ILIAS  release_5-1 Revision 5.0.0-5477-g43f3e3fab5f
MDB2.php
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1<?php
2// vim: set et ts=4 sw=4 fdm=marker:
3// +----------------------------------------------------------------------+
4// | PHP versions 4 and 5 |
5// +----------------------------------------------------------------------+
6// | Copyright (c) 1998-2007 Manuel Lemos, Tomas V.V.Cox, |
7// | Stig. S. Bakken, Lukas Smith |
8// | All rights reserved. |
9// +----------------------------------------------------------------------+
10// | MDB2 is a merge of PEAR DB and Metabases that provides a unified DB |
11// | API as well as database abstraction for PHP applications. |
12// | This LICENSE is in the BSD license style. |
13// | |
14// | Redistribution and use in source and binary forms, with or without |
15// | modification, are permitted provided that the following conditions |
16// | are met: |
17// | |
18// | Redistributions of source code must retain the above copyright |
19// | notice, this list of conditions and the following disclaimer. |
20// | |
21// | Redistributions in binary form must reproduce the above copyright |
22// | notice, this list of conditions and the following disclaimer in the |
23// | documentation and/or other materials provided with the distribution. |
24// | |
25// | Neither the name of Manuel Lemos, Tomas V.V.Cox, Stig. S. Bakken, |
26// | Lukas Smith nor the names of his contributors may be used to endorse |
27// | or promote products derived from this software without specific prior|
28// | written permission. |
29// | |
30// | THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
31// | "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
32// | LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
33// | FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
34// | REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
35// | INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
36// | BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS|
37// | OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
38// | AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
39// | LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY|
40// | WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
41// | POSSIBILITY OF SUCH DAMAGE. |
42// +----------------------------------------------------------------------+
43// | Author: Lukas Smith <smith@pooteeweet.org> |
44// +----------------------------------------------------------------------+
45//
46// $Id: MDB2.php,v 1.292 2007/04/25 09:31:01 quipo Exp $
47//
48
55require_once 'PEAR.php';
56
57// {{{ Error constants
58
67define('MDB2_OK', true);
68define('MDB2_ERROR', -1);
69define('MDB2_ERROR_SYNTAX', -2);
70define('MDB2_ERROR_CONSTRAINT', -3);
71define('MDB2_ERROR_NOT_FOUND', -4);
72define('MDB2_ERROR_ALREADY_EXISTS', -5);
73define('MDB2_ERROR_UNSUPPORTED', -6);
74define('MDB2_ERROR_MISMATCH', -7);
75define('MDB2_ERROR_INVALID', -8);
76define('MDB2_ERROR_NOT_CAPABLE', -9);
77define('MDB2_ERROR_TRUNCATED', -10);
78define('MDB2_ERROR_INVALID_NUMBER', -11);
79define('MDB2_ERROR_INVALID_DATE', -12);
80define('MDB2_ERROR_DIVZERO', -13);
81define('MDB2_ERROR_NODBSELECTED', -14);
82define('MDB2_ERROR_CANNOT_CREATE', -15);
83define('MDB2_ERROR_CANNOT_DELETE', -16);
84define('MDB2_ERROR_CANNOT_DROP', -17);
85define('MDB2_ERROR_NOSUCHTABLE', -18);
86define('MDB2_ERROR_NOSUCHFIELD', -19);
87define('MDB2_ERROR_NEED_MORE_DATA', -20);
88define('MDB2_ERROR_NOT_LOCKED', -21);
89define('MDB2_ERROR_VALUE_COUNT_ON_ROW', -22);
90define('MDB2_ERROR_INVALID_DSN', -23);
91define('MDB2_ERROR_CONNECT_FAILED', -24);
92define('MDB2_ERROR_EXTENSION_NOT_FOUND',-25);
93define('MDB2_ERROR_NOSUCHDB', -26);
94define('MDB2_ERROR_ACCESS_VIOLATION', -27);
95define('MDB2_ERROR_CANNOT_REPLACE', -28);
96define('MDB2_ERROR_CONSTRAINT_NOT_NULL',-29);
97define('MDB2_ERROR_DEADLOCK', -30);
98define('MDB2_ERROR_CANNOT_ALTER', -31);
99define('MDB2_ERROR_MANAGER', -32);
100define('MDB2_ERROR_MANAGER_PARSE', -33);
101define('MDB2_ERROR_LOADMODULE', -34);
102define('MDB2_ERROR_INSUFFICIENT_DATA', -35);
103// }}}
104// {{{ Verbose constants
109define('MDB2_PREPARE_MANIP', false);
110define('MDB2_PREPARE_RESULT', null);
111
112// }}}
113// {{{ Fetchmode constants
114
119define('MDB2_FETCHMODE_DEFAULT', 0);
120
124define('MDB2_FETCHMODE_ORDERED', 1);
125
129define('MDB2_FETCHMODE_ASSOC', 2);
130
134define('MDB2_FETCHMODE_OBJECT', 3);
135
142define('MDB2_FETCHMODE_FLIPPED', 4);
143
144// }}}
145// {{{ Portability mode constants
146
151define('MDB2_PORTABILITY_NONE', 0);
152
158define('MDB2_PORTABILITY_FIX_CASE', 1);
159
164define('MDB2_PORTABILITY_RTRIM', 2);
165
170define('MDB2_PORTABILITY_DELETE_COUNT', 4);
171
176define('MDB2_PORTABILITY_NUMROWS', 8);
177
191define('MDB2_PORTABILITY_ERRORS', 16);
192
198define('MDB2_PORTABILITY_EMPTY_TO_NULL', 32);
199
204define('MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES', 64);
205
210define('MDB2_PORTABILITY_ALL', 127);
211
212// }}}
213// {{{ Globals for class instance tracking
214
219$GLOBALS['_MDB2_databases'] = array();
220$GLOBALS['_MDB2_dsninfo_default'] = array(
221 'phptype' => false,
222 'dbsyntax' => false,
223 'username' => false,
224 'password' => false,
225 'protocol' => false,
226 'hostspec' => false,
227 'port' => false,
228 'socket' => false,
229 'database' => false,
230 'mode' => false,
231);
232
233// }}}
234// {{{ class MDB2
235
265class MDB2
266{
267 // {{{ function setOptions(&$db, $options)
268
279 function setOptions(&$db, $options)
280 {
281 if (is_array($options)) {
282 foreach ($options as $option => $value) {
283 $test = $db->setOption($option, $value);
284 if (PEAR::isError($test)) {
285 return $test;
286 }
287 }
288 }
289 return MDB2_OK;
290 }
291
292 // }}}
293 // {{{ function classExists($classname)
294
304 function classExists($classname)
305 {
306 if (version_compare(phpversion(), "5.0", ">=")) {
307 return class_exists($classname, false);
308 }
309 return class_exists($classname);
310 }
311
312 // }}}
313 // {{{ function loadClass($class_name, $debug)
314
325 function loadClass($class_name, $debug)
326 {
327 if (!MDB2::classExists($class_name)) {
328 $file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
329 if ($debug) {
330 $include = include_once($file_name);
331 } else {
332 $include = @include_once($file_name);
333 }
334 if (!$include) {
335 if (!MDB2::fileExists($file_name)) {
336 $msg = "unable to find package '$class_name' file '$file_name'";
337 } else {
338 $msg = "unable to load class '$class_name' from file '$file_name'";
339 }
340 $err =& MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null, $msg);
341 return $err;
342 }
343 }
344 return MDB2_OK;
345 }
346
347 // }}}
348 // {{{ function &factory($dsn, $options = false)
349
374 function &factory($dsn, $options = false)
375 {
376 $dsninfo = MDB2::parseDSN($dsn);
377 if (empty($dsninfo['phptype'])) {
379 null, null, 'no RDBMS driver specified');
380 return $err;
381 }
382 $class_name = 'MDB2_Driver_'.$dsninfo['phptype'];
383
384 $debug = (!empty($options['debug']));
385 $err = MDB2::loadClass($class_name, $debug);
386 if (PEAR::isError($err)) {
387 return $err;
388 }
389
390 $db =& new $class_name();
391 $db->setDSN($dsninfo);
392 $err = MDB2::setOptions($db, $options);
393 if (PEAR::isError($err)) {
394 return $err;
395 }
396
397 return $db;
398 }
399
400 // }}}
401 // {{{ function &connect($dsn, $options = false)
402
431 function &connect($dsn, $options = false)
432 {
433 $db =& MDB2::factory($dsn, $options);
434 if (PEAR::isError($db)) {
435 return $db;
436 }
437
438 $err = $db->connect();
439 if (PEAR::isError($err)) {
440 $dsn = $db->getDSN('string', 'xxx');
441 $db->disconnect();
442 $err->addUserInfo($dsn);
443 return $err;
444 }
445
446 return $db;
447 }
448
449 // }}}
450 // {{{ function &singleton($dsn = null, $options = false)
451
481 function &singleton($dsn = null, $options = false)
482 {
483 if ($dsn) {
484 $dsninfo = MDB2::parseDSN($dsn);
485 $dsninfo = array_merge($GLOBALS['_MDB2_dsninfo_default'], $dsninfo);
486 $keys = array_keys($GLOBALS['_MDB2_databases']);
487 for ($i=0, $j=count($keys); $i<$j; ++$i) {
488 if (isset($GLOBALS['_MDB2_databases'][$keys[$i]])) {
489 $tmp_dsn = $GLOBALS['_MDB2_databases'][$keys[$i]]->getDSN('array');
490 if (count(array_diff_assoc($tmp_dsn, $dsninfo)) == 0) {
491 MDB2::setOptions($GLOBALS['_MDB2_databases'][$keys[$i]], $options);
492 return $GLOBALS['_MDB2_databases'][$keys[$i]];
493 }
494 }
495 }
496 } elseif (is_array($GLOBALS['_MDB2_databases']) && reset($GLOBALS['_MDB2_databases'])) {
497 $db =& $GLOBALS['_MDB2_databases'][key($GLOBALS['_MDB2_databases'])];
498 return $db;
499 }
500 $db =& MDB2::factory($dsn, $options);
501 return $db;
502 }
503
504 // }}}
505 // {{{ function loadFile($file)
506
516 function loadFile($file)
517 {
518 $file_name = 'MDB2'.DIRECTORY_SEPARATOR.$file.'.php';
519 if (!MDB2::fileExists($file_name)) {
520 return MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null,
521 'unable to find: '.$file_name);
522 }
523 if (!include_once($file_name)) {
524 return MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null,
525 'unable to load driver class: '.$file_name);
526 }
527 return $file_name;
528 }
529
530 // }}}
531 // {{{ function apiVersion()
532
540 function apiVersion()
541 {
542 return '2.4.1';
543 }
544
545 // }}}
546 // {{{ function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
547
572 function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
573 {
574 $err =& PEAR::raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
575 return $err;
576 }
577
578 // }}}
579 // {{{ function isError($data, $code = null)
580
594 function isError($data, $code = null)
595 {
596 if (is_a($data, 'MDB2_Error')) {
597 if (is_null($code)) {
598 return true;
599 } elseif (is_string($code)) {
600 return $data->getMessage() === $code;
601 } else {
602 $code = (array)$code;
603 return in_array($data->getCode(), $code);
604 }
605 }
606 return false;
607 }
608
609 // }}}
610 // {{{ function isConnection($value)
611
621 function isConnection($value)
622 {
623 return is_a($value, 'MDB2_Driver_Common');
624 }
625
626 // }}}
627 // {{{ function isResult($value)
628
638 function isResult($value)
639 {
640 return is_a($value, 'MDB2_Result');
641 }
642
643 // }}}
644 // {{{ function isResultCommon($value)
645
655 function isResultCommon($value)
656 {
657 return is_a($value, 'MDB2_Result_Common');
658 }
659
660 // }}}
661 // {{{ function isStatement($value)
662
672 function isStatement($value)
673 {
674 return is_a($value, 'MDB2_Statement');
675 }
676
677 // }}}
678 // {{{ function errorMessage($value = null)
679
692 function errorMessage($value = null)
693 {
694 static $errorMessages;
695
696 if (is_array($value)) {
697 $errorMessages = $value;
698 return MDB2_OK;
699 }
700
701 if (!isset($errorMessages)) {
702 $errorMessages = array(
703 MDB2_OK => 'no error',
704 MDB2_ERROR => 'unknown error',
705 MDB2_ERROR_ALREADY_EXISTS => 'already exists',
706 MDB2_ERROR_CANNOT_CREATE => 'can not create',
707 MDB2_ERROR_CANNOT_ALTER => 'can not alter',
708 MDB2_ERROR_CANNOT_REPLACE => 'can not replace',
709 MDB2_ERROR_CANNOT_DELETE => 'can not delete',
710 MDB2_ERROR_CANNOT_DROP => 'can not drop',
711 MDB2_ERROR_CONSTRAINT => 'constraint violation',
712 MDB2_ERROR_CONSTRAINT_NOT_NULL=> 'null value violates not-null constraint',
713 MDB2_ERROR_DIVZERO => 'division by zero',
714 MDB2_ERROR_INVALID => 'invalid',
715 MDB2_ERROR_INVALID_DATE => 'invalid date or time',
716 MDB2_ERROR_INVALID_NUMBER => 'invalid number',
717 MDB2_ERROR_MISMATCH => 'mismatch',
718 MDB2_ERROR_NODBSELECTED => 'no database selected',
719 MDB2_ERROR_NOSUCHFIELD => 'no such field',
720 MDB2_ERROR_NOSUCHTABLE => 'no such table',
721 MDB2_ERROR_NOT_CAPABLE => 'MDB2 backend not capable',
722 MDB2_ERROR_NOT_FOUND => 'not found',
723 MDB2_ERROR_NOT_LOCKED => 'not locked',
724 MDB2_ERROR_SYNTAX => 'syntax error',
725 MDB2_ERROR_UNSUPPORTED => 'not supported',
726 MDB2_ERROR_VALUE_COUNT_ON_ROW => 'value count on row',
727 MDB2_ERROR_INVALID_DSN => 'invalid DSN',
728 MDB2_ERROR_CONNECT_FAILED => 'connect failed',
729 MDB2_ERROR_NEED_MORE_DATA => 'insufficient data supplied',
730 MDB2_ERROR_EXTENSION_NOT_FOUND=> 'extension not found',
731 MDB2_ERROR_NOSUCHDB => 'no such database',
732 MDB2_ERROR_ACCESS_VIOLATION => 'insufficient permissions',
733 MDB2_ERROR_LOADMODULE => 'error while including on demand module',
734 MDB2_ERROR_TRUNCATED => 'truncated',
735 MDB2_ERROR_DEADLOCK => 'deadlock detected',
736 );
737 }
738
739 if (is_null($value)) {
740 return $errorMessages;
741 }
742
743 if (PEAR::isError($value)) {
744 $value = $value->getCode();
745 }
746
747 return isset($errorMessages[$value]) ?
