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1 | <?php if ( ! defined('BASEPATH')) exit('No direct script access allowed'); |
2 | /** | |
3 | * CodeIgniter | |
4 | * | |
5 | * An open source application development framework for PHP 5.1.6 or newer | |
6 | * | |
7 | * @package CodeIgniter | |
8 | * @author ExpressionEngine Dev Team | |
9 | * @copyright Copyright (c) 2008 - 2011, EllisLab, Inc. | |
10 | * @license http://codeigniter.com/user_guide/license.html | |
11 | * @link http://codeigniter.com | |
12 | * @since Version 1.0 | |
13 | * @filesource | |
14 | */ | |
15 | ||
16 | // ------------------------------------------------------------------------ | |
17 | ||
18 | /** | |
19 | * MySQL Database Adapter Class | |
20 | * | |
21 | * Note: _DB is an extender class that the app controller | |
22 | * creates dynamically based on whether the active record | |
23 | * class is being used or not. | |
24 | * | |
25 | * @package CodeIgniter | |
26 | * @subpackage Drivers | |
27 | * @category Database | |
28 | * @author ExpressionEngine Dev Team | |
29 | * @link http://codeigniter.com/user_guide/database/ | |
30 | */ | |
31 | class CI_DB_mysql_driver extends CI_DB { | |
32 | ||
33 | var $dbdriver = 'mysql'; | |
34 | ||
35 | // The character used for escaping | |
36 | var $_escape_char = '`'; | |
37 | ||
38 | // clause and character used for LIKE escape sequences - not used in MySQL | |
39 | var $_like_escape_str = ''; | |
40 | var $_like_escape_chr = ''; | |
41 | ||
42 | /** | |
43 | * Whether to use the MySQL "delete hack" which allows the number | |
44 | * of affected rows to be shown. Uses a preg_replace when enabled, | |
45 | * adding a bit more processing to all queries. | |
46 | */ | |
47 | var $delete_hack = TRUE; | |
48 | ||
49 | /** | |
50 | * The syntax to count rows is slightly different across different | |
51 | * database engines, so this string appears in each driver and is | |
52 | * used for the count_all() and count_all_results() functions. | |
53 | */ | |
54 | var $_count_string = 'SELECT COUNT(*) AS '; | |
55 | var $_random_keyword = ' RAND()'; // database specific random keyword | |
56 | ||
57 | // whether SET NAMES must be used to set the character set | |
58 | var $use_set_names; | |
59 | ||
60 | /** | |
61 | * Non-persistent database connection | |
62 | * | |
63 | * @access private called by the base class | |
64 | * @return resource | |
65 | */ | |
66 | function db_connect() | |
67 | { | |
68 | if ($this->port != '') | |
69 | { | |
70 | $this->hostname .= ':'.$this->port; | |
71 | } | |
72 | ||
73 | return @mysql_connect($this->hostname, $this->username, $this->password, TRUE); | |
74 | } | |
75 | ||
76 | // -------------------------------------------------------------------- | |
77 | ||
78 | /** | |
79 | * Persistent database connection | |
80 | * | |
81 | * @access private called by the base class | |
82 | * @return resource | |
83 | */ | |
84 | function db_pconnect() | |
85 | { | |
86 | if ($this->port != '') | |
87 | { | |
88 | $this->hostname .= ':'.$this->port; | |
89 | } | |
90 | ||
91 | return @mysql_pconnect($this->hostname, $this->username, $this->password); | |
92 | } | |
93 | ||
94 | // -------------------------------------------------------------------- | |
95 | ||
96 | /** | |
97 | * Reconnect | |
98 | * | |
99 | * Keep / reestablish the db connection if no queries have been | |
100 | * sent for a length of time exceeding the server's idle timeout | |
101 | * | |
102 | * @access public | |
103 | * @return void | |
104 | */ | |
105 | function reconnect() | |
106 | { | |
107 | if (mysql_ping($this->conn_id) === FALSE) | |
108 | { | |
109 | $this->conn_id = FALSE; | |
110 | } | |
111 | } | |
112 | ||
113 | // -------------------------------------------------------------------- | |
114 | ||
115 | /** | |
116 | * Select the database | |
117 | * | |
118 | * @access private called by the base class | |
119 | * @return resource | |
