ILIAS  release_5-2 Revision v5.2.25-18-g3f80b828510
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
55// PATCH
56set_include_path("./Services/Database/lib/PEAR" . PATH_SEPARATOR . ini_get('include_path'));
57if (!class_exists('PEAR')) {
58 require_once 'PEAR.php';
59}
60// END PATCH
61
62// {{{ Error constants
63
72define('MDB2_OK', true);
73define('MDB2_ERROR', -1);
74define('MDB2_ERROR_SYNTAX', -2);
75define('MDB2_ERROR_CONSTRAINT', -3);
76define('MDB2_ERROR_NOT_FOUND', -4);
77define('MDB2_ERROR_ALREADY_EXISTS', -5);
78define('MDB2_ERROR_UNSUPPORTED', -6);
79define('MDB2_ERROR_MISMATCH', -7);
80define('MDB2_ERROR_INVALID', -8);
81define('MDB2_ERROR_NOT_CAPABLE', -9);
82define('MDB2_ERROR_TRUNCATED', -10);
83define('MDB2_ERROR_INVALID_NUMBER', -11);
84define('MDB2_ERROR_INVALID_DATE', -12);
85define('MDB2_ERROR_DIVZERO', -13);
86define('MDB2_ERROR_NODBSELECTED', -14);
87define('MDB2_ERROR_CANNOT_CREATE', -15);
88define('MDB2_ERROR_CANNOT_DELETE', -16);
89define('MDB2_ERROR_CANNOT_DROP', -17);
90define('MDB2_ERROR_NOSUCHTABLE', -18);
91define('MDB2_ERROR_NOSUCHFIELD', -19);
92define('MDB2_ERROR_NEED_MORE_DATA', -20);
93define('MDB2_ERROR_NOT_LOCKED', -21);
94define('MDB2_ERROR_VALUE_COUNT_ON_ROW', -22);
95define('MDB2_ERROR_INVALID_DSN', -23);
96define('MDB2_ERROR_CONNECT_FAILED', -24);
97define('MDB2_ERROR_EXTENSION_NOT_FOUND',-25);
98define('MDB2_ERROR_NOSUCHDB', -26);
99define('MDB2_ERROR_ACCESS_VIOLATION', -27);
100define('MDB2_ERROR_CANNOT_REPLACE', -28);
101define('MDB2_ERROR_CONSTRAINT_NOT_NULL',-29);
102define('MDB2_ERROR_DEADLOCK', -30);
103define('MDB2_ERROR_CANNOT_ALTER', -31);
104define('MDB2_ERROR_MANAGER', -32);
105define('MDB2_ERROR_MANAGER_PARSE', -33);
106define('MDB2_ERROR_LOADMODULE', -34);
107define('MDB2_ERROR_INSUFFICIENT_DATA', -35);
108// }}}
109// {{{ Verbose constants
114define('MDB2_PREPARE_MANIP', false);
115define('MDB2_PREPARE_RESULT', null);
116
117// }}}
118// {{{ Fetchmode constants
119
124define('MDB2_FETCHMODE_DEFAULT', 0);
125
129define('MDB2_FETCHMODE_ORDERED', 1);
130
134define('MDB2_FETCHMODE_ASSOC', 2);
135
139define('MDB2_FETCHMODE_OBJECT', 3);
140
147define('MDB2_FETCHMODE_FLIPPED', 4);
148
149// }}}
150// {{{ Portability mode constants
151
156define('MDB2_PORTABILITY_NONE', 0);
157
163define('MDB2_PORTABILITY_FIX_CASE', 1);
164
169define('MDB2_PORTABILITY_RTRIM', 2);
170
175define('MDB2_PORTABILITY_DELETE_COUNT', 4);
176
181define('MDB2_PORTABILITY_NUMROWS', 8);
182
196define('MDB2_PORTABILITY_ERRORS', 16);
197
203define('MDB2_PORTABILITY_EMPTY_TO_NULL', 32);
204
209define('MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES', 64);
210
215define('MDB2_PORTABILITY_ALL', 127);
216
217// }}}
218// {{{ Globals for class instance tracking
219
224$GLOBALS['_MDB2_databases'] = array();
225$GLOBALS['_MDB2_dsninfo_default'] = array(
226 'phptype' => false,
227 'dbsyntax' => false,
228 'username' => false,
229 'password' => false,
230 'protocol' => false,
231 'hostspec' => false,
232 'port' => false,
233 'socket' => false,
234 'database' => false,
235 'mode' => false,
236);
237
238// }}}
239// {{{ class MDB2
240
270class MDB2
271{
272 // {{{ function setOptions(&$db, $options)
273
284 function setOptions(&$db, $options)
285 {
286 if (is_array($options)) {
287 foreach ($options as $option => $value) {
288 $test = $db->setOption($option, $value);
289 if (PEAR::isError($test)) {
290 return $test;
291 }
292 }
293 }
294 return MDB2_OK;
295 }
296
297 // }}}