748 $errorMessages[$value] : $errorMessages[MDB2_ERROR];
749 }
750
751 // }}}
752 // {{{ function parseDSN($dsn)
753
791 function parseDSN($dsn)
792 {
793 $parsed = $GLOBALS['_MDB2_dsninfo_default'];
794
795 if (is_array($dsn)) {
796 $dsn = array_merge($parsed, $dsn);
797 if (!$dsn['dbsyntax']) {
798 $dsn['dbsyntax'] = $dsn['phptype'];
799 }
800 return $dsn;
801 }
802
803 // Find phptype and dbsyntax
804 if (($pos = strpos($dsn, '://')) !== false) {
805 $str = substr($dsn, 0, $pos);
806 $dsn = substr($dsn, $pos + 3);
807 } else {
808 $str = $dsn;
809 $dsn = null;
810 }
811
812 // Get phptype and dbsyntax
813 // $str => phptype(dbsyntax)
814 if (preg_match('|^(.+?)\‍((.*?)\‍)$|', $str, $arr)) {
815 $parsed['phptype'] = $arr[1];
816 $parsed['dbsyntax'] = !$arr[2] ? $arr[1] : $arr[2];
817 } else {
818 $parsed['phptype'] = $str;
819 $parsed['dbsyntax'] = $str;
820 }
821
822 if (!count($dsn)) {
823 return $parsed;
824 }
825
826 // Get (if found): username and password
827 // $dsn => username:password@protocol+hostspec/database
828 if (($at = strrpos($dsn,'@')) !== false) {
829 $str = substr($dsn, 0, $at);
830 $dsn = substr($dsn, $at + 1);
831 if (($pos = strpos($str, ':')) !== false) {
832 $parsed['username'] = rawurldecode(substr($str, 0, $pos));
833 $parsed['password'] = rawurldecode(substr($str, $pos + 1));
834 } else {
835 $parsed['username'] = rawurldecode($str);
836 }
837 }
838
839 // Find protocol and hostspec
840
841 // $dsn => proto(proto_opts)/database
842 if (preg_match('|^([^(]+)\‍((.*?)\‍)/?(.*?)$|', $dsn, $match)) {
843 $proto = $match[1];
844 $proto_opts = $match[2] ? $match[2] : false;
845 $dsn = $match[3];
846
847 // $dsn => protocol+hostspec/database (old format)
848 } else {
849 if (strpos($dsn, '+') !== false) {
850 list($proto, $dsn) = explode('+', $dsn, 2);
851 }
852 if ( strpos($dsn, '//') === 0
853 && strpos($dsn, '/', 2) !== false
854 && $parsed['phptype'] == 'oci8'
855 ) {
856 //oracle's "Easy Connect" syntax:
857 //"username/password@[//]host[:port][/service_name]"
858 //e.g. "scott/tiger@//mymachine:1521/oracle"
859 $proto_opts = $dsn;
860 $dsn = null;
861 } elseif (strpos($dsn, '/') !== false) {
862 list($proto_opts, $dsn) = explode('/', $dsn, 2);
863 } else {
864 $proto_opts = $dsn;
865 $dsn = null;
866 }
867 }
868
869 // process the different protocol options
870 $parsed['protocol'] = (!empty($proto)) ? $proto : 'tcp';
871 $proto_opts = rawurldecode($proto_opts);
872 if (strpos($proto_opts, ':') !== false) {
873 list($proto_opts, $parsed['port']) = explode(':', $proto_opts);
874 }
875 if ($parsed['protocol'] == 'tcp') {
876 $parsed['hostspec'] = $proto_opts;
877 } elseif ($parsed['protocol'] == 'unix') {
878 $parsed['socket'] = $proto_opts;
879 }
880
881 // Get dabase if any
882 // $dsn => database
883 if ($dsn) {
884 // /database
885 if (($pos = strpos($dsn, '?')) === false) {
886 $parsed['database'] = $dsn;
887 // /database?param1=value1&param2=value2
888 } else {
889 $parsed['database'] = substr($dsn, 0, $pos);
890 $dsn = substr($dsn, $pos + 1);
891 if (strpos($dsn, '&') !== false) {
892 $opts = explode('&', $dsn);
893 } else { // database?param1=value1
894 $opts = array($dsn);
895 }
896 foreach ($opts as $opt) {
897 list($key, $value) = explode('=', $opt);
898 if (!isset($parsed[$key])) {
899 // don't allow params overwrite
900 $parsed[$key] = rawurldecode($value);
901 }
902 }
903 }
904 }
905
906 return $parsed;
907 }
908
909 // }}}
910 // {{{ function fileExists($file)
911
922 {
923 // safe_mode does notwork with is_readable()
924 if (!@ini_get('safe_mode')) {
925 $dirs = explode(PATH_SEPARATOR, ini_get('include_path'));
926 foreach ($dirs as $dir) {
927 if (@is_readable($dir . DIRECTORY_SEPARATOR . $file)) {
928 return true;
929 }
930 }
931 } else {
932 $fp = @fopen($file, 'r', true);
933 if (is_resource($fp)) {
934 @fclose($fp);
935 return true;
936 }
937 }
938 return false;
939 }
940 // }}}
941}
942
943// }}}
944// {{{ class MDB2_Error extends PEAR_Error
945
955{
956 // {{{ constructor: function MDB2_Error($code = MDB2_ERROR, $mode = PEAR_ERROR_RETURN, $level = E_USER_NOTICE, $debuginfo = null)
957
967 $level = E_USER_NOTICE, $debuginfo = null)
968 {
969 if (is_null($code)) {
971 }
972 $this->PEAR_Error('MDB2 Error: '.MDB2::errorMessage($code), $code,
973 $mode, $level, $debuginfo);
974 }
975
976 // }}}
977}
978
979// }}}
980// {{{ class MDB2_Driver_Common extends PEAR
981
990{
991 // {{{ Variables (Properties)
992
998 var $db_index = 0;
999
1005 var $dsn = array();
1006
1012 var $connected_dsn = array();
1013
1020
1027
1034
1041
1048
1054 var $supported = array(
1055 'sequences' => false,
1056 'indexes' => false,
1057 'affected_rows' => false,
1058 'summary_functions' => false,
1059 'order_by_text' => false,
1060 'transactions' => false,
1061 'savepoints' => false,
1062 'current_id' => false,
1063 'limit_queries' => false,
1064 'LOBs' => false,
1065 'replace' => false,
1066 'sub_selects' => false,
1067 'auto_increment' => false,
1068 'primary_key' => false,
1069 'result_introspection' => false,
1070 'prepared_statements' => false,
1071 'identifier_quoting' => false,
1072 'pattern_escaping' => false,
1073 'new_link' => false,
1074 );
1075
1122 var $options = array(
1123 'ssl' => false,
1124 'field_case' => CASE_LOWER,
1125 'disable_query' => false,
1126 'result_class' => 'MDB2_Result_%s',
1127 'buffered_result_class' => 'MDB2_BufferedResult_%s',
1128 'result_wrap_class' => false,
1129 'result_buffering' => true,
1130 'fetch_class' => 'stdClass',
1131 'persistent' => false,
1132 'debug' => 0,
1133 'debug_handler' => 'MDB2_defaultDebugOutput',
1134 'debug_expanded_output' => false,
1135 'default_text_field_length' => 4096,
1136 'lob_buffer_length' => 8192,
1137 'log_line_break' => "\n",
1138 'idxname_format' => '%s_idx',
1139 'seqname_format' => '%s_seq',
1140 'savepoint_format' => 'MDB2_SAVEPOINT_%s',
1141 'statement_format' => 'MDB2_STATEMENT_%1$s_%2$s',
1142 'seqcol_name' => 'sequence',
1143 'quote_identifier' => false,
1144 'use_transactions' => true,
1145 'decimal_places' => 2,
1146 'portability' => MDB2_PORTABILITY_ALL,
1147 'modules' => array(
1148 'ex' => 'Extended',
1149 'dt' => 'Datatype',
1150 'mg' => 'Manager',
1151 'rv' => 'Reverse',
1152 'na' => 'Native',
1153 'fc' => 'Function',
1154 ),
1155 'emulate_prepared' => false,
1156 'datatype_map' => array(),
1157 'datatype_map_callback' => array(),
1158 'nativetype_map_callback' => array(),
1159 );
1160
1166 var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => false, 'escape_pattern' => false);
1167
1173 var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
1174
1180 var $sql_comments = array(
1181 array('start' => '--', 'end' => "\n", 'escape' => false),
1182 array('start' => '/*', 'end' => '*/', 'escape' => false),
1183 );
1184
1190 var $wildcards = array('%', '_');
1191
1197 var $as_keyword = ' AS ';
1198
1204 var $warnings = array();
1205
1212
1218 var $in_transaction = false;
1219
1226
1233
1239 var $offset = 0;
1240
1246 var $limit = 0;
1247
1254
1261
1268
1275
1281 var $modules = array();
1282
1289
1290 // }}}
1291 // {{{ constructor: function __construct()
1292
1296 function __construct()
1297 {
1298 end($GLOBALS['_MDB2_databases']);
1299 $db_index = key($GLOBALS['_MDB2_databases']) + 1;
1300 $GLOBALS['_MDB2_databases'][$db_index] = &$this;
1301 $this->db_index = $db_index;
1302 }
1303
1304 // }}}
1305 // {{{ function MDB2_Driver_Common()
1306
1311 {
1312 $this->destructor_registered = false;
1313 $this->__construct();
1314 }
1315
1316 // }}}
1317 // {{{ destructor: function __destruct()
1318
1322 function __destruct()
1323 {
1324 $this->disconnect(false);
1325 }
1326
1327 // }}}
1328 // {{{ function free()
1329
1337 function free()
1338 {
1339 unset($GLOBALS['_MDB2_databases'][$this->db_index]);
1340 unset($this->db_index);
1341 return MDB2_OK;
1342 }
1343
1344 // }}}
1345 // {{{ function __toString()
1346
1354 function __toString()
1355 {
1356 $info = get_class($this);
1357 $info.= ': (phptype = '.$this->phptype.', dbsyntax = '.$this->dbsyntax.')';
1358 if ($this->connection) {
1359 $info.= ' [connected]';
1360 }
1361 return $info;
1362 }
1363
1364 // }}}
1365 // {{{ function errorInfo($error = null)
1366
1376 function errorInfo($error = null)
1377 {
1378 return array($error, null, null);
1379 }
1380
1381 // }}}
1382 // {{{ function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
1383
1407 function &raiseError($code = null, $mode = null, $options = null, $userinfo = null, $method = null)
1408 {
1409 $userinfo = "[Error message: $userinfo]\n";
1410 // The error is yet a MDB2 error object
1411 if (PEAR::isError($code)) {
1412 // because we use the static PEAR::raiseError, our global
1413 // handler should be used if it is set
1414 if (is_null($mode) && !empty($this->_default_error_mode)) {
1417 }
1418 if (is_null($userinfo)) {
1419 $userinfo = $code->getUserinfo();
1420 }
1421 $code = $code->getCode();
1422 } elseif ($code == MDB2_ERROR_NOT_FOUND) {
1423 // extension not loaded: don't call $this->errorInfo() or the script
1424 // will die
1425 } elseif (isset($this->connection)) {
1426 if (!empty($this->last_query)) {
1427 $userinfo.= "[Last executed query: {$this->last_query}]\n";
1428 }
1429 $native_errno = $native_msg = null;
1430 list($code, $native_errno, $native_msg) = $this->errorInfo($code);
1431 if (!is_null($native_errno) && $native_errno !== '') {
1432 $userinfo.= "[Native code: $native_errno]\n";
1433 }
1434 if (!is_null($native_msg) && $native_msg !== '') {
1435 $userinfo.= "[Native message: ". strip_tags($native_msg) ."]\n";
1436 }
1437 if (!is_null($method)) {
1438 $userinfo = $method.': '.$userinfo;
1439 }
1440 }
1441
1442 $err =& PEAR::raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
1443 if ($err->getMode() !== PEAR_ERROR_RETURN
1444 && isset($this->nested_transaction_counter) && !$this->has_transaction_error) {
1445 $this->has_transaction_error =& $err;
1446 }
1447 return $err;
1448 }
1449
1450 // }}}
1451 // {{{ function resetWarnings()
1452
1460 function resetWarnings()
1461 {
1462 $this->warnings = array();
1463 }
1464
1465 // }}}
1466 // {{{ function getWarnings()
1467
1477 function getWarnings()
1478 {
1479 return array_reverse($this->warnings);
1480 }
1481
1482 // }}}
1483 // {{{ function setFetchMode($fetchmode, $object_class = 'stdClass')
1484