120 | */ | |
121 | function db_select() | |
122 | { | |
123 | return @mysql_select_db($this->database, $this->conn_id); | |
124 | } | |
125 | ||
126 | // -------------------------------------------------------------------- | |
127 | ||
128 | /** | |
129 | * Set client character set | |
130 | * | |
131 | * @access public | |
132 | * @param string | |
133 | * @param string | |
134 | * @return resource | |
135 | */ | |
136 | function db_set_charset($charset, $collation) | |
137 | { | |
138 | if ( ! isset($this->use_set_names)) | |
139 | { | |
140 | // mysql_set_charset() requires PHP >= 5.2.3 and MySQL >= 5.0.7, use SET NAMES as fallback | |
141 | $this->use_set_names = (version_compare(PHP_VERSION, '5.2.3', '>=') && version_compare(mysql_get_server_info(), '5.0.7', '>=')) ? FALSE : TRUE; | |
142 | } | |
143 | ||
144 | if ($this->use_set_names === TRUE) | |
145 | { | |
146 | return @mysql_query("SET NAMES '".$this->escape_str($charset)."' COLLATE '".$this->escape_str($collation)."'", $this->conn_id); | |
147 | } | |
148 | else | |
149 | { | |
150 | return @mysql_set_charset($charset, $this->conn_id); | |
151 | } | |
152 | } | |
153 | ||
154 | // -------------------------------------------------------------------- | |
155 | ||
156 | /** | |
157 | * Version number query string | |
158 | * | |
159 | * @access public | |
160 | * @return string | |
161 | */ | |
162 | function _version() | |
163 | { | |
164 | return "SELECT version() AS ver"; | |
165 | } | |
166 | ||
167 | // -------------------------------------------------------------------- | |
168 | ||
169 | /** | |
170 | * Execute the query | |
171 | * | |
172 | * @access private called by the base class | |
173 | * @param string an SQL query | |
174 | * @return resource | |
175 | */ | |
176 | function _execute($sql) | |
177 | { | |
178 | $sql = $this->_prep_query($sql); | |
179 | return @mysql_query($sql, $this->conn_id); | |
180 | } | |
181 | ||
182 | // -------------------------------------------------------------------- | |
183 | ||
184 | /** | |
185 | * Prep the query | |
186 | * | |
187 | * If needed, each database adapter can prep the query string | |
188 | * | |
189 | * @access private called by execute() | |
190 | * @param string an SQL query | |
191 | * @return string | |
192 | */ | |
193 | function _prep_query($sql) | |
194 | { | |
195 | // "DELETE FROM TABLE" returns 0 affected rows This hack modifies | |
196 | // the query so that it returns the number of affected rows | |
197 | if ($this->delete_hack === TRUE) | |
198 | { | |
199 | if (preg_match('/^\s*DELETE\s+FROM\s+(\S+)\s*$/i', $sql)) | |
200 | { | |
201 | $sql = preg_replace("/^\s*DELETE\s+FROM\s+(\S+)\s*$/", "DELETE FROM \\1 WHERE 1=1", $sql); | |
202 | } | |
203 | } | |
204 | ||
205 | return $sql; | |
206 | } | |
207 | ||
208 | // -------------------------------------------------------------------- | |
209 | ||
210 | /** | |
211 | * Begin Transaction | |
212 | * | |
213 | * @access public | |
214 | * @return bool | |
215 | */ | |
216 | function trans_begin($test_mode = FALSE) | |
217 | { | |
218 | if ( ! $this->trans_enabled) | |
219 | { | |
220 | return TRUE; | |
221 | } | |
222 | ||
223 | // When transactions are nested we only begin/commit/rollback the outermost ones | |
224 | if ($this->_trans_depth > 0) | |
225 | { | |
226 | return TRUE; | |
227 | } | |
228 | ||
229 | // Reset the transaction failure flag. | |
230 | // If the $test_mode flag is set to TRUE transactions will be rolled back | |
231 | // even if the queries produce a successful result. | |
232 | $this->_trans_failure = ($test_mode === TRUE) ? TRUE : FALSE; | |
233 | ||
234 | $this->simple_query('SET AUTOCOMMIT=0'); | |
235 | $this->simple_query('START TRANSACTION'); // can also be BEGIN or BEGIN WORK | |
236 | return TRUE; | |
237 | } | |
238 | ||
239 | // -------------------------------------------------------------------- | |
240 | ||
241 | /** | |
242 | * Commit Transaction | |