298 // {{{ function classExists($classname)
299
309 function classExists($classname)
310 {
311 if (version_compare(phpversion(), "5.0", ">=")) {
312 return class_exists($classname, false);
313 }
314 return class_exists($classname);
315 }
316
317 // }}}
318 // {{{ function loadClass($class_name, $debug)
319
330 function loadClass($class_name, $debug)
331 {
332 if (!MDB2::classExists($class_name)) {
333 $file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
334 if ($debug) {
335 $include = include_once($file_name);
336 } else {
337 $include = @include_once($file_name);
338 }
339 if (!$include) {
340 if (!MDB2::fileExists($file_name)) {
341 $msg = "unable to find package '$class_name' file '$file_name'";
342 } else {
343 $msg = "unable to load class '$class_name' from file '$file_name'";
344 }
345 $err =& MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null, $msg);
346 return $err;
347 }
348 }
349 return MDB2_OK;
350 }
351
352 // }}}
353 // {{{ function &factory($dsn, $options = false)
354
379 function &factory($dsn, $options = false)
380 {
381 $dsninfo = MDB2::parseDSN($dsn);
382 if (empty($dsninfo['phptype'])) {
384 null, null, 'no RDBMS driver specified');
385 return $err;
386 }
387 $class_name = 'MDB2_Driver_'.$dsninfo['phptype'];
388
389 $debug = (!empty($options['debug']));
390 $err = MDB2::loadClass($class_name, $debug);
391 if (PEAR::isError($err)) {
392 return $err;
393 }
394
395 $db = new $class_name();
396 $db->setDSN($dsninfo);
397 $err = MDB2::setOptions($db, $options);
398 if (PEAR::isError($err)) {
399 return $err;
400 }
401
402 return $db;
403 }
404
405 // }}}
406 // {{{ function &connect($dsn, $options = false)
407
436 function &connect($dsn, $options = false)
437 {
438 $db =& MDB2::factory($dsn, $options);
439 if (PEAR::isError($db)) {
440 return $db;
441 }
442
443 $err = $db->connect();
444 if (PEAR::isError($err)) {
445 $dsn = $db->getDSN('string', 'xxx');
446 $db->disconnect();
447 $err->addUserInfo($dsn);
448 return $err;
449 }
450
451 return $db;
452 }
453
454 // }}}
455 // {{{ function &singleton($dsn = null, $options = false)
456
486 function &singleton($dsn = null, $options = false)
487 {
488 if ($dsn) {
489 $dsninfo = MDB2::parseDSN($dsn);
490 $dsninfo = array_merge($GLOBALS['_MDB2_dsninfo_default'], $dsninfo);
491 $keys = array_keys($GLOBALS['_MDB2_databases']);
492 for ($i=0, $j=count($keys); $i<$j; ++$i) {
493 if (isset($GLOBALS['_MDB2_databases'][$keys[$i]])) {
494 $tmp_dsn = $GLOBALS['_MDB2_databases'][$keys[$i]]->getDSN('array');
495 if (count(array_diff_assoc($tmp_dsn, $dsninfo)) == 0) {
496 MDB2::setOptions($GLOBALS['_MDB2_databases'][$keys[$i]], $options);
497 return $GLOBALS['_MDB2_databases'][$keys[$i]];
498 }
499 }
500 }
501 } elseif (is_array($GLOBALS['_MDB2_databases']) && reset($GLOBALS['_MDB2_databases'])) {
502 $db =& $GLOBALS['_MDB2_databases'][key($GLOBALS['_MDB2_databases'])];
503 return $db;
504 }
505 $db =& MDB2::factory($dsn, $options);
506 return $db;
507 }
508
509 // }}}
510 // {{{ function loadFile($file)
511
521 function loadFile($file)
522 {
523 $file_name = 'MDB2'.DIRECTORY_SEPARATOR.$file.'.php';
524 if (!MDB2::fileExists($file_name)) {
525 return MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null,
526 'unable to find: '.$file_name);
527 }
528 if (!include_once($file_name)) {
529 return MDB2::raiseError(MDB2_ERROR_NOT_FOUND, null, null,
530 'unable to load driver class: '.$file_name);
531 }
532 return $file_name;
533 }
534
535 // }}}