1504 function setFetchMode($fetchmode, $object_class = 'stdClass')
1505 {
1506 switch ($fetchmode) {
1508 $this->options['fetch_class'] = $object_class;
1511 $this->fetchmode = $fetchmode;
1512 break;
1513 default:
1514 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1515 'invalid fetchmode mode', __FUNCTION__);
1516 }
1517
1518 return MDB2_OK;
1519 }
1520
1521 // }}}
1522 // {{{ function setOption($option, $value)
1523
1534 function setOption($option, $value)
1535 {
1536 if (array_key_exists($option, $this->options)) {
1537 $this->options[$option] = $value;
1538 return MDB2_OK;
1539 }
1540 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1541 "unknown option $option", __FUNCTION__);
1542 }
1543
1544 // }}}
1545 // {{{ function getOption($option)
1546
1556 function getOption($option)
1557 {
1558 if (array_key_exists($option, $this->options)) {
1559 return $this->options[$option];
1560 }
1561 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1562 "unknown option $option", __FUNCTION__);
1563 }
1564
1565 // }}}
1566 // {{{ function debug($message, $scope = '', $is_manip = null)
1567
1582 function debug($message, $scope = '', $context = array())
1583 {
1584 if ($this->options['debug'] && $this->options['debug_handler']) {
1585 if (!$this->options['debug_expanded_output']) {
1586 if (!empty($context['when']) && $context['when'] !== 'pre') {
1587 return null;
1588 }
1589 $context = empty($context['is_manip']) ? false : $context['is_manip'];
1590 }
1591 return call_user_func_array($this->options['debug_handler'], array(&$this, $scope, $message, $context));
1592 }
1593 return null;
1594 }
1595
1596 // }}}
1597 // {{{ function getDebugOutput()
1598
1607 {
1608 return $this->debug_output;
1609 }
1610
1611 // }}}
1612 // {{{ function escape($text)
1613
1625 function escape($text, $escape_wildcards = false)
1626 {
1627 if ($escape_wildcards) {
1628 $text = $this->escapePattern($text);
1629 }
1630
1631 $text = str_replace($this->string_quoting['end'], $this->string_quoting['escape'] . $this->string_quoting['end'], $text);
1632 return $text;
1633 }
1634
1635 // }}}
1636 // {{{ function escapePattern($text)
1637
1653 {
1654 if ($this->string_quoting['escape_pattern']) {
1655 $text = str_replace($this->string_quoting['escape_pattern'], $this->string_quoting['escape_pattern'] . $this->string_quoting['escape_pattern'], $text);
1656 foreach ($this->wildcards as $wildcard) {
1657 $text = str_replace($wildcard, $this->string_quoting['escape_pattern'] . $wildcard, $text);
1658 }
1659 }
1660 return $text;
1661 }
1662
1663 // }}}
1664 // {{{ function quoteIdentifier($str, $check_option = false)
1665
1700 function quoteIdentifier($str, $check_option = false)
1701 {
1702 if ($check_option && !$this->options['quote_identifier']) {
1703 return $str;
1704 }
1705 $str = str_replace($this->identifier_quoting['end'], $this->identifier_quoting['escape'] . $this->identifier_quoting['end'], $str);
1706 return $this->identifier_quoting['start'] . $str . $this->identifier_quoting['end'];
1707 }
1708
1709 // }}}
1710 // {{{ function getAsKeyword()
1711
1717 function getAsKeyword()
1718 {
1719 return $this->as_keyword;
1720 }
1721
1722 // }}}
1723 // {{{ function getConnection()
1724
1733 function getConnection()
1734 {
1735 $result = $this->connect();
1736 if (PEAR::isError($result)) {
1737 return $result;
1738 }
1739 return $this->connection;
1740 }
1741
1742 // }}}
1743 // {{{ function _fixResultArrayValues(&$row, $mode)
1744
1755 function _fixResultArrayValues(&$row, $mode)
1756 {
1757 switch ($mode) {
1759 foreach ($row as $key => $value) {
1760 if ($value === '') {
1761 $row[$key] = null;
1762 }
1763 }
1764 break;
1766 foreach ($row as $key => $value) {
1767 if (is_string($value)) {
1768 $row[$key] = rtrim($value);
1769 }
1770 }
1771 break;
1773 $tmp_row = array();
1774 foreach ($row as $key => $value) {
1775 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1776 }
1777 $row = $tmp_row;
1778 break;
1780 foreach ($row as $key => $value) {
1781 if ($value === '') {
1782 $row[$key] = null;
1783 } elseif (is_string($value)) {
1784 $row[$key] = rtrim($value);
1785 }
1786 }
1787 break;
1789 $tmp_row = array();
1790 foreach ($row as $key => $value) {
1791 if (is_string($value)) {
1792 $value = rtrim($value);
1793 }
1794 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1795 }
1796 $row = $tmp_row;
1797 break;
1799 $tmp_row = array();
1800 foreach ($row as $key => $value) {
1801 if ($value === '') {
1802 $value = null;
1803 }
1804 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1805 }
1806 $row = $tmp_row;
1807 break;
1809 $tmp_row = array();
1810 foreach ($row as $key => $value) {
1811 if ($value === '') {
1812 $value = null;
1813 } elseif (is_string($value)) {
1814 $value = rtrim($value);
1815 }
1816 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1817 }
1818 $row = $tmp_row;
1819 break;
1820 }
1821 }
1822
1823 // }}}
1824 // {{{ function &loadModule($module, $property = null, $phptype_specific = null)
1825
1840 function &loadModule($module, $property = null, $phptype_specific = null)
1841 {
1842 if (!$property) {
1843 $property = strtolower($module);
1844 }
1845
1846 if (!isset($this->{$property})) {
1847 $version = $phptype_specific;
1848 if ($phptype_specific !== false) {
1849 $version = true;
1850 $class_name = 'MDB2_Driver_'.$module.'_'.$this->phptype;
1851 $file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
1852 }
1853 if ($phptype_specific === false
1854 || (!MDB2::classExists($class_name) && !MDB2::fileExists($file_name))
1855 ) {
1856 $version = false;
1857 $class_name = 'MDB2_'.$module;
1858 $file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
1859 }
1860
1861 $err = MDB2::loadClass($class_name, $this->getOption('debug'));
1862 if (PEAR::isError($err)) {
1863 return $err;
1864 }
1865
1866 // load modul in a specific version
1867 if ($version) {
1868 if (method_exists($class_name, 'getClassName')) {
1869 $class_name_new = call_user_func(array($class_name, 'getClassName'), $this->db_index);
1870 if ($class_name != $class_name_new) {
1871 $class_name = $class_name_new;
1872 $err = MDB2::loadClass($class_name, $this->getOption('debug'));
1873 if (PEAR::isError($err)) {
1874 return $err;
1875 }
1876 }
1877 }
1878 }
1879
1880 if (!MDB2::classExists($class_name)) {
1881 $err =& $this->raiseError(MDB2_ERROR_LOADMODULE, null, null,
1882 "unable to load module '$module' into property '$property'", __FUNCTION__);
1883 return $err;
1884 }
1885 $this->{$property} =& new $class_name($this->db_index);
1886 $this->modules[$module] =& $this->{$property};
1887 if ($version) {
1888 // this will be used in the connect method to determine if the module
1889 // needs to be loaded with a different version if the server
1890 // version changed in between connects
1891 $this->loaded_version_modules[] = $property;
1892 }
1893 }
1894
1895 return $this->{$property};
1896 }
1897
1898 // }}}
1899 // {{{ function __call($method, $params)
1900
1909 function __call($method, $params)
1910 {
1911 $module = null;
1912 if (preg_match('/^([a-z]+)([A-Z])(.*)$/', $method, $match)
1913 && isset($this->options['modules'][$match[1]])
1914 ) {
1915 $module = $this->options['modules'][$match[1]];
1916 $method = strtolower($match[2]).$match[3];
1917 if (!isset($this->modules[$module]) || !is_object($this->modules[$module])) {
1918 $result =& $this->loadModule($module);
1919 if (PEAR::isError($result)) {
1920 return $result;
1921 }
1922 }
1923 } else {
1924 foreach ($this->modules as $key => $foo) {
1925 if (is_object($this->modules[$key])
1926 && method_exists($this->modules[$key], $method)
1927 ) {
1928 $module = $key;
1929 break;
1930 }
1931 }
1932 }
1933 if (!is_null($module)) {
1934 return call_user_func_array(array(&$this->modules[$module], $method), $params);
1935 }
1936 trigger_error(sprintf('Call to undefined function: %s::%s().', get_class($this), $method), E_USER_ERROR);
1937 }
1938
1939 // }}}
1940 // {{{ function beginTransaction($savepoint = null)
1941
1950 function beginTransaction($savepoint = null)
1951 {
1952 $this->debug('Starting transaction', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
1953 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1954 'transactions are not supported', __FUNCTION__);
1955 }
1956
1957 // }}}
1958 // {{{ function commit($savepoint = null)
1959
1971 function commit($savepoint = null)
1972 {
1973 $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
1974 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1975 'commiting transactions is not supported', __FUNCTION__);
1976 }
1977
1978 // }}}
1979 // {{{ function rollback($savepoint = null)
1980
1992 function rollback($savepoint = null)
1993 {
1994 $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
1995 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1996 'rolling back transactions is not supported', __FUNCTION__);
1997 }
1998
1999 // }}}
2000 // {{{ function inTransaction($ignore_nested = false)
2001
2013 function inTransaction($ignore_nested = false)
2014 {
2015 if (!$ignore_nested && isset($this->nested_transaction_counter)) {
2017 }
2018 return $this->in_transaction;
2019 }
2020
2021 // }}}
2022 // {{{ function setTransactionIsolation($isolation)
2023
2040 function setTransactionIsolation($isolation, $options = array())
2041 {
2042 $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
2043 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2044 'isolation level setting is not supported', __FUNCTION__);
2045 }
2046
2047 // }}}
2048 // {{{ function beginNestedTransaction($savepoint = false)
2049
2064 {
2065 if ($this->in_transaction) {
2067 $savepoint = sprintf($this->options['savepoint_format'], $this->nested_transaction_counter);
2068 if ($this->supports('savepoints') && $savepoint) {
2069 return $this->beginTransaction($savepoint);
2070 }
2071 return MDB2_OK;
2072 }
2073 $this->has_transaction_error = false;
2074 $result = $this->beginTransaction();
2075 $this->nested_transaction_counter = 1;
2076 return $result;
2077 }
2078
2079 // }}}
2080 // {{{ function completeNestedTransaction($force_rollback = false, $release = false)
2081
2099 function completeNestedTransaction($force_rollback = false)
2100 {
2101 if ($this->nested_transaction_counter > 1) {
2102 $savepoint = sprintf($this->options['savepoint_format'], $this->nested_transaction_counter);