243 | * | |
244 | * @access public | |
245 | * @return bool | |
246 | */ | |
247 | function trans_commit() | |
248 | { | |
249 | if ( ! $this->trans_enabled) | |
250 | { | |
251 | return TRUE; | |
252 | } | |
253 | ||
254 | // When transactions are nested we only begin/commit/rollback the outermost ones | |
255 | if ($this->_trans_depth > 0) | |
256 | { | |
257 | return TRUE; | |
258 | } | |
259 | ||
260 | $this->simple_query('COMMIT'); | |
261 | $this->simple_query('SET AUTOCOMMIT=1'); | |
262 | return TRUE; | |
263 | } | |
264 | ||
265 | // -------------------------------------------------------------------- | |
266 | ||
267 | /** | |
268 | * Rollback Transaction | |
269 | * | |
270 | * @access public | |
271 | * @return bool | |
272 | */ | |
273 | function trans_rollback() | |
274 | { | |
275 | if ( ! $this->trans_enabled) | |
276 | { | |
277 | return TRUE; | |
278 | } | |
279 | ||
280 | // When transactions are nested we only begin/commit/rollback the outermost ones | |
281 | if ($this->_trans_depth > 0) | |
282 | { | |
283 | return TRUE; | |
284 | } | |
285 | ||
286 | $this->simple_query('ROLLBACK'); | |
287 | $this->simple_query('SET AUTOCOMMIT=1'); | |
288 | return TRUE; | |
289 | } | |
290 | ||
291 | // -------------------------------------------------------------------- | |
292 | ||
293 | /** | |
294 | * Escape String | |
295 | * | |
296 | * @access public | |
297 | * @param string | |
298 | * @param bool whether or not the string will be used in a LIKE condition | |
299 | * @return string | |
300 | */ | |
301 | function escape_str($str, $like = FALSE) | |
302 | { | |
303 | if (is_array($str)) | |
304 | { | |
305 | foreach ($str as $key => $val) | |
306 | { | |
307 | $str[$key] = $this->escape_str($val, $like); | |
308 | } | |
309 | ||
310 | return $str; | |
311 | } | |
312 | ||
313 | if (function_exists('mysql_real_escape_string') AND is_resource($this->conn_id)) | |
314 | { | |
315 | $str = mysql_real_escape_string($str, $this->conn_id); | |
316 | } | |
317 | elseif (function_exists('mysql_escape_string')) | |
318 | { | |
319 | $str = mysql_escape_string($str); | |
320 | } | |
321 | else | |
322 | { | |
323 | $str = addslashes($str); | |
324 | } | |
325 | ||
326 | // escape LIKE condition wildcards | |
327 | if ($like === TRUE) | |
328 | { | |
329 | $str = str_replace(array('%', '_'), array('\\%', '\\_'), $str); | |
330 | } | |
331 | ||
332 | return $str; | |
333 | } | |
334 | ||
335 | // -------------------------------------------------------------------- | |
336 | ||
337 | /** | |
338 | * Affected Rows | |
339 | * | |
340 | * @access public | |
341 | * @return integer | |
342 | */ | |
343 | function affected_rows() | |
344 | { | |
345 | return @mysql_affected_rows($this->conn_id); | |
346 | } | |
347 | ||
348 | // -------------------------------------------------------------------- | |
349 | ||
350 | /** | |
351 | * Insert ID | |
352 | * | |
353 | * @access public | |
354 | * @return integer | |
355 | */ | |
356 | function insert_id() | |
357 | { | |
358 | return @mysql_insert_id($this->conn_id); | |
359 | } | |
360 | ||
361 | // -------------------------------------------------------------------- | |
362 | ||
363 | /** | |
364 | * "Count All" query | |
365 | * | |
366 | * Generates a platform-specific query string that counts all records in | |
367 | * the specified database | |
368 | * | |
369 | * @access public | |
370 | * @param string | |
371 | * @return string | |
372 | */ | |
373 | function count_all($table = '') | |
374 | { | |
375 | if ($table == '') | |
376 | { | |
377 | return 0; | |
378 | } | |
379 | ||
380 | $query = $this->query($this->_count_string . $this->_protect_identifiers('numrows') . " FROM " . $this->_protect_identifiers($table, TRUE, NULL, FALSE)); | |
381 | ||
382 | if ($query->num_rows() == 0) | |
383 | { | |
384 | return 0; | |
385 | } | |
386 | ||
387 | $row = $query->row(); | |
388 | $this->_reset_select(); | |