536 // {{{ function apiVersion()
537
545 function apiVersion()
546 {
547 return '2.4.1';
548 }
549
550 // }}}
551 // {{{ function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
552
577 function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
578 {
579 $err =& PEAR::raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
580 return $err;
581 }
582
583 // }}}
584 // {{{ function isError($data, $code = null)
585
599 function isError($data, $code = null)
600 {
601 if (is_a($data, 'MDB2_Error')) {
602 if (is_null($code)) {
603 return true;
604 } elseif (is_string($code)) {
605 return $data->getMessage() === $code;
606 } else {
607 $code = (array)$code;
608 return in_array($data->getCode(), $code);
609 }
610 }
611 return false;
612 }
613
614 // }}}
615 // {{{ function isConnection($value)
616
626 function isConnection($value)
627 {
628 return is_a($value, 'MDB2_Driver_Common');
629 }
630
631 // }}}
632 // {{{ function isResult($value)
633
643 function isResult($value)
644 {
645 return is_a($value, 'MDB2_Result');
646 }
647
648 // }}}
649 // {{{ function isResultCommon($value)
650
660 function isResultCommon($value)
661 {
662 return is_a($value, 'MDB2_Result_Common');
663 }
664
665 // }}}
666 // {{{ function isStatement($value)
667
677 function isStatement($value)
678 {
679 return is_a($value, 'MDB2_Statement');
680 }
681
682 // }}}
683 // {{{ function errorMessage($value = null)
684
697 function errorMessage($value = null)
698 {
699 static $errorMessages;
700
701 if (is_array($value)) {
702 $errorMessages = $value;
703 return MDB2_OK;
704 }
705
706 if (!isset($errorMessages)) {
707 $errorMessages = array(
708 MDB2_OK => 'no error',
709 MDB2_ERROR => 'unknown error',
710 MDB2_ERROR_ALREADY_EXISTS => 'already exists',
711 MDB2_ERROR_CANNOT_CREATE => 'can not create',
712 MDB2_ERROR_CANNOT_ALTER => 'can not alter',
713 MDB2_ERROR_CANNOT_REPLACE => 'can not replace',
714 MDB2_ERROR_CANNOT_DELETE => 'can not delete',
715 MDB2_ERROR_CANNOT_DROP => 'can not drop',
716 MDB2_ERROR_CONSTRAINT => 'constraint violation',
717 MDB2_ERROR_CONSTRAINT_NOT_NULL=> 'null value violates not-null constraint',
718 MDB2_ERROR_DIVZERO => 'division by zero',
719 MDB2_ERROR_INVALID => 'invalid',
720 MDB2_ERROR_INVALID_DATE => 'invalid date or time',
721 MDB2_ERROR_INVALID_NUMBER => 'invalid number',
722 MDB2_ERROR_MISMATCH => 'mismatch',
723 MDB2_ERROR_NODBSELECTED => 'no database selected',
724 MDB2_ERROR_NOSUCHFIELD => 'no such field',
725 MDB2_ERROR_NOSUCHTABLE => 'no such table',
726 MDB2_ERROR_NOT_CAPABLE => 'MDB2 backend not capable',
727 MDB2_ERROR_NOT_FOUND => 'not found',
728 MDB2_ERROR_NOT_LOCKED => 'not locked',
729 MDB2_ERROR_SYNTAX => 'syntax error',
730 MDB2_ERROR_UNSUPPORTED => 'not supported',
731 MDB2_ERROR_VALUE_COUNT_ON_ROW => 'value count on row',
732 MDB2_ERROR_INVALID_DSN => 'invalid DSN',
733 MDB2_ERROR_CONNECT_FAILED => 'connect failed',
734 MDB2_ERROR_NEED_MORE_DATA => 'insufficient data supplied',
735 MDB2_ERROR_EXTENSION_NOT_FOUND=> 'extension not found',
736 MDB2_ERROR_NOSUCHDB => 'no such database',
737 MDB2_ERROR_ACCESS_VIOLATION => 'insufficient permissions',
738 MDB2_ERROR_LOADMODULE => 'error while including on demand module',
739 MDB2_ERROR_TRUNCATED => 'truncated',
740 MDB2_ERROR_DEADLOCK => 'deadlock detected',
741 );
742 }
743
744 if (is_null($value)) {
745 return $errorMessages;
746 }
747
748 if (PEAR::isError($value)) {
749 $value = $value->getCode();
750 }
751
752 return isset($errorMessages[$value]) ?
