xref: /PHP-8.1/ext/mysqli/mysqli_prop.c (revision aff36587)
1 /*
2   +----------------------------------------------------------------------+
3   | Copyright (c) The PHP Group                                          |
4   +----------------------------------------------------------------------+
5   | This source file is subject to version 3.01 of the PHP license,      |
6   | that is bundled with this package in the file LICENSE, and is        |
7   | available through the world-wide-web at the following url:           |
8   | https://www.php.net/license/3_01.txt                                 |
9   | If you did not receive a copy of the PHP license and are unable to   |
10   | obtain it through the world-wide-web, please send a note to          |
11   | license@php.net so we can mail you a copy immediately.               |
12   +----------------------------------------------------------------------+
13   | Author: Georg Richter <georg@php.net>                                |
14   |         Andrey Hristov <andrey@php.net>                              |
15   +----------------------------------------------------------------------+
16 */
17 
18 #ifdef HAVE_CONFIG_H
19 #include "config.h"
20 #endif
21 
22 #include <signal.h>
23 
24 #include "php.h"
25 #include "php_ini.h"
26 #include "ext/standard/info.h"
27 #include "php_mysqli_structs.h"
28 #include "mysqli_priv.h"
29 
30 #define CHECK_STATUS(value, quiet) \
31 	if (!obj->ptr || ((MYSQLI_RESOURCE *)obj->ptr)->status < value ) { \
32 		if (!quiet) { \
33 			zend_throw_error(NULL, "Property access is not allowed yet"); \
34 		} \
35 		return FAILURE; \
36 	} \
37 
38 #define MYSQLI_GET_MYSQL(statusval) \
39 MYSQL *p; \
40 if (!obj->ptr || !(MY_MYSQL *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr) { \
41 	if (!quiet) { \
42 		zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name)); \
43 	} \
44 	return FAILURE; \
45 } else { \
46 	CHECK_STATUS(statusval, quiet);\
47 	p = (MYSQL *)((MY_MYSQL *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr)->mysql;\
48 }
49 
50 #define MYSQLI_GET_RESULT(statusval) \
51 MYSQL_RES *p; \
52 if (!obj->ptr) { \
53 	if (!quiet) { \
54 		zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name)); \
55 	} \
56 	return FAILURE; \
57 } else { \
58 	CHECK_STATUS(statusval, quiet);\
59 	p = (MYSQL_RES *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr; \
60 }
61 
62 #define MYSQLI_GET_STMT(statusval) \
63 MYSQL_STMT *p; \
64 if (!obj->ptr) { \
65 	if (!quiet) { \
66 		zend_throw_error(NULL, "%s object is already closed", ZSTR_VAL(obj->zo.ce->name)); \
67 	} \
68 	return FAILURE; \
69 } else { \
70 	CHECK_STATUS(statusval, quiet); \
71 	p = (MYSQL_STMT *)((MY_STMT *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr)->stmt; \
72 }
73 
74 #define MYSQLI_MAP_PROPERTY_FUNC_LONG_OR_STR( __func, __int_func, __get_type, __ret_type, __ret_type_sprint_mod)\
75 static int __func(mysqli_object *obj, zval *retval, bool quiet) \
76 {\
77 	__ret_type l;\
78 	__get_type;\
79 	ZEND_ASSERT(p);\
80 	l = (__ret_type)__int_func(p);\
81 	if (l < ZEND_LONG_MAX) {\
82 		ZVAL_LONG(retval, (zend_long) l);\