389 | return (int) $row->numrows; | |
390 | } | |
391 | ||
392 | // -------------------------------------------------------------------- | |
393 | ||
394 | /** | |
395 | * List table query | |
396 | * | |
397 | * Generates a platform-specific query string so that the table names can be fetched | |
398 | * | |
399 | * @access private | |
400 | * @param boolean | |
401 | * @return string | |
402 | */ | |
403 | function _list_tables($prefix_limit = FALSE) | |
404 | { | |
405 | $sql = "SHOW TABLES FROM ".$this->_escape_char.$this->database.$this->_escape_char; | |
406 | ||
407 | if ($prefix_limit !== FALSE AND $this->dbprefix != '') | |
408 | { | |
409 | $sql .= " LIKE '".$this->escape_like_str($this->dbprefix)."%'"; | |
410 | } | |
411 | ||
412 | return $sql; | |
413 | } | |
414 | ||
415 | // -------------------------------------------------------------------- | |
416 | ||
417 | /** | |
418 | * Show column query | |
419 | * | |
420 | * Generates a platform-specific query string so that the column names can be fetched | |
421 | * | |
422 | * @access public | |
423 | * @param string the table name | |
424 | * @return string | |
425 | */ | |
426 | function _list_columns($table = '') | |
427 | { | |
428 | return "SHOW COLUMNS FROM ".$this->_protect_identifiers($table, TRUE, NULL, FALSE); | |
429 | } | |
430 | ||
431 | // -------------------------------------------------------------------- | |
432 | ||
433 | /** | |
434 | * Field data query | |
435 | * | |
436 | * Generates a platform-specific query so that the column data can be retrieved | |
437 | * | |
438 | * @access public | |
439 | * @param string the table name | |
440 | * @return object | |
441 | */ | |
442 | function _field_data($table) | |
443 | { | |
444 | return "DESCRIBE ".$table; | |
445 | } | |
446 | ||
447 | // -------------------------------------------------------------------- | |
448 | ||
449 | /** | |
450 | * The error message string | |
451 | * | |
452 | * @access private | |
453 | * @return string | |
454 | */ | |
455 | function _error_message() | |
456 | { | |
457 | return mysql_error($this->conn_id); | |
458 | } | |
459 | ||
460 | // -------------------------------------------------------------------- | |
461 | ||
462 | /** | |
463 | * The error message number | |
464 | * | |
465 | * @access private | |
466 | * @return integer | |
467 | */ | |
468 | function _error_number() | |
469 | { | |
470 | return mysql_errno($this->conn_id); | |
471 | } | |
472 | ||
473 | // -------------------------------------------------------------------- | |
474 | ||
475 | /** | |
476 | * Escape the SQL Identifiers | |
477 | * | |
478 | * This function escapes column and table names | |
479 | * | |
480 | * @access private | |
481 | * @param string | |
482 | * @return string | |
483 | */ | |
484 | function _escape_identifiers($item) | |
485 | { | |
486 | if ($this->_escape_char == '') | |
487 | { | |
488 | return $item; | |
489 | } | |
490 | ||
491 | foreach ($this->_reserved_identifiers as $id) | |
492 | { | |
493 | if (strpos($item, '.'.$id) !== FALSE) | |
494 | { | |
495 | $str = $this->_escape_char. str_replace('.', $this->_escape_char.'.', $item); | |
496 | ||
497 | // remove duplicates if the user already included the escape | |
498 | return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); | |
499 | } | |
500 | } | |
501 | ||
502 | if (strpos($item, '.') !== FALSE) | |
503 | { | |
504 | $str = $this->_escape_char.str_replace('.', $this->_escape_char.'.'.$this->_escape_char, $item).$this->_escape_char; | |
505 | } | |
506 | else | |
507 | { | |
508 | $str = $this->_escape_char.$item.$this->_escape_char; | |
509 | } | |
510 | ||
511 | // remove duplicates if the user already included the escape | |
512 | return preg_replace('/['.$this->_escape_char.']+/', $this->_escape_char, $str); | |
513 | } | |
514 | ||
515 | // -------------------------------------------------------------------- | |
516 | ||
517 | /** | |