753 $errorMessages[$value] : $errorMessages[MDB2_ERROR];
754 }
755
756 // }}}
757 // {{{ function parseDSN($dsn)
758
796 function parseDSN($dsn)
797 {
798 $parsed = $GLOBALS['_MDB2_dsninfo_default'];
799
800 if (is_array($dsn)) {
801 $dsn = array_merge($parsed, $dsn);
802 if (!$dsn['dbsyntax']) {
803 $dsn['dbsyntax'] = $dsn['phptype'];
804 }
805 return $dsn;
806 }
807
808 // Find phptype and dbsyntax
809 if (($pos = strpos($dsn, '://')) !== false) {
810 $str = substr($dsn, 0, $pos);
811 $dsn = substr($dsn, $pos + 3);
812 } else {
813 $str = $dsn;
814 $dsn = null;
815 }
816
817 // Get phptype and dbsyntax
818 // $str => phptype(dbsyntax)
819 if (preg_match('|^(.+?)\‍((.*?)\‍)$|', $str, $arr)) {
820 $parsed['phptype'] = $arr[1];
821 $parsed['dbsyntax'] = !$arr[2] ? $arr[1] : $arr[2];
822 } else {
823 $parsed['phptype'] = $str;
824 $parsed['dbsyntax'] = $str;
825 }
826
827 if (!count($dsn)) {
828 return $parsed;
829 }
830
831 // Get (if found): username and password
832 // $dsn => username:password@protocol+hostspec/database
833 if (($at = strrpos($dsn,'@')) !== false) {
834 $str = substr($dsn, 0, $at);
835 $dsn = substr($dsn, $at + 1);
836 if (($pos = strpos($str, ':')) !== false) {
837 $parsed['username'] = rawurldecode(substr($str, 0, $pos));
838 $parsed['password'] = rawurldecode(substr($str, $pos + 1));
839 } else {
840 $parsed['username'] = rawurldecode($str);
841 }
842 }
843
844 // Find protocol and hostspec
845
846 // $dsn => proto(proto_opts)/database
847 if (preg_match('|^([^(]+)\‍((.*?)\‍)/?(.*?)$|', $dsn, $match)) {
848 $proto = $match[1];
849 $proto_opts = $match[2] ? $match[2] : false;
850 $dsn = $match[3];
851
852 // $dsn => protocol+hostspec/database (old format)
853 } else {
854 if (strpos($dsn, '+') !== false) {
855 list($proto, $dsn) = explode('+', $dsn, 2);
856 }
857 if ( strpos($dsn, '//') === 0
858 && strpos($dsn, '/', 2) !== false
859 && $parsed['phptype'] == 'oci8'
860 ) {
861 //oracle's "Easy Connect" syntax:
862 //"username/password@[//]host[:port][/service_name]"
863 //e.g. "scott/tiger@//mymachine:1521/oracle"
864 $proto_opts = $dsn;
865 $dsn = null;
866 } elseif (strpos($dsn, '/') !== false) {
867 list($proto_opts, $dsn) = explode('/', $dsn, 2);
868 } else {
869 $proto_opts = $dsn;
870 $dsn = null;
871 }
872 }
873
874 // process the different protocol options
875 $parsed['protocol'] = (!empty($proto)) ? $proto : 'tcp';
876 $proto_opts = rawurldecode($proto_opts);
877 if (strpos($proto_opts, ':') !== false) {
878 list($proto_opts, $parsed['port']) = explode(':', $proto_opts);
879 }
880 if ($parsed['protocol'] == 'tcp') {
881 $parsed['hostspec'] = $proto_opts;
882 } elseif ($parsed['protocol'] == 'unix') {
883 $parsed['socket'] = $proto_opts;
884 }
885
886 // Get dabase if any
887 // $dsn => database
888 if ($dsn) {
889 // /database
890 if (($pos = strpos($dsn, '?')) === false) {
891 $parsed['database'] = $dsn;
892 // /database?param1=value1&param2=value2
893 } else {
894 $parsed['database'] = substr($dsn, 0, $pos);
895 $dsn = substr($dsn, $pos + 1);
896 if (strpos($dsn, '&') !== false) {
897 $opts = explode('&', $dsn);
898 } else { // database?param1=value1
899 $opts = array($dsn);
900 }
901 foreach ($opts as $opt) {
902 list($key, $value) = explode('=', $opt);
903 if (!isset($parsed[$key])) {
904 // don't allow params overwrite
905 $parsed[$key] = rawurldecode($value);
906 }
907 }
908 }
909 }
910
911 return $parsed;
912 }
913
914 // }}}
915 // {{{ function fileExists($file)
916
927 {
928 // safe_mode does notwork with is_readable()
929 if (!@ini_get('safe_mode')) {
930 $dirs = explode(PATH_SEPARATOR, ini_get('include_path'));