83 	} else { \
84 		ZVAL_NEW_STR(retval, strpprintf(0, __ret_type_sprint_mod, l)); \
85 	} \
86 	return SUCCESS; \
87 }
88 
89 #define MYSQLI_MAP_PROPERTY_FUNC_LONG( __func, __int_func, __get_type, __ret_type, __ret_type_sprint_mod)\
90 static int __func(mysqli_object *obj, zval *retval, bool quiet) \
91 {\
92 	__ret_type l;\
93 	__get_type;\
94 	ZEND_ASSERT(p);\
95 	l = (__ret_type)__int_func(p);\
96 	ZEND_ASSERT(l < ZEND_LONG_MAX);\
97 	ZVAL_LONG(retval, (zend_long) l);\
98 	return SUCCESS; \
99 }
100 
101 #define MYSQLI_MAP_PROPERTY_FUNC_STR_OR_NULL(__func, __int_func, __get_type)\
102 static int __func(mysqli_object *obj, zval *retval, bool quiet)\
103 {\
104 	char *c;\
105 	__get_type;\
106 	ZEND_ASSERT(p);\
107 	c = (char *)__int_func(p);\
108 	if (c) {\
109 		ZVAL_STRING(retval, c);\
110 	} else {\
111 		ZVAL_NULL(retval);\
112 	}\
113 	return SUCCESS; \
114 }
115 
116 #define MYSQLI_MAP_PROPERTY_FUNC_STR(__func, __int_func, __get_type)\
117 static int __func(mysqli_object *obj, zval *retval, bool quiet)\
118 {\
119 	char *c;\
120 	__get_type;\
121 	ZEND_ASSERT(p);\
122 	c = (char *)__int_func(p);\
123 	ZEND_ASSERT(c);\
124 	ZVAL_STRING(retval, c);\
125 	return SUCCESS; \
126 }
127 
128 /* {{{ property link_client_version_read */
link_client_version_read(mysqli_object * obj,zval * retval,bool quiet)129 static int link_client_version_read(mysqli_object *obj, zval *retval, bool quiet)
130 {
131 	ZVAL_LONG(retval, MYSQL_VERSION_ID);
132 
133 	return SUCCESS;
134 }
135 /* }}} */
136 
137 /* {{{ property link_client_info_read */
link_client_info_read(mysqli_object * obj,zval * retval,bool quiet)138 static int link_client_info_read(mysqli_object *obj, zval *retval, bool quiet)
139 {
140 	ZVAL_STRING(retval, MYSQL_SERVER_VERSION);
141 
142 	return SUCCESS;
143 }
144 /* }}} */
145 
146 /* {{{ property link_connect_errno_read */
link_connect_errno_read(mysqli_object * obj,zval * retval,bool quiet)147 static int link_connect_errno_read(mysqli_object *obj, zval *retval, bool quiet)
148 {
149 	ZVAL_LONG(retval, (zend_long)MyG(error_no));
150 
151 	return SUCCESS;
152 }
153 /* }}} */
154 
155 /* {{{ property link_connect_error_read */
link_connect_error_read(mysqli_object * obj,zval * retval,bool quiet)156 static int link_connect_error_read(mysqli_object *obj, zval *retval, bool quiet)
157 {
158 	if (MyG(error_msg)) {
159 		ZVAL_STRING(retval, MyG(error_msg));
160 	} else {
161 		ZVAL_NULL(retval);
162 	}
163 
164 	return SUCCESS;
165 }
166 /* }}} */
167 
168 /* {{{ property link_affected_rows_read */
link_affected_rows_read(mysqli_object * obj,zval * retval,bool quiet)169 static int link_affected_rows_read(mysqli_object *obj, zval *retval, bool quiet)
170 {
171 	MY_MYSQL *mysql;
172 	my_ulonglong rc;
173 
174 	CHECK_STATUS(MYSQLI_STATUS_VALID, quiet);
175 
176 	mysql = (MY_MYSQL *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
177 	ZEND_ASSERT(mysql);
178 
179 	rc = mysql_affected_rows(mysql->mysql);
180 
181 	if (rc == (my_ulonglong) -1) {
182 		ZVAL_LONG(retval, -1);
183 		return SUCCESS;
184 	}
185 
186 	if (rc < ZEND_LONG_MAX) {