518 | * From Tables | |
519 | * | |
520 | * This function implicitly groups FROM tables so there is no confusion | |
521 | * about operator precedence in harmony with SQL standards | |
522 | * | |
523 | * @access public | |
524 | * @param type | |
525 | * @return type | |
526 | */ | |
527 | function _from_tables($tables) | |
528 | { | |
529 | if ( ! is_array($tables)) | |
530 | { | |
531 | $tables = array($tables); | |
532 | } | |
533 | ||
534 | return '('.implode(', ', $tables).')'; | |
535 | } | |
536 | ||
537 | // -------------------------------------------------------------------- | |
538 | ||
539 | /** | |
540 | * Insert statement | |
541 | * | |
542 | * Generates a platform-specific insert string from the supplied data | |
543 | * | |
544 | * @access public | |
545 | * @param string the table name | |
546 | * @param array the insert keys | |
547 | * @param array the insert values | |
548 | * @return string | |
549 | */ | |
550 | function _insert($table, $keys, $values) | |
551 | { | |
552 | return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; | |
553 | } | |
554 | ||
555 | // -------------------------------------------------------------------- | |
556 | ||
557 | ||
558 | /** | |
559 | * Replace statement | |
560 | * | |
561 | * Generates a platform-specific replace string from the supplied data | |
562 | * | |
563 | * @access public | |
564 | * @param string the table name | |
565 | * @param array the insert keys | |
566 | * @param array the insert values | |
567 | * @return string | |
568 | */ | |
569 | function _replace($table, $keys, $values) | |
570 | { | |
571 | return "REPLACE INTO ".$table." (".implode(', ', $keys).") VALUES (".implode(', ', $values).")"; | |
572 | } | |
573 | ||
574 | // -------------------------------------------------------------------- | |
575 | ||
576 | /** | |
577 | * Insert_batch statement | |
578 | * | |
579 | * Generates a platform-specific insert string from the supplied data | |
580 | * | |
581 | * @access public | |
582 | * @param string the table name | |
583 | * @param array the insert keys | |
584 | * @param array the insert values | |
585 | * @return string | |
586 | */ | |
587 | function _insert_batch($table, $keys, $values) | |
588 | { | |
589 | return "INSERT INTO ".$table." (".implode(', ', $keys).") VALUES ".implode(', ', $values); | |
590 | } | |
591 | ||
592 | // -------------------------------------------------------------------- | |
593 | ||
594 | ||
595 | /** | |
596 | * Update statement | |
597 | * | |
598 | * Generates a platform-specific update string from the supplied data | |
599 | * | |
600 | * @access public | |
601 | * @param string the table name | |
602 | * @param array the update data | |
603 | * @param array the where clause | |
604 | * @param array the orderby clause | |
605 | * @param array the limit clause | |
606 | * @return string | |
607 | */ | |
608 | function _update($table, $values, $where, $orderby = array(), $limit = FALSE) | |
609 | { | |
610 | foreach ($values as $key => $val) | |
611 | { | |
612 | $valstr[] = $key . ' = ' . $val; | |
613 | } | |
614 | ||
615 | $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; | |
616 | ||
617 | $orderby = (count($orderby) >= 1)?' ORDER BY '.implode(", ", $orderby):''; | |
618 | ||
619 | $sql = "UPDATE ".$table." SET ".implode(', ', $valstr); | |
620 | ||
621 | $sql .= ($where != '' AND count($where) >=1) ? " WHERE ".implode(" ", $where) : ''; | |
622 | ||
623 | $sql .= $orderby.$limit; | |
624 | ||
625 | return $sql; | |
626 | } | |
627 | ||
628 | // -------------------------------------------------------------------- | |
629 | ||
630 | ||
631 | /** | |
632 | * Update_Batch statement | |
633 | * | |
634 | * Generates a platform-specific batch update string from the supplied data | |
635 | * | |
636 | * @access public | |
637 | * @param string the table name | |
638 | * @param array the update data | |
639 | * @param array the where clause | |