931 foreach ($dirs as $dir) {
932 if (@is_readable($dir . DIRECTORY_SEPARATOR . $file)) {
933 return true;
934 }
935 }
936 } else {
937 $fp = @fopen($file, 'r', true);
938 if (is_resource($fp)) {
939 @fclose($fp);
940 return true;
941 }
942 }
943 return false;
944 }
945 // }}}
946}
947
948// }}}
949// {{{ class MDB2_Error extends PEAR_Error
950
960{
961 // {{{ constructor: function MDB2_Error($code = MDB2_ERROR, $mode = PEAR_ERROR_RETURN, $level = E_USER_NOTICE, $debuginfo = null)
962
972 $level = E_USER_NOTICE, $debuginfo = null)
973 {
974 if (is_null($code)) {
976 }
977 parent::__construct('MDB2 Error: '.MDB2::errorMessage($code), $code,
978 $mode, $level, $debuginfo);
979 }
980
981 // }}}
982}
983
984// }}}
985// {{{ class MDB2_Driver_Common extends PEAR
986
995{
996 // {{{ Variables (Properties)
997
1003 var $db_index = 0;
1004
1010 var $dsn = array();
1011
1017 var $connected_dsn = array();
1018
1025
1032
1039
1046
1053
1059 var $supported = array(
1060 'sequences' => false,
1061 'indexes' => false,
1062 'affected_rows' => false,
1063 'summary_functions' => false,
1064 'order_by_text' => false,
1065 'transactions' => false,
1066 'savepoints' => false,
1067 'current_id' => false,
1068 'limit_queries' => false,
1069 'LOBs' => false,
1070 'replace' => false,
1071 'sub_selects' => false,
1072 'auto_increment' => false,
1073 'primary_key' => false,
1074 'result_introspection' => false,
1075 'prepared_statements' => false,
1076 'identifier_quoting' => false,
1077 'pattern_escaping' => false,
1078 'new_link' => false,
1079 );
1080
1127 var $options = array(
1128 'ssl' => false,
1129 'field_case' => CASE_LOWER,
1130 'disable_query' => false,
1131 'result_class' => 'MDB2_Result_%s',
1132 'buffered_result_class' => 'MDB2_BufferedResult_%s',
1133 'result_wrap_class' => false,
1134 'result_buffering' => true,
1135 'fetch_class' => 'stdClass',
1136 'persistent' => false,
1137 'debug' => 0,
1138 'debug_handler' => 'MDB2_defaultDebugOutput',
1139 'debug_expanded_output' => false,
1140 'default_text_field_length' => 4096,
1141 'lob_buffer_length' => 8192,
1142 'log_line_break' => "\n",
1143 'idxname_format' => '%s_idx',
1144 'seqname_format' => '%s_seq',
1145 'savepoint_format' => 'MDB2_SAVEPOINT_%s',
1146 'statement_format' => 'MDB2_STATEMENT_%1$s_%2$s',
1147 'seqcol_name' => 'sequence',
1148 'quote_identifier' => false,
1149 'use_transactions' => true,
1150 'decimal_places' => 2,
1151 'portability' => MDB2_PORTABILITY_ALL,
1152 'modules' => array(
1153 'ex' => 'Extended',
1154 'dt' => 'Datatype',
1155 'mg' => 'Manager',
1156 'rv' => 'Reverse',
1157 'na' => 'Native',
1158 'fc' => 'Function',
1159 ),
1160 'emulate_prepared' => false,
1161 'datatype_map' => array(),
1162 'datatype_map_callback' => array(),
1163 'nativetype_map_callback' => array(),
1164 );
1165
1171 var $string_quoting = array('start' => "'", 'end' => "'", 'escape' => false, 'escape_pattern' => false);
1172
1178 var $identifier_quoting = array('start' => '"', 'end' => '"', 'escape' => '"');
1179
1185 var $sql_comments = array(
1186 array('start' => '--', 'end' => "\n", 'escape' => false),
1187 array('start' => '/*', 'end' => '*/', 'escape' => false),
1188 );
1189
1195 var $wildcards = array('%', '_');
1196
1202 var $as_keyword = ' AS ';
1203
1209 var $warnings = array();
1210
1217
1223 var $in_transaction = false;
1224
1231
1238
1244 var $offset = 0;
1245
1251 var $limit = 0;
1252
1259
1266
1273
1280
1286 var $modules = array();
1287
1294
1295 // }}}
1296 // {{{ constructor: function __construct()
1297
1301 function __construct()
1302 {
1303 end($GLOBALS['_MDB2_databases']);