2103 if ($this->supports('savepoints') && $savepoint) {
2104 if ($force_rollback || $this->has_transaction_error) {
2105 $result = $this->rollback($savepoint);
2106 if (!PEAR::isError($result)) {
2107 $result = false;
2108 $this->has_transaction_error = false;
2109 }
2110 } else {
2111 $result = $this->commit($savepoint);
2112 }
2113 } else {
2114 $result = MDB2_OK;
2115 }
2117 return $result;
2118 }
2119
2120 $this->nested_transaction_counter = null;
2121 $result = MDB2_OK;
2122
2123 // transaction has not yet been rolled back
2124 if ($this->in_transaction) {
2125 if ($force_rollback || $this->has_transaction_error) {
2126 $result = $this->rollback();
2127 if (!PEAR::isError($result)) {
2128 $result = false;
2129 }
2130 } else {
2131 $result = $this->commit();
2132 }
2133 }
2134 $this->has_transaction_error = false;
2135 return $result;
2136 }
2137
2138 // }}}
2139 // {{{ function failNestedTransaction($error = null, $immediately = false)
2140
2156 function failNestedTransaction($error = null, $immediately = false)
2157 {
2158 if (is_null($error)) {
2159 $error = $this->has_transaction_error ? $this->has_transaction_error : true;
2160 } elseif (!$error) {
2161 $error = true;
2162 }
2163 $this->has_transaction_error = $error;
2164 if (!$immediately) {
2165 return MDB2_OK;
2166 }
2167 return $this->rollback();
2168 }
2169
2170 // }}}
2171 // {{{ function getNestedTransactionError()
2172
2187 {
2189 }
2190
2191 // }}}
2192 // {{{ connect()
2193
2199 function connect()
2200 {
2201 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2202 'method not implemented', __FUNCTION__);
2203 }
2204
2205 // }}}
2206 // {{{ setCharset($charset, $connection = null)
2207
2216 function setCharset($charset, $connection = null)
2217 {
2218 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2219 'method not implemented', __FUNCTION__);
2220 }
2221
2222 // }}}
2223 // {{{ function disconnect($force = true)
2224
2236 function disconnect($force = true)
2237 {
2238 $this->connection = 0;
2239 $this->connected_dsn = array();
2240 $this->connected_database_name = '';
2241 $this->opened_persistent = null;
2242 $this->connected_server_info = '';
2243 $this->in_transaction = null;
2244 $this->nested_transaction_counter = null;
2245 return MDB2_OK;
2246 }
2247
2248 // }}}
2249 // {{{ function setDatabase($name)
2250
2260 function setDatabase($name)
2261 {
2262 $previous_database_name = (isset($this->database_name)) ? $this->database_name : '';
2263 $this->database_name = $name;
2264 $this->disconnect(false);
2265 return $previous_database_name;
2266 }
2267
2268 // }}}
2269 // {{{ function getDatabase()
2270
2278 function getDatabase()
2279 {
2280 return $this->database_name;
2281 }
2282
2283 // }}}
2284 // {{{ function setDSN($dsn)
2285
2295 function setDSN($dsn)
2296 {
2297 $dsn_default = $GLOBALS['_MDB2_dsninfo_default'];
2299 if (array_key_exists('database', $dsn)) {
2300 $this->database_name = $dsn['database'];
2301 unset($dsn['database']);
2302 }
2303 $this->dsn = array_merge($dsn_default, $dsn);
2304 return $this->disconnect(false);
2305 }
2306
2307 // }}}
2308 // {{{ function getDSN($type = 'string', $hidepw = false)
2309
2320 function getDSN($type = 'string', $hidepw = false)
2321 {
2322 $dsn = array_merge($GLOBALS['_MDB2_dsninfo_default'], $this->dsn);
2323 $dsn['phptype'] = $this->phptype;
2324 $dsn['database'] = $this->database_name;
2325 if ($hidepw) {
2326 $dsn['password'] = $hidepw;
2327 }
2328 switch ($type) {
2329 // expand to include all possible options
2330 case 'string':
2331 $dsn = $dsn['phptype'].
2332 ($dsn['dbsyntax'] ? ('('.$dsn['dbsyntax'].')') : '').
2333 '://'.$dsn['username'].':'.
2334 $dsn['password'].'@'.$dsn['hostspec'].
2335 ($dsn['port'] ? (':'.$dsn['port']) : '').
2336 '/'.$dsn['database'];
2337 break;
2338 case 'array':
2339 default:
2340 break;
2341 }
2342 return $dsn;
2343 }
2344
2345 // }}}
2346 // {{{ function &standaloneQuery($query, $types = null, $is_manip = false)
2347
2360 function &standaloneQuery($query, $types = null, $is_manip = false)
2361 {
2364 $this->offset = $this->limit = 0;
2365 $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
2366
2367 $connection = $this->getConnection();
2368 if (PEAR::isError($connection)) {
2369 return $connection;
2370 }
2371
2372 $result =& $this->_doQuery($query, $is_manip, $connection, false);
2373 if (PEAR::isError($result)) {
2374 return $result;
2375 }
2376
2377 if ($is_manip) {
2378 $affected_rows = $this->_affectedRows($connection, $result);
2379 return $affected_rows;
2380 }
2381 $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);
2382 return $result;
2383 }
2384
2385 // }}}
2386 // {{{ function _modifyQuery($query, $is_manip, $limit, $offset)
2387
2400 function _modifyQuery($query, $is_manip, $limit, $offset)
2401 {
2402 return $query;
2403 }
2404
2405 // }}}
2406 // {{{ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
2407
2419 function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
2420 {
2421 $this->last_query = $query;
2422 $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
2423 if ($result) {
2424 if (PEAR::isError($result)) {
2425 return $result;
2426 }
2427 $query = $result;
2428 }
2429 $err =& $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2430 'method not implemented', __FUNCTION__);
2431 return $err;
2432 }
2433
2434 // }}}
2435 // {{{ function _affectedRows($connection, $result = null)
2436
2448 {
2449 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2450 'method not implemented', __FUNCTION__);
2451 }
2452
2453 // }}}
2454 // {{{ function &exec($query)
2455
2465 function &exec($query)
2466 {
2469 $this->offset = $this->limit = 0;
2470 $query = $this->_modifyQuery($query, true, $limit, $offset);
2471
2472 $connection = $this->getConnection();
2473 if (PEAR::isError($connection)) {
2474 return $connection;
2475 }
2476
2477 $result =& $this->_doQuery($query, true, $connection, $this->database_name);
2478 if (PEAR::isError($result)) {
2479 return $result;
2480 }
2481
2482 $affectedRows = $this->_affectedRows($connection, $result);
2483 return $affectedRows;
2484 }
2485
2486 // }}}
2487 // {{{ function &query($query, $types = null, $result_class = true, $result_wrap_class = false)
2488
2502 function &query($query, $types = null, $result_class = true, $result_wrap_class = false)
2503 {
2506 $this->offset = $this->limit = 0;
2507 $query = $this->_modifyQuery($query, false, $limit, $offset);
2508
2509 $connection = $this->getConnection();
2510 if (PEAR::isError($connection)) {
2511 return $connection;
2512 }
2513
2514 $result =& $this->_doQuery($query, false, $connection, $this->database_name);
2515 if (PEAR::isError($result)) {
2516 return $result;
2517 }
2518
2519 $result =& $this->_wrapResult($result, $types, $result_class, $result_wrap_class, $limit, $offset);
2520 return $result;
2521 }
2522
2523 // }}}
2524 // {{{ function &_wrapResult($result, $types = array(), $result_class = true, $result_wrap_class = false, $limit = null, $offset = null)
2525
2541 function &_wrapResult($result, $types = array(), $result_class = true,
2542 $result_wrap_class = false, $limit = null, $offset = null)
2543 {
2544 if ($types === true) {
2545 if ($this->supports('result_introspection')) {
2546 $this->loadModule('Reverse', null, true);
2547 $tableInfo = $this->reverse->tableInfo($result);
2548 if (PEAR::isError($tableInfo)) {
2549 return $tableInfo;
2550 }
2551 $types = array();
2552 foreach ($tableInfo as $field) {
2553 $types[] = $field['mdb2type'];
2554 }
2555 } else {
2556 $types = null;
2557 }
2558 }
2559
2560 if ($result_class === true) {
2561 $result_class = $this->options['result_buffering']
2562 ? $this->options['buffered_result_class'] : $this->options['result_class'];
2563 }
2564
2565 if ($result_class) {
2566 $class_name = sprintf($result_class, $this->phptype);
2567 if (!MDB2::classExists($class_name)) {
2568 $err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
2569 'result class does not exist '.$class_name, __FUNCTION__);
2570 return $err;
2571 }
2572 $result =& new $class_name($this, $result, $limit, $offset);
2574 $err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
2575 'result class is not extended from MDB2_Result_Common', __FUNCTION__);
2576 return $err;
2577 }
2578 if (!empty($types)) {
2579 $err = $result->setResultTypes($types);
2580 if (PEAR::isError($err)) {
2581 $result->free();
2582 return $err;
2583 }
2584 }
2585 }
2586 if ($result_wrap_class === true) {
2587 $result_wrap_class = $this->options['result_wrap_class'];
2588 }
2589 if ($result_wrap_class) {
2590 if (!MDB2::classExists($result_wrap_class)) {
2591 $err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
2592 'result wrap class does not exist '.$result_wrap_class, __FUNCTION__);
2593 return $err;
2594 }
2595 $result =& new $result_wrap_class($result, $this->fetchmode);
2596 }
2597 return $result;
2598 }
2599
2600 // }}}
2601 // {{{ function getServerVersion($native = false)
2602
2612 function getServerVersion($native = false)
2613 {
2614 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2615 'method not implemented', __FUNCTION__);
2616 }
2617
2618 // }}}
2619 // {{{ function setLimit($limit, $offset = null)
2620
2631 function setLimit($limit, $offset = null)
2632 {
2633 if (!$this->supports('limit_queries')) {
2634 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2635 'limit is not supported by this driver', __FUNCTION__);
2636 }
2637 $limit = (int)$limit;
2638 if ($limit < 0) {
2639 return $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2640 'it was not specified a valid selected range row limit', __FUNCTION__);
2641 }
2642 $this->limit = $limit;
2643 if (!is_null($offset)) {
2644 $offset = (int)$offset;
2645 if ($offset < 0) {
2646 return $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2647 'it was not specified a valid first selected range row', __FUNCTION__);
2648 }
2649 $this->offset = $offset;
2650 }
2651 return MDB2_OK;
2652 }
2653
2654 // }}}
2655 // {{{ function subSelect($query, $type = false)
2656
2669 function subSelect($query, $type = false)
2670 {
2671 if ($this->supports('sub_selects') === true) {
2672 return $query;
2673 }
2674
2675 if (!$this->supports('sub_selects')) {
2676 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2677 'method not implemented', __FUNCTION__);