187 		ZVAL_LONG(retval, (zend_long) rc);
188 	} else {
189 		ZVAL_NEW_STR(retval, strpprintf(0, MYSQLI_LLU_SPEC, rc));
190 	}
191 
192 	return SUCCESS;
193 }
194 /* }}} */
195 
196 /* {{{ property link_error_list_read */
link_error_list_read(mysqli_object * obj,zval * retval,bool quiet)197 static int link_error_list_read(mysqli_object *obj, zval *retval, bool quiet)
198 {
199 	MY_MYSQL *mysql;
200 
201 	CHECK_STATUS(MYSQLI_STATUS_VALID, quiet);
202 
203 	mysql = (MY_MYSQL *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
204 
205 	if (mysql) {
206 		array_init(retval);
207 #ifdef MYSQLI_USE_MYSQLND
208 		if (1) {
209 			MYSQLND_ERROR_LIST_ELEMENT * message;
210 			zend_llist_position pos;
211 			for (message = (MYSQLND_ERROR_LIST_ELEMENT *) zend_llist_get_first_ex(&mysql->mysql->data->error_info->error_list, &pos);
212 				 message;
213 				 message = (MYSQLND_ERROR_LIST_ELEMENT *) zend_llist_get_next_ex(&mysql->mysql->data->error_info->error_list, &pos))
214 			{
215 				zval single_error;
216 				array_init(&single_error);
217 				add_assoc_long_ex(&single_error, "errno", sizeof("errno") - 1, message->error_no);
218 				add_assoc_string_ex(&single_error, "sqlstate", sizeof("sqlstate") - 1, message->sqlstate);
219 				add_assoc_string_ex(&single_error, "error", sizeof("error") - 1, message->error);
220 				add_next_index_zval(retval, &single_error);
221 			}
222 		}
223 #else
224 		if (mysql_errno(mysql->mysql)) {
225 			zval single_error;
226 			array_init(&single_error);
227 			add_assoc_long_ex(&single_error, "errno", sizeof("errno") - 1, mysql_errno(mysql->mysql));
228 			add_assoc_string_ex(&single_error, "sqlstate", sizeof("sqlstate") - 1, mysql_sqlstate(mysql->mysql));
229 			add_assoc_string_ex(&single_error, "error", sizeof("error") - 1, mysql_error(mysql->mysql));
230 			add_next_index_zval(retval, &single_error);
231 		}
232 #endif
233 	} else {
234 		ZVAL_EMPTY_ARRAY(retval);
235 	}
236 
237 	return SUCCESS;
238 }
239 /* }}} */
240 
241 /* link properties */
MYSQLI_MAP_PROPERTY_FUNC_LONG(link_errno_read,mysql_errno,MYSQLI_GET_MYSQL (MYSQLI_STATUS_INITIALIZED),zend_ulong,ZEND_ULONG_FMT)242 MYSQLI_MAP_PROPERTY_FUNC_LONG(link_errno_read, mysql_errno, MYSQLI_GET_MYSQL(MYSQLI_STATUS_INITIALIZED), zend_ulong, ZEND_ULONG_FMT)
243 MYSQLI_MAP_PROPERTY_FUNC_STR(link_error_read, mysql_error, MYSQLI_GET_MYSQL(MYSQLI_STATUS_INITIALIZED))
244 MYSQLI_MAP_PROPERTY_FUNC_LONG(link_field_count_read, mysql_field_count, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
245 MYSQLI_MAP_PROPERTY_FUNC_STR(link_host_info_read, mysql_get_host_info, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID))
246 MYSQLI_MAP_PROPERTY_FUNC_STR_OR_NULL(link_info_read, mysql_info, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID))
247 MYSQLI_MAP_PROPERTY_FUNC_LONG_OR_STR(link_insert_id_read, mysql_insert_id, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID), my_ulonglong, MYSQLI_LLU_SPEC)
248 MYSQLI_MAP_PROPERTY_FUNC_LONG(link_protocol_version_read, mysql_get_proto_info, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