1304 $db_index = key($GLOBALS['_MDB2_databases']) + 1;
1305 $GLOBALS['_MDB2_databases'][$db_index] = &$this;
1306 $this->db_index = $db_index;
1307 }
1308
1309 // }}}
1310 // {{{ function MDB2_Driver_Common()
1311
1316 {
1317 $this->destructor_registered = false;
1318 $this->__construct();
1319 }
1320
1321 // }}}
1322 // {{{ destructor: function __destruct()
1323
1327 function __destruct()
1328 {
1329 $this->disconnect(false);
1330 }
1331
1332 // }}}
1333 // {{{ function free()
1334
1342 function free()
1343 {
1344 unset($GLOBALS['_MDB2_databases'][$this->db_index]);
1345 unset($this->db_index);
1346 return MDB2_OK;
1347 }
1348
1349 // }}}
1350 // {{{ function __toString()
1351
1359 function __toString()
1360 {
1361 $info = get_class($this);
1362 $info.= ': (phptype = '.$this->phptype.', dbsyntax = '.$this->dbsyntax.')';
1363 if ($this->connection) {
1364 $info.= ' [connected]';
1365 }
1366 return $info;
1367 }
1368
1369 // }}}
1370 // {{{ function errorInfo($error = null)
1371
1381 function errorInfo($error = null)
1382 {
1383 return array($error, null, null);
1384 }
1385
1386 // }}}
1387 // {{{ function &raiseError($code = null, $mode = null, $options = null, $userinfo = null)
1388
1412 function &raiseError($code = null, $mode = null, $options = null, $userinfo = null, $method = null)
1413 {
1414 $userinfo = "[Error message: $userinfo]\n";
1415 // The error is yet a MDB2 error object
1416 if (PEAR::isError($code)) {
1417 // because we use the static PEAR::raiseError, our global
1418 // handler should be used if it is set
1419 if (is_null($mode) && !empty($this->_default_error_mode)) {
1422 }
1423 if (is_null($userinfo)) {
1424 $userinfo = $code->getUserinfo();
1425 }
1426 $code = $code->getCode();
1427 } elseif ($code == MDB2_ERROR_NOT_FOUND) {
1428 // extension not loaded: don't call $this->errorInfo() or the script
1429 // will die
1430 } elseif (isset($this->connection)) {
1431 if (!empty($this->last_query)) {
1432 $userinfo.= "[Last executed query: {$this->last_query}]\n";
1433 }
1434 $native_errno = $native_msg = null;
1435 list($code, $native_errno, $native_msg) = $this->errorInfo($code);
1436 if (!is_null($native_errno) && $native_errno !== '') {
1437 $userinfo.= "[Native code: $native_errno]\n";
1438 }
1439 if (!is_null($native_msg) && $native_msg !== '') {
1440 $userinfo.= "[Native message: ". strip_tags($native_msg) ."]\n";
1441 }
1442 if (!is_null($method)) {
1443 $userinfo = $method.': '.$userinfo;
1444 }
1445 }
1446
1447 $err =& PEAR::raiseError(null, $code, $mode, $options, $userinfo, 'MDB2_Error', true);
1448 if ($err->getMode() !== PEAR_ERROR_RETURN
1449 && isset($this->nested_transaction_counter) && !$this->has_transaction_error) {
1450 $this->has_transaction_error =& $err;
1451 }
1452 return $err;
1453 }
1454
1455 // }}}
1456 // {{{ function resetWarnings()
1457
1465 function resetWarnings()
1466 {
1467 $this->warnings = array();
1468 }
1469
1470 // }}}
1471 // {{{ function getWarnings()
1472
1482 function getWarnings()
1483 {
1484 return array_reverse($this->warnings);
1485 }
1486
1487 // }}}
1488 // {{{ function setFetchMode($fetchmode, $object_class = 'stdClass')
1489
1509 function setFetchMode($fetchmode, $object_class = 'stdClass')
1510 {
1511 switch ($fetchmode) {
1513 $this->options['fetch_class'] = $object_class;
1516 $this->fetchmode = $fetchmode;
1517 break;
1518 default:
1519 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1520 'invalid fetchmode mode', __FUNCTION__);
1521 }
1522
1523 return MDB2_OK;
1524 }
1525
1526 // }}}
1527 // {{{ function setOption($option, $value)
1528
1539 function setOption($option, $value)