2678 }
2679
2680 $col = $this->queryCol($query, $type);
2681 if (PEAR::isError($col)) {
2682 return $col;
2683 }
2684 if (!is_array($col) || count($col) == 0) {
2685 return 'NULL';
2686 }
2687 if ($type) {
2688 $this->loadModule('Datatype', null, true);
2689 return $this->datatype->implodeArray($col, $type);
2690 }
2691 return implode(', ', $col);
2692 }
2693
2694 // }}}
2695 // {{{ function replace($table, $fields)
2696
2760 function replace($table, $fields)
2761 {
2762 if (!$this->supports('replace')) {
2763 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2764 'replace query is not supported', __FUNCTION__);
2765 }
2766 $count = count($fields);
2767 $condition = $values = array();
2768 for ($colnum = 0, reset($fields); $colnum < $count; next($fields), $colnum++) {
2769 $name = key($fields);
2770 if (isset($fields[$name]['null']) && $fields[$name]['null']) {
2771 $value = 'NULL';
2772 } else {
2773 $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;
2774 $value = $this->quote($fields[$name]['value'], $type);
2775 }
2776 $values[$name] = $value;
2777 if (isset($fields[$name]['key']) && $fields[$name]['key']) {
2778 if ($value === 'NULL') {
2779 return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
2780 'key value '.$name.' may not be NULL', __FUNCTION__);
2781 }
2782 $condition[] = $name . '=' . $value;
2783 }
2784 }
2785 if (empty($condition)) {
2786 return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
2787 'not specified which fields are keys', __FUNCTION__);
2788 }
2789
2790 $result = null;
2793 return $result;
2794 }
2795
2796 $connection = $this->getConnection();
2797 if (PEAR::isError($connection)) {
2798 return $connection;
2799 }
2800
2801 $condition = ' WHERE '.implode(' AND ', $condition);
2802 $query = "DELETE FROM $table$condition";
2803 $result =& $this->_doQuery($query, true, $connection);
2804 if (!PEAR::isError($result)) {
2805 $affected_rows = $this->_affectedRows($connection, $result);
2806 $insert = implode(', ', array_keys($values));
2807 $values = implode(', ', $values);
2808 $query = "INSERT INTO $table ($insert) VALUES ($values)";
2809 $result =& $this->_doQuery($query, true, $connection);
2810 if (!PEAR::isError($result)) {
2811 $affected_rows += $this->_affectedRows($connection, $result);;
2812 }
2813 }
2814
2815 if (!$in_transaction) {
2816 if (PEAR::isError($result)) {
2817 $this->rollback();
2818 } else {
2819 $result = $this->commit();
2820 }
2821 }
2822
2823 if (PEAR::isError($result)) {
2824 return $result;
2825 }
2826
2827 return $affected_rows;
2828 }
2829
2830 // }}}
2831 // {{{ function &prepare($query, $types = null, $result_types = null, $lobs = array())
2832
2855 function &prepare($query, $types = null, $result_types = null, $lobs = array())
2856 {
2857 $is_manip = ($result_types === MDB2_PREPARE_MANIP);
2860 $this->offset = $this->limit = 0;
2861 $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
2862 if ($result) {
2863 if (PEAR::isError($result)) {
2864 return $result;
2865 }
2866 $query = $result;
2867 }
2868 $placeholder_type_guess = $placeholder_type = null;
2869 $question = '?';
2870 $colon = ':';
2871 $positions = array();
2872 $position = 0;
2873 $ignores = $this->sql_comments;
2874 $ignores[] = $this->string_quoting;
2875 $ignores[] = $this->identifier_quoting;
2876 while ($position < strlen($query)) {
2877 $q_position = strpos($query, $question, $position);
2878 $c_position = strpos($query, $colon, $position);
2879 if ($q_position && $c_position) {
2880 $p_position = min($q_position, $c_position);
2881 } elseif ($q_position) {
2882 $p_position = $q_position;
2883 } elseif ($c_position) {
2884 $p_position = $c_position;
2885 } else {
2886 break;
2887 }
2888 if (is_null($placeholder_type)) {
2889 $placeholder_type_guess = $query[$p_position];
2890 }
2891
2892 $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
2893 if (PEAR::isError($new_pos)) {
2894 return $new_pos;
2895 }
2896 if ($new_pos != $position) {
2897 $position = $new_pos;
2898 continue; //evaluate again starting from the new position
2899 }
2900
2901 if ($query[$position] == $placeholder_type_guess) {
2902 if (is_null($placeholder_type)) {
2903 $placeholder_type = $query[$p_position];
2904 $question = $colon = $placeholder_type;
2905 if (!empty($types) && is_array($types)) {
2906 if ($placeholder_type == ':') {
2907 if (is_int(key($types))) {
2908 $types_tmp = $types;
2909 $types = array();
2910 $count = -1;
2911 }
2912 } else {
2913 $types = array_values($types);
2914 }
2915 }
2916 }
2917 if ($placeholder_type == ':') {
2918 $parameter = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query);
2919 if ($parameter === '') {
2920 $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2921 'named parameter with an empty name', __FUNCTION__);
2922 return $err;
2923 }
2924 $positions[$p_position] = $parameter;
2925 $query = substr_replace($query, '?', $position, strlen($parameter)+1);
2926 // use parameter name in type array
2927 if (isset($count) && isset($types_tmp[++$count])) {
2928 $types[$parameter] = $types_tmp[$count];
2929 }
2930 } else {
2931 $positions[$p_position] = count($positions);
2932 }
2933 $position = $p_position + 1;
2934 } else {
2935 $position = $p_position;
2936 }
2937 }
2938 $class_name = 'MDB2_Statement_'.$this->phptype;
2939 $statement = null;
2940 $obj =& new $class_name($this, $statement, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
2941 $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
2942 return $obj;
2943 }
2944
2945 // }}}
2946 // {{{ function _skipDelimitedStrings($query, $position, $p_position)
2947
2963 function _skipDelimitedStrings($query, $position, $p_position)
2964 {
2965 $ignores = $this->sql_comments;
2966 $ignores[] = $this->string_quoting;
2967 $ignores[] = $this->identifier_quoting;
2968
2969 foreach ($ignores as $ignore) {
2970 if (!empty($ignore['start'])) {
2971 if (is_int($start_quote = strpos($query, $ignore['start'], $position)) && $start_quote < $p_position) {
2972 $end_quote = $start_quote;
2973 do {
2974 if (!is_int($end_quote = strpos($query, $ignore['end'], $end_quote + 1))) {
2975 if ($ignore['end'] === "\n") {
2976 $end_quote = strlen($query) - 1;
2977 } else {
2978 $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2979 'query with an unterminated text string specified', __FUNCTION__);
2980 return $err;
2981 }
2982 }
2983 } while ($ignore['escape'] && $query[($end_quote - 1)] == $ignore['escape']);
2984 $position = $end_quote + 1;
2985 return $position;
2986 }
2987 }
2988 }
2989 return $position;
2990 }
2991
2992 // }}}
2993 // {{{ function quote($value, $type = null, $quote = true)
2994
3009 function quote($value, $type = null, $quote = true, $escape_wildcards = false)
3010 {
3011 $result = $this->loadModule('Datatype', null, true);
3012 if (PEAR::isError($result)) {
3013 return $result;
3014 }
3015
3016 return $this->datatype->quote($value, $type, $quote, $escape_wildcards);
3017 }
3018
3019 // }}}
3020 // {{{ function getDeclaration($type, $name, $field)
3021
3035 function getDeclaration($type, $name, $field)
3036 {
3037 $result = $this->loadModule('Datatype', null, true);
3038 if (PEAR::isError($result)) {
3039 return $result;
3040 }
3041 return $this->datatype->getDeclaration($type, $name, $field);
3042 }
3043
3044 // }}}
3045 // {{{ function compareDefinition($current, $previous)
3046
3057 function compareDefinition($current, $previous)
3058 {
3059 $result = $this->loadModule('Datatype', null, true);
3060 if (PEAR::isError($result)) {
3061 return $result;
3062 }
3063 return $this->datatype->compareDefinition($current, $previous);
3064 }
3065
3066 // }}}
3067 // {{{ function supports($feature)
3068
3081 function supports($feature)
3082 {
3083 if (array_key_exists($feature, $this->supported)) {
3084 return $this->supported[$feature];
3085 }
3086 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3087 "unknown support feature $feature", __FUNCTION__);
3088 }
3089
3090 // }}}
3091 // {{{ function getSequenceName($sqn)
3092
3102 function getSequenceName($sqn)
3103 {
3104 return sprintf($this->options['seqname_format'],
3105 preg_replace('/[^a-z0-9_\$.]/i', '_', $sqn));
3106 }
3107
3108 // }}}
3109 // {{{ function getIndexName($idx)
3110
3120 function getIndexName($idx)
3121 {
3122 return sprintf($this->options['idxname_format'],
3123 preg_replace('/[^a-z0-9_\$]/i', '_', $idx));
3124 }
3125
3126 // }}}
3127 // {{{ function nextID($seq_name, $ondemand = true)
3128
3139 function nextID($seq_name, $ondemand = true)
3140 {
3141 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3142 'method not implemented', __FUNCTION__);
3143 }
3144
3145 // }}}
3146 // {{{ function lastInsertID($table = null, $field = null)
3147
3159 function lastInsertID($table = null, $field = null)
3160 {
3161 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3162 'method not implemented', __FUNCTION__);
3163 }
3164
3165 // }}}
3166 // {{{ function currID($seq_name)
3167
3177 function currID($seq_name)
3178 {
3179 $this->warnings[] = 'database does not support getting current
3180 sequence value, the sequence value was incremented';
3181 return $this->nextID($seq_name);
3182 }
3183
3184 // }}}
3185 // {{{ function queryOne($query, $type = null, $colnum = 0)
3186
3203 function queryOne($query, $type = null, $colnum = 0)
3204 {
3205 $result = $this->query($query, $type);
3207 return $result;
3208 }
3209
3210 $one = $result->fetchOne($colnum);
3211 $result->free();
3212 return $one;
3213 }
3214
3215 // }}}
3216 // {{{ function queryRow($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT)
3217
3235 {
3236 $result = $this->query($query, $types);
3238 return $result;
3239 }
3240
3241 $row = $result->fetchRow($fetchmode);
3242 $result->free();
3243 return $row;
3244 }
3245
3246 // }}}
3247 // {{{ function queryCol($query, $type = null, $colnum = 0)
3248
3264 function queryCol($query, $type = null, $colnum = 0)
3265 {
3266 $result = $this->query($query, $type);
3268 return $result;
3269 }
3270
3271 $col = $result->fetchCol($colnum);
3272 $result->free();
3273 return $col;
3274 }
3275
3276 // }}}
3277 // {{{ function queryAll($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false, $force_array = false, $group = false)
3278
3304 $rekey = false, $force_array = false, $group = false)