249 MYSQLI_MAP_PROPERTY_FUNC_STR(link_server_info_read, mysql_get_server_info, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID))
250 MYSQLI_MAP_PROPERTY_FUNC_LONG(link_server_version_read, mysql_get_server_version, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
251 MYSQLI_MAP_PROPERTY_FUNC_STR(link_sqlstate_read, mysql_sqlstate, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID))
252 MYSQLI_MAP_PROPERTY_FUNC_LONG(link_thread_id_read, mysql_thread_id, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
253 MYSQLI_MAP_PROPERTY_FUNC_LONG(link_warning_count_read, mysql_warning_count, MYSQLI_GET_MYSQL(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
254 
255 /* result properties */
256 
257 /* {{{ property result_type_read */
258 static int result_type_read(mysqli_object *obj, zval *retval, bool quiet)
259 {
260 	MYSQL_RES *p;
261 
262 	CHECK_STATUS(MYSQLI_STATUS_VALID, quiet);
263 	p = (MYSQL_RES *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
264 
265 	ZEND_ASSERT(p);
266 	ZVAL_LONG(retval, mysqli_result_is_unbuffered(p) ? MYSQLI_USE_RESULT:MYSQLI_STORE_RESULT);
267 
268 	return SUCCESS;
269 }
270 /* }}} */
271 
272 /* {{{ property result_lengths_read */
result_lengths_read(mysqli_object * obj,zval * retval,bool quiet)273 static int result_lengths_read(mysqli_object *obj, zval *retval, bool quiet)
274 {
275 	MYSQL_RES *p;
276 #ifdef MYSQLI_USE_MYSQLND
277 	const size_t *ret;
278 #else
279 	const unsigned long *ret;
280 #endif
281 	uint32_t field_count;
282 
283 	CHECK_STATUS(MYSQLI_STATUS_VALID, quiet);
284 	p = (MYSQL_RES *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
285 	field_count = mysql_num_fields(p);
286 	if (!p || !field_count || !(ret = mysql_fetch_lengths(p))) {
287 		ZVAL_NULL(retval);
288 	} else {
289 		zend_ulong i;
290 
291 		array_init(retval);
292 
293 		for (i = 0; i < field_count; i++) {
294 			add_index_long(retval, i, ret[i]);
295 		}
296 	}
297 
298 	return SUCCESS;
299 }
300 /* }}} */
301 
MYSQLI_MAP_PROPERTY_FUNC_LONG(result_current_field_read,mysql_field_tell,MYSQLI_GET_RESULT (MYSQLI_STATUS_VALID),zend_ulong,ZEND_ULONG_FMT)302 MYSQLI_MAP_PROPERTY_FUNC_LONG(result_current_field_read, mysql_field_tell, MYSQLI_GET_RESULT(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
303 MYSQLI_MAP_PROPERTY_FUNC_LONG(result_field_count_read, mysql_num_fields, MYSQLI_GET_RESULT(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
304 MYSQLI_MAP_PROPERTY_FUNC_LONG_OR_STR(result_num_rows_read, mysql_num_rows, MYSQLI_GET_RESULT(MYSQLI_STATUS_VALID), my_ulonglong, MYSQLI_LLU_SPEC)
305 
306 /* statement properties */
307 
308 /* {{{ property stmt_id_read */
309 static int stmt_id_read(mysqli_object *obj, zval *retval, bool quiet)
310 {
311 	MY_STMT *p;
312 
313 	CHECK_STATUS(MYSQLI_STATUS_VALID, quiet);
314 
315 	p = (MY_STMT*)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
316 
317 	ZEND_ASSERT(p);
318 	ZVAL_LONG(retval, mysqli_stmt_get_id(p->stmt));
319 
320 	return SUCCESS;
321 }
322 /* }}} */
323 
324 /* {{{ property stmt_affected_rows_read */
stmt_affected_rows_read(mysqli_object * obj,zval * retval,bool quiet)325 static int stmt_affected_rows_read(mysqli_object *obj, zval *retval, bool quiet)