1540 {
1541 if (array_key_exists($option, $this->options)) {
1542 $this->options[$option] = $value;
1543 return MDB2_OK;
1544 }
1545 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1546 "unknown option $option", __FUNCTION__);
1547 }
1548
1549 // }}}
1550 // {{{ function getOption($option)
1551
1561 function getOption($option)
1562 {
1563 if (array_key_exists($option, $this->options)) {
1564 return $this->options[$option];
1565 }
1566 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1567 "unknown option $option", __FUNCTION__);
1568 }
1569
1570 // }}}
1571 // {{{ function debug($message, $scope = '', $is_manip = null)
1572
1587 function debug($message, $scope = '', $context = array())
1588 {
1589 if ($this->options['debug'] && $this->options['debug_handler']) {
1590 if (!$this->options['debug_expanded_output']) {
1591 if (!empty($context['when']) && $context['when'] !== 'pre') {
1592 return null;
1593 }
1594 $context = empty($context['is_manip']) ? false : $context['is_manip'];
1595 }
1596 return call_user_func_array($this->options['debug_handler'], array(&$this, $scope, $message, $context));
1597 }
1598 return null;
1599 }
1600
1601 // }}}
1602 // {{{ function getDebugOutput()
1603
1612 {
1613 return $this->debug_output;
1614 }
1615
1616 // }}}
1617 // {{{ function escape($text)
1618
1630 function escape($text, $escape_wildcards = false)
1631 {
1632 if ($escape_wildcards) {
1633 $text = $this->escapePattern($text);
1634 }
1635
1636 $text = str_replace($this->string_quoting['end'], $this->string_quoting['escape'] . $this->string_quoting['end'], $text);
1637 return $text;
1638 }
1639
1640 // }}}
1641 // {{{ function escapePattern($text)
1642
1658 {
1659 if ($this->string_quoting['escape_pattern']) {
1660 $text = str_replace($this->string_quoting['escape_pattern'], $this->string_quoting['escape_pattern'] . $this->string_quoting['escape_pattern'], $text);
1661 foreach ($this->wildcards as $wildcard) {
1662 $text = str_replace($wildcard, $this->string_quoting['escape_pattern'] . $wildcard, $text);
1663 }
1664 }
1665 return $text;
1666 }
1667
1668 // }}}
1669 // {{{ function quoteIdentifier($str, $check_option = false)
1670
1705 function quoteIdentifier($str, $check_option = false)
1706 {
1707 if ($check_option && !$this->options['quote_identifier']) {
1708 return $str;
1709 }
1710 $str = str_replace($this->identifier_quoting['end'], $this->identifier_quoting['escape'] . $this->identifier_quoting['end'], $str);
1711 return $this->identifier_quoting['start'] . $str . $this->identifier_quoting['end'];
1712 }
1713
1714 // }}}
1715 // {{{ function getAsKeyword()
1716
1722 function getAsKeyword()
1723 {
1724 return $this->as_keyword;
1725 }
1726
1727 // }}}
1728 // {{{ function getConnection()
1729
1738 function getConnection()
1739 {
1740 $result = $this->connect();
1741 if (PEAR::isError($result)) {
1742 return $result;
1743 }
1744 return $this->connection;
1745 }
1746
1747 // }}}
1748 // {{{ function _fixResultArrayValues(&$row, $mode)
1749
1760 function _fixResultArrayValues(&$row, $mode)
1761 {
1762 switch ($mode) {
1764 foreach ($row as $key => $value) {
1765 if ($value === '') {
1766 $row[$key] = null;
1767 }
1768 }
1769 break;
1771 foreach ($row as $key => $value) {
1772 if (is_string($value)) {
1773 $row[$key] = rtrim($value);
1774 }
1775 }
1776 break;
1778 $tmp_row = array();
1779 foreach ($row as $key => $value) {
1780 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1781 }
1782 $row = $tmp_row;
1783 break;
1785 foreach ($row as $key => $value) {
1786 if ($value === '') {
1787 $row[$key] = null;
1788 } elseif (is_string($value)) {