3305 {
3306 $result = $this->query($query, $types);
3308 return $result;
3309 }
3310
3311 $all = $result->fetchAll($fetchmode, $rekey, $force_array, $group);
3312 $result->free();
3313 return $all;
3314 }
3315
3316 // }}}
3317}
3318
3319// }}}
3320// {{{ class MDB2_Result
3321
3330{
3331}
3332
3333// }}}
3334// {{{ class MDB2_Result_Common extends MDB2_Result
3335
3344{
3345 // {{{ Variables (Properties)
3346
3347 var $db;
3349 var $rownum = -1;
3350 var $types = array();
3351 var $values = array();
3356
3357 // }}}
3358 // {{{ constructor: function __construct(&$db, &$result, $limit = 0, $offset = 0)
3359
3363 function __construct(&$db, &$result, $limit = 0, $offset = 0)
3364 {
3365 $this->db =& $db;
3366 $this->result =& $result;
3367 $this->offset = $offset;
3368 $this->limit = max(0, $limit - 1);
3369 }
3370
3371 // }}}
3372 // {{{ function MDB2_Result_Common(&$db, &$result, $limit = 0, $offset = 0)
3373
3378 {
3379 $this->__construct($db, $result, $limit, $offset);
3380 }
3381
3382 // }}}
3383 // {{{ function setResultTypes($types)
3384
3407 {
3408 $load = $this->db->loadModule('Datatype', null, true);
3409 if (PEAR::isError($load)) {
3410 return $load;
3411 }
3412 $types = $this->db->datatype->checkResultTypes($types);
3413 if (PEAR::isError($types)) {
3414 return $types;
3415 }
3416 $this->types = $types;
3417 return MDB2_OK;
3418 }
3419
3420 // }}}
3421 // {{{ function seek($rownum = 0)
3422
3432 function seek($rownum = 0)
3433 {
3434 $target_rownum = $rownum - 1;
3435 if ($this->rownum > $target_rownum) {
3436 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3437 'seeking to previous rows not implemented', __FUNCTION__);
3438 }
3439 while ($this->rownum < $target_rownum) {
3440 $this->fetchRow();
3441 }
3442 return MDB2_OK;
3443 }
3444
3445 // }}}
3446 // {{{ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
3447
3458 function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
3459 {
3460 $err =& $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3461 'method not implemented', __FUNCTION__);
3462 return $err;
3463 }
3464
3465 // }}}
3466 // {{{ function fetchOne($colnum = 0)
3467
3478 function fetchOne($colnum = 0, $rownum = null)
3479 {
3480 $fetchmode = is_numeric($colnum) ? MDB2_FETCHMODE_ORDERED : MDB2_FETCHMODE_ASSOC;
3481 $row = $this->fetchRow($fetchmode, $rownum);
3482 if (!is_array($row) || PEAR::isError($row)) {
3483 return $row;
3484 }
3485 if (!array_key_exists($colnum, $row)) {
3486 return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
3487 'column is not defined in the result set: '.$colnum, __FUNCTION__);
3488 }
3489 return $row[$colnum];
3490 }
3491
3492 // }}}
3493 // {{{ function fetchCol($colnum = 0)
3494
3504 function fetchCol($colnum = 0)
3505 {
3506 $column = array();
3507 $fetchmode = is_numeric($colnum) ? MDB2_FETCHMODE_ORDERED : MDB2_FETCHMODE_ASSOC;
3508 $row = $this->fetchRow($fetchmode);
3509 if (is_array($row)) {
3510 if (!array_key_exists($colnum, $row)) {
3511 return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
3512 'column is not defined in the result set: '.$colnum, __FUNCTION__);
3513 }
3514 do {
3515 $column[] = $row[$colnum];
3516 } while (is_array($row = $this->fetchRow($fetchmode)));
3517 }
3518 if (PEAR::isError($row)) {
3519 return $row;
3520 }
3521 return $column;
3522 }
3523
3524 // }}}
3525 // {{{ function fetchAll($fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false, $force_array = false, $group = false)
3526
3550 function fetchAll($fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false,
3551 $force_array = false, $group = false)
3552 {
3553 $all = array();
3554 $row = $this->fetchRow($fetchmode);
3555 if (PEAR::isError($row)) {
3556 return $row;
3557 } elseif (!$row) {
3558 return $all;
3559 }
3560
3561 $shift_array = $rekey ? false : null;
3562 if (!is_null($shift_array)) {
3563 if (is_object($row)) {
3564 $colnum = count(get_object_vars($row));
3565 } else {
3566 $colnum = count($row);
3567 }
3568 if ($colnum < 2) {
3569 return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
3570 'rekey feature requires atleast 2 column', __FUNCTION__);
3571 }
3572 $shift_array = (!$force_array && $colnum == 2);
3573 }
3574
3575 if ($rekey) {
3576 do {
3577 if (is_object($row)) {
3578 $arr = get_object_vars($row);
3579 $key = reset($arr);
3580 unset($row->{$key});
3581 } else {
3582 if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
3583 $key = reset($row);
3584 unset($row[key($row)]);
3585 } else {
3586 $key = array_shift($row);
3587 }
3588 if ($shift_array) {
3589 $row = array_shift($row);
3590 }
3591 }
3592 if ($group) {
3593 $all[$key][] = $row;
3594 } else {
3595 $all[$key] = $row;
3596 }
3597 } while (($row = $this->fetchRow($fetchmode)));
3598 } elseif ($fetchmode & MDB2_FETCHMODE_FLIPPED) {
3599 do {
3600 foreach ($row as $key => $val) {
3601 $all[$key][] = $val;
3602 }
3603 } while (($row = $this->fetchRow($fetchmode)));
3604 } else {
3605 do {
3606 $all[] = $row;
3607 } while (($row = $this->fetchRow($fetchmode)));
3608 }
3609
3610 return $all;
3611 }
3612
3613 // }}}
3614 // {{{ function rowCount()
3621 function rowCount()
3622 {
3623 return $this->rownum + 1;
3624 }
3625
3626 // }}}
3627 // {{{ function numRows()
3628
3636 function numRows()
3637 {
3638 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3639 'method not implemented', __FUNCTION__);
3640 }
3641
3642 // }}}
3643 // {{{ function nextResult()
3644
3652 function nextResult()
3653 {
3654 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3655 'method not implemented', __FUNCTION__);
3656 }
3657
3658 // }}}
3659 // {{{ function getColumnNames()
3660
3674 function getColumnNames($flip = false)
3675 {
3676 if (!isset($this->column_names)) {
3677 $result = $this->_getColumnNames();
3678 if (PEAR::isError($result)) {
3679 return $result;
3680 }
3681 $this->column_names = $result;
3682 }
3683 if ($flip) {
3684 return array_flip($this->column_names);
3685 }
3686 return $this->column_names;
3687 }
3688
3689 // }}}
3690 // {{{ function _getColumnNames()
3691
3703 {
3704 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3705 'method not implemented', __FUNCTION__);
3706 }
3707
3708 // }}}
3709 // {{{ function numCols()
3710
3719 function numCols()
3720 {
3721 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3722 'method not implemented', __FUNCTION__);
3723 }
3724
3725 // }}}
3726 // {{{ function getResource()
3727
3735 function getResource()
3736 {
3737 return $this->result;
3738 }
3739
3740 // }}}
3741 // {{{ function bindColumn($column, &$value, $type = null)
3742
3754 function bindColumn($column, &$value, $type = null)
3755 {
3756 if (!is_numeric($column)) {
3757 $column_names = $this->getColumnNames();
3758 if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
3759 if ($this->db->options['field_case'] == CASE_LOWER) {
3760 $column = strtolower($column);
3761 } else {
3762 $column = strtoupper($column);
3763 }
3764 }
3765 $column = $column_names[$column];
3766 }
3767 $this->values[$column] =& $value;
3768 if (!is_null($type)) {
3769 $this->types[$column] = $type;
3770 }
3771 return MDB2_OK;
3772 }
3773
3774 // }}}
3775 // {{{ function _assignBindColumns($row)
3776
3787 {
3788 $row = array_values($row);
3789 foreach ($row as $column => $value) {
3790 if (array_key_exists($column, $this->values)) {
3791 $this->values[$column] = $value;
3792 }
3793 }
3794 return MDB2_OK;
3795 }
3796
3797 // }}}
3798 // {{{ function free()
3799
3807 function free()
3808 {
3809 $this->result = false;
3810 return MDB2_OK;
3811 }
3812
3813 // }}}
3814}
3815
3816// }}}
3817// {{{ class MDB2_Row
3818
3827{
3828 // {{{ constructor: function __construct(&$row)
3829
3836 {
3837 foreach ($row as $key => $value) {
3838 $this->$key = &$row[$key];
3839 }
3840 }
3841
3842 // }}}
3843 // {{{ function MDB2_Row(&$row)
3844
3850 function MDB2_Row(&$row)
3851 {
3852 $this->__construct($row);
3853 }
3854
3855 // }}}
3856}
3857
3858// }}}
3859// {{{ class MDB2_Statement_Common
3860
3869{
3870 // {{{ Variables (Properties)
3871
3872 var $db;
3877 var $values = array();
3881
3882 // }}}
3883 // {{{ constructor: function __construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3884
3888 function __construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3889 {
3890 $this->db =& $db;
3891 $this->statement =& $statement;
3892 $this->positions = $positions;
3893 $this->query = $query;
3894 $this->types = (array)$types;
3895 $this->result_types = (array)$result_types;
3896 $this->limit = $limit;
3897 $this->is_manip = $is_manip;
3898 $this->offset = $offset;
3899 }
3900
3901 // }}}
3902 // {{{ function MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3903
3907 function MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3908 {
3910 }
3911
3912 // }}}
3913 // {{{ function bindValue($parameter, &$value, $type = null)
3914
3928 function bindValue($parameter, $value, $type = null)
3929 {
3930 if (!is_numeric($parameter)) {
3931 $parameter = preg_replace('/^:(.*)$/', '\\1', $parameter);
3932 }
3933 if (!in_array($parameter, $this->positions)) {
3934 return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
3935 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
3936 }
3937 $this->values[$parameter] = $value;
3938 if (!is_null($type)) {
3939 $this->types[$parameter] = $type;
3940 }
3941 return MDB2_OK;
3942 }
3943
3944 // }}}
3945 // {{{ function bindValueArray($values, $types = null)
3946
3961 {
3962 $types = is_array($types) ? array_values($types) : array_fill(0, count($values), null);
3963 $parameters = array_keys($values);
3964 foreach ($parameters as $key => $parameter) {
3965 $err = $this->bindValue($parameter, $values[$parameter], $types[$key]);
3966 if (PEAR::isError($err)) {
3967 return $err;
3968 }
3969 }
3970 return MDB2_OK;
3971 }
3972
3973 // }}}
3974 // {{{ function bindParam($parameter, &$value, $type = null)
3975
3989 function bindParam($parameter, &$value, $type = null)
3990 {
3991 if (!is_numeric($parameter)) {
3992 $parameter = preg_replace('/^:(.*)$/', '\\1', $parameter);
3993 }
3994 if (!in_array($parameter, $this->positions)) {
3995 return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
3996 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
3997 }
3998 $this->values[$parameter] =& $value;
3999 if (!is_null($type)) {