326 {
327 	MY_STMT *p;
328 	my_ulonglong rc;
329 
330 	CHECK_STATUS(MYSQLI_STATUS_VALID, quiet);
331 
332 	p = (MY_STMT *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
333 
334 	ZEND_ASSERT(p);
335 	rc = mysql_stmt_affected_rows(p->stmt);
336 
337 	if (rc == (my_ulonglong) -1) {
338 		ZVAL_LONG(retval, -1);
339 		return SUCCESS;
340 	}
341 
342 	if (rc < ZEND_LONG_MAX) {
343 		ZVAL_LONG(retval, (zend_long) rc);
344 	} else {
345 		ZVAL_NEW_STR(retval, strpprintf(0, MYSQLI_LLU_SPEC, rc));
346 	}
347 
348 	return SUCCESS;
349 }
350 /* }}} */
351 
352 /* {{{ property stmt_error_list_read */
stmt_error_list_read(mysqli_object * obj,zval * retval,bool quiet)353 static int stmt_error_list_read(mysqli_object *obj, zval *retval, bool quiet)
354 {
355 	MY_STMT * stmt;
356 
357 	CHECK_STATUS(MYSQLI_STATUS_INITIALIZED, quiet);
358 
359 	stmt = (MY_STMT *)((MYSQLI_RESOURCE *)(obj->ptr))->ptr;
360 	if (stmt && stmt->stmt) {
361 		array_init(retval);
362 #ifdef MYSQLI_USE_MYSQLND
363 		if (stmt->stmt->data && stmt->stmt->data->error_info) {
364 			MYSQLND_ERROR_LIST_ELEMENT * message;
365 			zend_llist_position pos;
366 			for (message = (MYSQLND_ERROR_LIST_ELEMENT *) zend_llist_get_first_ex(&stmt->stmt->data->error_info->error_list, &pos);
367 				 message;
368 				 message = (MYSQLND_ERROR_LIST_ELEMENT *) zend_llist_get_next_ex(&stmt->stmt->data->error_info->error_list, &pos))
369 			{
370 				zval single_error;
371 				array_init(&single_error);
372 				add_assoc_long_ex(&single_error, "errno", sizeof("errno") - 1, message->error_no);
373 				add_assoc_string_ex(&single_error, "sqlstate", sizeof("sqlstate") - 1, message->sqlstate);
374 				add_assoc_string_ex(&single_error, "error", sizeof("error") - 1, message->error);
375 				add_next_index_zval(retval, &single_error);
376 			}
377 		}
378 #else
379 		if (mysql_stmt_errno(stmt->stmt)) {
380 			zval single_error;
381 			array_init(&single_error);
382 			add_assoc_long_ex(&single_error, "errno", sizeof("errno") - 1, mysql_stmt_errno(stmt->stmt));
383 			add_assoc_string_ex(&single_error, "sqlstate", sizeof("sqlstate") - 1, mysql_stmt_sqlstate(stmt->stmt));
384 			add_assoc_string_ex(&single_error, "error", sizeof("error") - 1, mysql_stmt_error(stmt->stmt));
385 			add_next_index_zval(retval, &single_error);
386 		}
387 #endif
388 	} else {
389 		ZVAL_EMPTY_ARRAY(retval);
390 	}
391 
392 	return SUCCESS;
393 }
394 /* }}} */
395 
396 MYSQLI_MAP_PROPERTY_FUNC_LONG_OR_STR(stmt_insert_id_read, mysql_stmt_insert_id, MYSQLI_GET_STMT(MYSQLI_STATUS_VALID), my_ulonglong, MYSQLI_LLU_SPEC)
397 MYSQLI_MAP_PROPERTY_FUNC_LONG_OR_STR(stmt_num_rows_read, mysql_stmt_num_rows, MYSQLI_GET_STMT(MYSQLI_STATUS_VALID), my_ulonglong, MYSQLI_LLU_SPEC)
398 MYSQLI_MAP_PROPERTY_FUNC_LONG(stmt_param_count_read, mysql_stmt_param_count, MYSQLI_GET_STMT(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
399 MYSQLI_MAP_PROPERTY_FUNC_LONG(stmt_field_count_read, mysql_stmt_field_count, MYSQLI_GET_STMT(MYSQLI_STATUS_VALID), zend_ulong, ZEND_ULONG_FMT)
400 MYSQLI_MAP_PROPERTY_FUNC_LONG(stmt_errno_read, mysql_stmt_errno, MYSQLI_GET_STMT(MYSQLI_STATUS_INITIALIZED), zend_ulong, ZEND_ULONG_FMT)