640 | * @return string | |
641 | */ | |
642 | function _update_batch($table, $values, $index, $where = NULL) | |
643 | { | |
644 | $ids = array(); | |
645 | $where = ($where != '' AND count($where) >=1) ? implode(" ", $where).' AND ' : ''; | |
646 | ||
647 | foreach ($values as $key => $val) | |
648 | { | |
649 | $ids[] = $val[$index]; | |
650 | ||
651 | foreach (array_keys($val) as $field) | |
652 | { | |
653 | if ($field != $index) | |
654 | { | |
655 | $final[$field][] = 'WHEN '.$index.' = '.$val[$index].' THEN '.$val[$field]; | |
656 | } | |
657 | } | |
658 | } | |
659 | ||
660 | $sql = "UPDATE ".$table." SET "; | |
661 | $cases = ''; | |
662 | ||
663 | foreach ($final as $k => $v) | |
664 | { | |
665 | $cases .= $k.' = CASE '."\n"; | |
666 | foreach ($v as $row) | |
667 | { | |
668 | $cases .= $row."\n"; | |
669 | } | |
670 | ||
671 | $cases .= 'ELSE '.$k.' END, '; | |
672 | } | |
673 | ||
674 | $sql .= substr($cases, 0, -2); | |
675 | ||
676 | $sql .= ' WHERE '.$where.$index.' IN ('.implode(',', $ids).')'; | |
677 | ||
678 | return $sql; | |
679 | } | |
680 | ||
681 | // -------------------------------------------------------------------- | |
682 | ||
683 | ||
684 | /** | |
685 | * Truncate statement | |
686 | * | |
687 | * Generates a platform-specific truncate string from the supplied data | |
688 | * If the database does not support the truncate() command | |
689 | * This function maps to "DELETE FROM table" | |
690 | * | |
691 | * @access public | |
692 | * @param string the table name | |
693 | * @return string | |
694 | */ | |
695 | function _truncate($table) | |
696 | { | |
697 | return "TRUNCATE ".$table; | |
698 | } | |
699 | ||
700 | // -------------------------------------------------------------------- | |
701 | ||
702 | /** | |
703 | * Delete statement | |
704 | * | |
705 | * Generates a platform-specific delete string from the supplied data | |
706 | * | |
707 | * @access public | |
708 | * @param string the table name | |
709 | * @param array the where clause | |
710 | * @param string the limit clause | |
711 | * @return string | |
712 | */ | |
713 | function _delete($table, $where = array(), $like = array(), $limit = FALSE) | |
714 | { | |
715 | $conditions = ''; | |
716 | ||
717 | if (count($where) > 0 OR count($like) > 0) | |
718 | { | |
719 | $conditions = "\nWHERE "; | |
720 | $conditions .= implode("\n", $this->ar_where); | |
721 | ||
722 | if (count($where) > 0 && count($like) > 0) | |
723 | { | |
724 | $conditions .= " AND "; | |
725 | } | |
726 | $conditions .= implode("\n", $like); | |
727 | } | |
728 | ||
729 | $limit = ( ! $limit) ? '' : ' LIMIT '.$limit; | |
730 | ||
731 | return "DELETE FROM ".$table.$conditions.$limit; | |
732 | } | |
733 | ||
734 | // -------------------------------------------------------------------- | |
735 | ||
736 | /** | |
737 | * Limit string | |
738 | * | |
739 | * Generates a platform-specific LIMIT clause | |
740 | * | |
741 | * @access public | |
742 | * @param string the sql query string | |
743 | * @param integer the number of rows to limit the query to | |
744 | * @param integer the offset value | |
745 | * @return string | |
746 | */ | |
747 | function _limit($sql, $limit, $offset) | |
748 | { | |
749 | if ($offset == 0) | |
750 | { | |
751 | $offset = ''; | |
752 | } | |
753 | else | |
754 | { | |
755 | $offset .= ", "; | |
756 | } | |
757 | ||
758 | return $sql."LIMIT ".$offset.$limit; | |
759 | } | |
760 | ||
761 | // -------------------------------------------------------------------- | |
762 | ||
763 | /** | |
764 | * Close DB Connection | |
765 | * | |
766 | * @access public | |
767 | * @param resource | |
768 | * @return void | |
769 | */ | |
770 | function _close($conn_id) | |
771 | { | |
772 | @mysql_close($conn_id); | |
773 | } | |
774 | ||
775 | } | |
776 | ||
777 | ||
778 | /* End of file mysql_driver.php */ | |
779 | /* Location: ./system/database/drivers/mysql/mysql_driver.php */ |