4000 $this->types[$parameter] = $type;
4001 }
4002 return MDB2_OK;
4003 }
4004
4005 // }}}
4006 // {{{ function bindParamArray(&$values, $types = null)
4007
4021 function bindParamArray(&$values, $types = null)
4022 {
4023 $types = is_array($types) ? array_values($types) : array_fill(0, count($values), null);
4024 $parameters = array_keys($values);
4025 foreach ($parameters as $key => $parameter) {
4026 $err = $this->bindParam($parameter, $values[$parameter], $types[$key]);
4027 if (PEAR::isError($err)) {
4028 return $err;
4029 }
4030 }
4031 return MDB2_OK;
4032 }
4033
4034 // }}}
4035 // {{{ function &execute($values = null, $result_class = true, $result_wrap_class = false)
4036
4050 function &execute($values = null, $result_class = true, $result_wrap_class = false)
4051 {
4052 if (is_null($this->positions)) {
4053 return $this->db->raiseError(MDB2_ERROR, null, null,
4054 'Prepared statement has already been freed', __FUNCTION__);
4055 }
4056
4057 $values = (array)$values;
4058 if (!empty($values)) {
4059 $err = $this->bindValueArray($values);
4060 if (PEAR::isError($err)) {
4061 return $this->db->raiseError(MDB2_ERROR, null, null,
4062 'Binding Values failed with message: ' . $err->getMessage(), __FUNCTION__);
4063 }
4064 }
4065 $result =& $this->_execute($result_class, $result_wrap_class);
4066 return $result;
4067 }
4068
4069 // }}}
4070 // {{{ function &_execute($result_class = true, $result_wrap_class = false)
4071
4082 function &_execute($result_class = true, $result_wrap_class = false)
4083 {
4084 $this->last_query = $this->query;
4085 $query = '';
4086 $last_position = 0;
4087 foreach ($this->positions as $current_position => $parameter) {
4088 if (!array_key_exists($parameter, $this->values)) {
4089 return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
4090 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
4091 }
4092 $value = $this->values[$parameter];
4093 $query.= substr($this->query, $last_position, $current_position - $last_position);
4094 if (!isset($value)) {
4095 $value_quoted = 'NULL';
4096 } else {
4097 $type = !empty($this->types[$parameter]) ? $this->types[$parameter] : null;
4098 $value_quoted = $this->db->quote($value, $type);
4099 if (PEAR::isError($value_quoted)) {
4100 return $value_quoted;
4101 }
4102 }
4103 $query.= $value_quoted;
4104 $last_position = $current_position + 1;
4105 }
4106 $query.= substr($this->query, $last_position);
4107
4108 $this->db->offset = $this->offset;
4109 $this->db->limit = $this->limit;
4110 if ($this->is_manip) {
4111 $result = $this->db->exec($query);
4112 } else {
4113 $result =& $this->db->query($query, $this->result_types, $result_class, $result_wrap_class);
4114 }
4115 return $result;
4116 }
4117
4118 // }}}
4119 // {{{ function free()
4120
4128 function free()
4129 {
4130 if (is_null($this->positions)) {
4131 return $this->db->raiseError(MDB2_ERROR, null, null,
4132 'Prepared statement has already been freed', __FUNCTION__);
4133 }
4134
4135 $this->statement = null;
4136 $this->positions = null;
4137 $this->query = null;
4138 $this->types = null;
4139 $this->result_types = null;
4140 $this->limit = null;
4141 $this->is_manip = null;
4142 $this->offset = null;
4143 $this->values = null;
4144
4145 return MDB2_OK;
4146 }
4147
4148 // }}}
4149}
4150
4151// }}}
4152// {{{ class MDB2_Module_Common
4153
4162{
4163 // {{{ Variables (Properties)
4164
4173
4174 // }}}
4175 // {{{ constructor: function __construct($db_index)
4176
4181 {
4182 $this->db_index = $db_index;
4183 }
4184
4185 // }}}
4186 // {{{ function MDB2_Module_Common($db_index)
4187
4192 {
4193 $this->__construct($db_index);
4194 }
4195
4196 // }}}
4197 // {{{ function &getDBInstance()
4198
4206 function &getDBInstance()
4207 {
4208 if (isset($GLOBALS['_MDB2_databases'][$this->db_index])) {
4209 $result =& $GLOBALS['_MDB2_databases'][$this->db_index];
4210 } else {
4212 'could not find MDB2 instance');
4213 }
4214 return $result;
4215 }
4216
4217 // }}}
4218}
4219
4220// }}}
4221// {{{ function MDB2_closeOpenTransactions()
4222
4232{
4233 reset($GLOBALS['_MDB2_databases']);
4234 while (next($GLOBALS['_MDB2_databases'])) {
4235 $key = key($GLOBALS['_MDB2_databases']);
4236 if ($GLOBALS['_MDB2_databases'][$key]->opened_persistent
4237 && $GLOBALS['_MDB2_databases'][$key]->in_transaction
4238 ) {
4239 $GLOBALS['_MDB2_databases'][$key]->rollback();
4240 }
4241 }
4242}
4243
4244// }}}
4245// {{{ function MDB2_defaultDebugOutput(&$db, $scope, $message, $is_manip = null)
4246
4263function MDB2_defaultDebugOutput(&$db, $scope, $message, $context = array())
4264{
4265 $db->debug_output.= $scope.'('.$db->db_index.'): ';
4266 $db->debug_output.= $message.$db->getOption('log_line_break');
4267 return $message;
4268}
4269
4270// }}}
4271?>
$result
print $file
MDB2_defaultDebugOutput(&$db, $scope, $message, $context=array())
default debug output handler
Definition: MDB2.php:4263
const MDB2_ERROR_ACCESS_VIOLATION
Definition: MDB2.php:94
const MDB2_FETCHMODE_FLIPPED
For multi-dimensional results: normally the first level of arrays is the row number,...
Definition: MDB2.php:142
const MDB2_ERROR_UNSUPPORTED
Definition: MDB2.php:73
const MDB2_PORTABILITY_ALL
Portability: turn on all portability features.
Definition: MDB2.php:210
const MDB2_ERROR_NODBSELECTED
Definition: MDB2.php:81
const MDB2_PORTABILITY_RTRIM
Portability: right trim the data output by query*() and fetch*().
Definition: MDB2.php:164
const MDB2_ERROR_DEADLOCK
Definition: MDB2.php:97
const MDB2_ERROR_INVALID_DATE
Definition: MDB2.php:79
const MDB2_FETCHMODE_DEFAULT
This is a special constant that tells MDB2 the user hasn't specified any particular get mode,...
Definition: MDB2.php:119
const MDB2_ERROR_CANNOT_DELETE
Definition: MDB2.php:83
const MDB2_ERROR_INVALID
Definition: MDB2.php:75
const MDB2_ERROR_CONSTRAINT_NOT_NULL
Definition: MDB2.php:96
const MDB2_OK
The method mapErrorCode in each MDB2_dbtype implementation maps native error codes to one of these.
Definition: MDB2.php:67
const MDB2_PORTABILITY_FIX_CASE
Portability: convert names of tables and fields to case defined in the "field_case" option when using...
Definition: MDB2.php:158
const MDB2_ERROR_MISMATCH
Definition: MDB2.php:74
const MDB2_ERROR_SYNTAX
Definition: MDB2.php:69
const MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES
Portability: removes database/table qualifiers from associative indexes.
Definition: MDB2.php:204
const MDB2_ERROR_NOT_LOCKED
Definition: MDB2.php:88
const MDB2_ERROR_NOT_FOUND
Definition: MDB2.php:71
const MDB2_ERROR_VALUE_COUNT_ON_ROW
Definition: MDB2.php:89
const MDB2_ERROR_CANNOT_CREATE
Definition: MDB2.php:82
const MDB2_ERROR_INVALID_NUMBER
Definition: MDB2.php:78
const MDB2_ERROR_EXTENSION_NOT_FOUND
Definition: MDB2.php:92
const MDB2_ERROR_LOADMODULE
Definition: MDB2.php:101
const MDB2_ERROR_INVALID_DSN
Definition: MDB2.php:90
$GLOBALS['_MDB2_databases']
These are global variables that are used to track the various class instances.
Definition: MDB2.php:219
const MDB2_PREPARE_MANIP
These are just helper constants to more verbosely express parameters to prepare()
Definition: MDB2.php:109
const MDB2_ERROR_NOT_CAPABLE
Definition: MDB2.php:76
const MDB2_ERROR_ALREADY_EXISTS
Definition: MDB2.php:72
const MDB2_PORTABILITY_EMPTY_TO_NULL
Portability: convert empty values to null strings in data output by query*() and fetch*().
Definition: MDB2.php:198
const MDB2_ERROR_DIVZERO
Definition: MDB2.php:80
const MDB2_ERROR_CONSTRAINT
Definition: MDB2.php:70
const MDB2_FETCHMODE_OBJECT
Column data as object properties.
Definition: MDB2.php:134
const MDB2_FETCHMODE_ORDERED
Column data indexed by numbers, ordered from 0 and up.
Definition: MDB2.php:124
const MDB2_ERROR_NOSUCHFIELD
Definition: MDB2.php:86
const MDB2_ERROR_CANNOT_ALTER
Definition: MDB2.php:98
const MDB2_ERROR_TRUNCATED
Definition: MDB2.php:77
const MDB2_ERROR_NEED_MORE_DATA
Definition: MDB2.php:87
const MDB2_ERROR
Definition: MDB2.php:68
const MDB2_ERROR_NOSUCHTABLE
Definition: MDB2.php:85
const MDB2_ERROR_CONNECT_FAILED
Definition: MDB2.php:91
const MDB2_ERROR_NOSUCHDB
Definition: MDB2.php:93
const MDB2_ERROR_CANNOT_REPLACE
Definition: MDB2.php:95
MDB2_closeOpenTransactions()
Close any open transactions form persistent connections.
Definition: MDB2.php:4231
const MDB2_FETCHMODE_ASSOC
Column data indexed by column names.
Definition: MDB2.php:129
const MDB2_ERROR_CANNOT_DROP
Definition: MDB2.php:84
const PEAR_ERROR_RETURN
#+ ERROR constants
Definition: PEAR.php:31
$test
Definition: Utf8Test.php:85
while(false !==($line=fgets($in))) if(! $columns) $ignore
Definition: Utf8Test.php:64
disconnect($force=true)
Log out and disconnect from the database.
Definition: MDB2.php:2236
setTransactionIsolation($isolation, $options=array())
Set the transacton isolation level.
Definition: MDB2.php:2040
__call($method, $params)
Calls a module method using the __call magic method.
Definition: MDB2.php:1909
inTransaction($ignore_nested=false)
If a transaction is currently open.
Definition: MDB2.php:2013
getConnection()
Returns a native connection.
Definition: MDB2.php:1733
& standaloneQuery($query, $types=null, $is_manip=false)
execute a query as database administrator
Definition: MDB2.php:2360
subSelect($query, $type=false)
simple subselect emulation: leaves the query untouched for all RDBMS that support subselects
Definition: MDB2.php:2669
getNestedTransactionError()
The first error that occured since the transaction start.
Definition: MDB2.php:2186
queryAll($query, $types=null, $fetchmode=MDB2_FETCHMODE_DEFAULT, $rekey=false, $force_array=false, $group=false)
Execute the specified query, fetch all the rows of the result set into a two dimensional array and th...
Definition: MDB2.php:3303
resetWarnings()
reset the warning array
Definition: MDB2.php:1460
debug($message, $scope='', $context=array())
set a debug message
Definition: MDB2.php:1582
queryOne($query, $type=null, $colnum=0)
Execute the specified query, fetch the value from the first column of the first row of the result set...
Definition: MDB2.php:3203
getDatabase()
Get the current database.
Definition: MDB2.php:2278
escape($text, $escape_wildcards=false)
Quotes a string so it can be safely used in a query.
Definition: MDB2.php:1625
compareDefinition($current, $previous)
Obtain an array of changes that may need to applied.