401 MYSQLI_MAP_PROPERTY_FUNC_STR(stmt_error_read, mysql_stmt_error, MYSQLI_GET_STMT(MYSQLI_STATUS_INITIALIZED))
402 MYSQLI_MAP_PROPERTY_FUNC_STR(stmt_sqlstate_read, mysql_stmt_sqlstate, MYSQLI_GET_STMT(MYSQLI_STATUS_INITIALIZED))
403 
404 /* }}} */
405 const mysqli_property_entry mysqli_link_property_entries[] = {
406 	{"affected_rows", 	sizeof("affected_rows") - 1,	link_affected_rows_read, NULL},
407 	{"client_info", 	sizeof("client_info") - 1,		link_client_info_read, NULL},
408 	{"client_version",	sizeof("client_version") - 1,	link_client_version_read, NULL},
409 	{"connect_errno",	sizeof("connect_errno") - 1,	link_connect_errno_read, NULL},
410 	{"connect_error",	sizeof("connect_error") - 1,	link_connect_error_read, NULL},
411 	{"errno",			sizeof("errno") - 1,			link_errno_read, NULL},
412 	{"error",			sizeof("error") - 1,			link_error_read, NULL},
413 	{"error_list",		sizeof("error_list") - 1,		link_error_list_read, NULL},
414 	{"field_count",		sizeof("field_count") - 1,		link_field_count_read, NULL},
415 	{"host_info",		sizeof("host_info") - 1,		link_host_info_read, NULL},
416 	{"info",			sizeof("info") - 1,				link_info_read, NULL},
417 	{"insert_id",		sizeof("insert_id") - 1,		link_insert_id_read, NULL},
418 	{"server_info",		sizeof("server_info") - 1,		link_server_info_read, NULL},
419 	{"server_version",	sizeof("server_version") - 1,	link_server_version_read, NULL},
420 	{"sqlstate",		sizeof("sqlstate") - 1,			link_sqlstate_read, NULL},
421 	{"protocol_version",sizeof("protocol_version") - 1,	link_protocol_version_read, NULL},
422 	{"thread_id",		sizeof("thread_id") - 1, 		link_thread_id_read, NULL},
423 	{"warning_count",	sizeof("warning_count") - 1, 	link_warning_count_read, NULL},
424 	{NULL, 0, NULL, NULL}
425 };
426 
427 
428 const mysqli_property_entry mysqli_result_property_entries[] = {
429 	{"current_field",sizeof("current_field")-1,	result_current_field_read, NULL},
430 	{"field_count", sizeof("field_count") - 1,	result_field_count_read, NULL},
431 	{"lengths", 	sizeof("lengths") - 1,		result_lengths_read, NULL},
432 	{"num_rows", 	sizeof("num_rows") - 1,		result_num_rows_read, NULL},
433 	{"type", 		sizeof("type") - 1,			result_type_read, NULL},
434 	{NULL, 0, NULL, NULL}
435 };
436 
437 const mysqli_property_entry mysqli_stmt_property_entries[] = {
438 	{"affected_rows", sizeof("affected_rows")-1,stmt_affected_rows_read, NULL},
439 	{"insert_id",	sizeof("insert_id") - 1, 	stmt_insert_id_read, NULL},
440 	{"num_rows",	sizeof("num_rows") - 1, 	stmt_num_rows_read, NULL},
441 	{"param_count", sizeof("param_count") - 1,	stmt_param_count_read, NULL},
442 	{"field_count", sizeof("field_count") - 1,	stmt_field_count_read, NULL},
443 	{"errno",		sizeof("errno") - 1,		stmt_errno_read, NULL},
444 	{"error",		sizeof("error") - 1, 		stmt_error_read, NULL},
445 	{"error_list",	sizeof("error_list") - 1, 	stmt_error_list_read, NULL},
446 	{"sqlstate",	sizeof("sqlstate") - 1,		stmt_sqlstate_read, NULL},
447 	{"id",			sizeof("id") - 1,			stmt_id_read, NULL},
448 	{NULL, 0, NULL, NULL}
449 };
450