE_INT24:
877: case MYSQL_TYPE_LONG:
878: #if SIZEOF_LONG==8
879: case MYSQL_TYPE_LONGLONG:
880: #endif
881: add_assoc_long(return_value, "pdo_type", PDO_PARAM_INT);
882: break;
883: default:
884: add_assoc_long(return_value, "pdo_type", PDO_PARAM_STR);
885: break;
886: }
887: #endif
888:
889: add_assoc_zval(return_value, "flags", flags);
890: add_assoc_string(return_value, "table",(char *) (F->table?F->table:""), 1);
891: PDO_DBG_RETURN(SUCCESS);
892: } /* }}} */
893:
894: static int pdo_mysql_stmt_cursor_closer(pdo_stmt_t *stmt TSRMLS_DC) /* {{{ */
895: {
896: pdo_mysql_stmt *S = (pdo_mysql_stmt*)stmt->driver_data;
897:
898: PDO_DBG_ENTER("pdo_mysql_stmt_cursor_closer");
899: PDO_DBG_INF_FMT("stmt=%p", S->stmt);
900: if (S->result) {
901: mysql_free_result(S->result);
902: S->result = NULL;
903: }
904: #if HAVE_MYSQL_STMT_PREPARE || PDO_USE_MYSQLND
905: if (S->stmt) {
906: int retval;
907: retval = mysql_stmt_free_result(S->stmt);
908: PDO_DBG_RETURN(retval ? 0 : 1);
909: }
910: #endif
911:
912: #if HAVE_MYSQL_NEXT_RESULT || PDO_USE_MYSQLND
913: while (mysql_more_results(S->H->server)) {
914: MYSQL_RES *res;
915: if (mysql_next_result(S->H->server) != 0) {
916: break;
917: }
918: res = mysql_store_result(S->H->server);
919: if (res) {
920: mysql_free_result(res);
921: }
922: }
923: #endif
924: PDO_DBG_RETURN(1);
925: }
926: /* }}} */
927:
928: 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:
942: /*
943: * Local variables:
944: * tab-width: 4
945: * c-basic-offset: 4
946: * End:
947: * vim600: noet sw=4 ts=4 fdm=marker
948: * vim<600: noet sw=4 ts=4
949: */