Definition: MDB2.php:3057
completeNestedTransaction($force_rollback=false)
Finish a nested transaction by rolling back if an error occured or committing otherwise.
Definition: MDB2.php:2099
getSequenceName($sqn)
adds sequence name formatting to a sequence name
Definition: MDB2.php:3102
& query($query, $types=null, $result_class=true, $result_wrap_class=false)
Send a query to the database and return any results.
Definition: MDB2.php:2502
lastInsertID($table=null, $field=null)
Returns the autoincrement ID if supported or $id or fetches the current ID in a sequence called: $tab...
Definition: MDB2.php:3159
_affectedRows($connection, $result=null)
Returns the number of rows affected.
Definition: MDB2.php:2447
& _wrapResult($result, $types=array(), $result_class=true, $result_wrap_class=false, $limit=null, $offset=null)
wrap a result set into the correct class
Definition: MDB2.php:2541
& _doQuery($query, $is_manip=false, $connection=null, $database_name=null)
Execute a query.
Definition: MDB2.php:2419
replace($table, $fields)
Execute a SQL REPLACE query.
Definition: MDB2.php:2760
errorInfo($error=null)
This method is used to collect information about an error.
Definition: MDB2.php:1376
rollback($savepoint=null)
Cancel any database changes done during a transaction or since a specific savepoint that is in progre...
Definition: MDB2.php:1992
_modifyQuery($query, $is_manip, $limit, $offset)
Changes a query string for various DBMS specific reasons.
Definition: MDB2.php:2400
supports($feature)
Tell whether a DB implementation or its backend extension supports a given feature.
Definition: MDB2.php:3081
setCharset($charset, $connection=null)
Set the charset on the current connection.
Definition: MDB2.php:2216
currID($seq_name)
Returns the current id of a sequence.
Definition: MDB2.php:3177
__toString()
String conversation.
Definition: MDB2.php:1354
nextID($seq_name, $ondemand=true)
Returns the next free id of a sequence.
Definition: MDB2.php:3139
getDeclaration($type, $name, $field)
Obtain DBMS specific SQL code portion needed to declare of the given type.
Definition: MDB2.php:3035
beginNestedTransaction()
Start a nested transaction.
Definition: MDB2.php:2063
& loadModule($module, $property=null, $phptype_specific=null)
loads a module
Definition: MDB2.php:1840
getWarnings()
Get all warnings in reverse order.
Definition: MDB2.php:1477
setFetchMode($fetchmode, $object_class='stdClass')
Sets which fetch mode should be used by default on queries on this connection.
Definition: MDB2.php:1504
setOption($option, $value)
set the option for the db class
Definition: MDB2.php:1534
setDSN($dsn)
set the DSN
Definition: MDB2.php:2295
getServerVersion($native=false)
return version information about the server
Definition: MDB2.php:2612
queryRow($query, $types=null, $fetchmode=MDB2_FETCHMODE_DEFAULT)
Execute the specified query, fetch the values from the first row of the result set into an array and ...
Definition: MDB2.php:3234
setDatabase($name)
Select a different database.
Definition: MDB2.php:2260
setLimit($limit, $offset=null)
set the range of the next query
Definition: MDB2.php:2631
quoteIdentifier($str, $check_option=false)
Quote a string so it can be safely used as a table or column name.
Definition: MDB2.php:1700
queryCol($query, $type=null, $colnum=0)
Execute the specified query, fetch the value from the first column of each row of the result set into...
Definition: MDB2.php:3264
escapePattern($text)
Quotes pattern (% and _) characters in a string)
Definition: MDB2.php:1652
& exec($query)
Execute a manipulation query to the database and return the number of affected rows.
Definition: MDB2.php:2465
_skipDelimitedStrings($query, $position, $p_position)
Utility method, used by prepare() to avoid replacing placeholders within delimited strings.
Definition: MDB2.php:2963
quote($value, $type=null, $quote=true, $escape_wildcards=false)
Convert a text value into a DBMS specific format that is suitable to compose query statements.
Definition: MDB2.php:3009
commit($savepoint=null)
Commit the database changes done during a transaction that is in progress or release a savepoint.
Definition: MDB2.php:1971
& raiseError($code=null, $mode=null, $options=null, $userinfo=null, $method=null)
This method is used to communicate an error and invoke error callbacks etc.
Definition: MDB2.php:1407
MDB2_Driver_Common()
PHP 4 Constructor.
Definition: MDB2.php:1310
free()
Free the internal references so that the instance can be destroyed.
Definition: MDB2.php:1337
failNestedTransaction($error=null, $immediately=false)
Force setting nested transaction to failed.
Definition: MDB2.php:2156
getOption($option)
Returns the value of an option.
Definition: MDB2.php:1556
getDebugOutput()
output debug info
Definition: MDB2.php:1606
getIndexName($idx)
adds index name formatting to a index name
Definition: MDB2.php:3120
getAsKeyword()
Gets the string to alias column.
Definition: MDB2.php:1717
& prepare($query, $types=null, $result_types=null, $lobs=array())
Prepares a query for multiple execution with execute().
Definition: MDB2.php:2855
getDSN($type='string', $hidepw=false)
return the DSN as a string
Definition: MDB2.php:2320
__construct()
Constructor.
Definition: MDB2.php:1296
connect()
Connect to the database.
Definition: MDB2.php:2199
__destruct()
Destructor.
Definition: MDB2.php:1322
beginTransaction($savepoint=null)
Start a transaction or set a savepoint.
Definition: MDB2.php:1950
_fixResultArrayValues(&$row, $mode)
Do all necessary conversions on result arrays to fix DBMS quirks.
Definition: MDB2.php:1755
MDB2_Error($code=MDB2_ERROR, $mode=PEAR_ERROR_RETURN, $level=E_USER_NOTICE, $debuginfo=null)
MDB2_Error constructor.
Definition: MDB2.php:966
& getDBInstance()
Get the instance of MDB2 associated with the module instance.
Definition: MDB2.php:4206
__construct($db_index)
Constructor.
Definition: MDB2.php:4180
MDB2_Module_Common($db_index)
PHP 4 Constructor.
Definition: MDB2.php:4191
& fetchRow($fetchmode=MDB2_FETCHMODE_DEFAULT, $rownum=null)
Fetch and return a row of data.
Definition: MDB2.php:3458
fetchOne($colnum=0, $rownum=null)
fetch single column from the next row from a result set
Definition: MDB2.php:3478
getResource()
return the resource associated with the result object
Definition: MDB2.php:3735
rowCount()
Returns the actual row number that was last fetched (count from 0)
Definition: MDB2.php:3621
bindColumn($column, &$value, $type=null)
Set bind variable to a column.
Definition: MDB2.php:3754
getColumnNames($flip=false)
Retrieve the names of columns returned by the DBMS in a query result or from the cache.
Definition: MDB2.php:3674
numRows()
Returns the number of rows in a result object.
Definition: MDB2.php:3636
nextResult()
Move the internal result pointer to the next available result.
Definition: MDB2.php:3652
setResultTypes($types)
Define the list of types to be associated with the columns of a given result set.
Definition: MDB2.php:3406
free()
Free the internal resources associated with result.
Definition: MDB2.php:3807
_assignBindColumns($row)
Bind a variable to a value in the result row.
Definition: MDB2.php:3786
__construct(&$db, &$result, $limit=0, $offset=0)
Constructor.
Definition: MDB2.php:3363
_getColumnNames()
Retrieve the names of columns returned by the DBMS in a query result.
Definition: MDB2.php:3702
MDB2_Result_Common(&$db, &$result, $limit=0, $offset=0)
PHP 4 Constructor.
Definition: MDB2.php:3377
numCols()
Count the number of columns returned by the DBMS in a query result.
Definition: MDB2.php:3719
seek($rownum=0)
Seek to a specific row in a result set.
Definition: MDB2.php:3432
fetchAll($fetchmode=MDB2_FETCHMODE_DEFAULT, $rekey=false, $force_array=false, $group=false)
Fetch and return all rows from the current row pointer position.
Definition: MDB2.php:3550
fetchCol($colnum=0)
Fetch and return a column from the current row pointer position.
Definition: MDB2.php:3504
MDB2_Row(&$row)
PHP 4 Constructor.
Definition: MDB2.php:3850
__construct(&$row)
constructor
Definition: MDB2.php:3835
bindParamArray(&$values, $types=null)
Bind the variables of multiple a parameter of a prepared query in bulk.
Definition: MDB2.php:4021
bindValue($parameter, $value, $type=null)
Set the value of a parameter of a prepared query.
Definition: MDB2.php:3928
bindValueArray($values, $types=null)
Set the values of multiple a parameter of a prepared query in bulk.
Definition: MDB2.php:3960
& _execute($result_class=true, $result_wrap_class=false)
Execute a prepared query statement helper method.
Definition: MDB2.php:4082
& execute($values=null, $result_class=true, $result_wrap_class=false)
Execute a prepared query statement.
Definition: MDB2.php:4050
MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip=false, $limit=null, $offset=null)
PHP 4 Constructor.
Definition: MDB2.php:3907
bindParam($parameter, &$value, $type=null)
Bind a variable to a parameter of a prepared query.
Definition: MDB2.php:3989
__construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip=false, $limit=null, $offset=null)
Constructor.
Definition: MDB2.php:3888
free()
Release resources allocated for the specified prepared query.
Definition: MDB2.php:4128
isStatement($value)
Tell whether a value is a MDB2 statement interface.
Definition: MDB2.php:672
fileExists($file)
Checks if a file exists in the include path.
Definition: MDB2.php:921
isError($data, $code=null)
Tell whether a value is a MDB2 error.
Definition: MDB2.php:594
classExists($classname)
Checks if a class exists without triggering __autoload.
Definition: MDB2.php:304
isResultCommon($value)
Tell whether a value is a MDB2 result implementing the common interface.
Definition: MDB2.php:655
isResult($value)
Tell whether a value is a MDB2 result.
Definition: MDB2.php:638
isConnection($value)
Tell whether a value is a MDB2 connection.
Definition: MDB2.php:621
loadFile($file)
load a file (like 'Date')
Definition: MDB2.php:516
parseDSN($dsn)
Definition: MDB2.php:791
errorMessage($value=null)
Return a textual error message for a MDB2 error code.
Definition: MDB2.php:692
loadClass($class_name, $debug)
Loads a PEAR class.
Definition: MDB2.php:325
apiVersion()
Return the MDB2 API version.
Definition: MDB2.php:540
setOptions(&$db, $options)
set option array in an exiting database object
Definition: MDB2.php:279
& raiseError($code=null, $mode=null, $options=null, $userinfo=null)
This method is used to communicate an error and invoke error callbacks etc.
Definition: MDB2.php:572
& connect($dsn, $options=false)
Create a new MDB2 connection object and connect to the specified database.
Definition: MDB2.php:431
& factory($dsn, $options=false)
Create a new MDB2 object for the specified database type.
Definition: MDB2.php:374
& singleton($dsn=null, $options=false)
Returns a MDB2 connection with the requested DSN.
Definition: MDB2.php:481
PEAR_Error($message='unknown error', $code=null, $mode=null, $options=null, $userinfo=null)
PEAR_Error constructor.
Definition: PEAR.php:861
$_default_error_mode
Definition: PEAR.php:120
isError($data, $code=null)
Tell whether a value is a PEAR error.
Definition: PEAR.php:279
$_default_error_options
Definition: PEAR.php:129
& raiseError($message=null, $code=null, $mode=null, $options=null, $userinfo=null, $error_class=null, $skipmsg=false)
This method is a wrapper that returns an instance of the configured error class with this object's de...
Definition: PEAR.php:524
$data
$text
$params
Definition: example_049.php:96
$code
Definition: example_050.php:99
$info
Definition: example_052.php:80
The main 'MDB2' class is simply a container class with some static methods for creating DB objects as...
if(!is_array($argv)) $options
$dirs