1789 $row[$key] = rtrim($value);
1790 }
1791 }
1792 break;
1794 $tmp_row = array();
1795 foreach ($row as $key => $value) {
1796 if (is_string($value)) {
1797 $value = rtrim($value);
1798 }
1799 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1800 }
1801 $row = $tmp_row;
1802 break;
1804 $tmp_row = array();
1805 foreach ($row as $key => $value) {
1806 if ($value === '') {
1807 $value = null;
1808 }
1809 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1810 }
1811 $row = $tmp_row;
1812 break;
1814 $tmp_row = array();
1815 foreach ($row as $key => $value) {
1816 if ($value === '') {
1817 $value = null;
1818 } elseif (is_string($value)) {
1819 $value = rtrim($value);
1820 }
1821 $tmp_row[preg_replace('/^(?:.*\.)?([^.]+)$/', '\\1', $key)] = $value;
1822 }
1823 $row = $tmp_row;
1824 break;
1825 }
1826 }
1827
1828 // }}}
1829 // {{{ function &loadModule($module, $property = null, $phptype_specific = null)
1830
1845 function &loadModule($module, $property = null, $phptype_specific = null)
1846 {
1847 if (!$property) {
1848 $property = strtolower($module);
1849 }
1850
1851 if (!isset($this->{$property})) {
1852 $version = $phptype_specific;
1853 if ($phptype_specific !== false) {
1854 $version = true;
1855 $class_name = 'MDB2_Driver_'.$module.'_'.$this->phptype;
1856 $file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
1857 }
1858 if ($phptype_specific === false
1859 || (!MDB2::classExists($class_name) && !MDB2::fileExists($file_name))
1860 ) {
1861 $version = false;
1862 $class_name = 'MDB2_'.$module;
1863 $file_name = str_replace('_', DIRECTORY_SEPARATOR, $class_name).'.php';
1864 }
1865
1866 $err = MDB2::loadClass($class_name, $this->getOption('debug'));
1867 if (PEAR::isError($err)) {
1868 return $err;
1869 }
1870
1871 // load modul in a specific version
1872 if ($version) {
1873 if (method_exists($class_name, 'getClassName')) {
1874 $class_name_new = call_user_func(array($class_name, 'getClassName'), $this->db_index);
1875 if ($class_name != $class_name_new) {
1876 $class_name = $class_name_new;
1877 $err = MDB2::loadClass($class_name, $this->getOption('debug'));
1878 if (PEAR::isError($err)) {
1879 return $err;
1880 }
1881 }
1882 }
1883 }
1884
1885 if (!MDB2::classExists($class_name)) {
1886 $err =& $this->raiseError(MDB2_ERROR_LOADMODULE, null, null,
1887 "unable to load module '$module' into property '$property'", __FUNCTION__);
1888 return $err;
1889 }
1890 $this->{$property} = new $class_name($this->db_index);
1891 $this->modules[$module] =& $this->{$property};
1892 if ($version) {
1893 // this will be used in the connect method to determine if the module
1894 // needs to be loaded with a different version if the server
1895 // version changed in between connects
1896 $this->loaded_version_modules[] = $property;
1897 }
1898 }
1899
1900 return $this->{$property};
1901 }
1902
1903 // }}}
1904 // {{{ function __call($method, $params)
1905
1914 function __call($method, $params)
1915 {
1916 $module = null;
1917 if (preg_match('/^([a-z]+)([A-Z])(.*)$/', $method, $match)
1918 && isset($this->options['modules'][$match[1]])
1919 ) {
1920 $module = $this->options['modules'][$match[1]];
1921 $method = strtolower($match[2]).$match[3];
1922 if (!isset($this->modules[$module]) || !is_object($this->modules[$module])) {
1923 $result =& $this->loadModule($module);
1924 if (PEAR::isError($result)) {
1925 return $result;
1926 }
1927 }
1928 } else {
1929 foreach ($this->modules as $key => $foo) {
1930 if (is_object($this->modules[$key])
1931 && method_exists($this->modules[$key], $method)
1932 ) {
1933 $module = $key;
1934 break;
1935 }
1936 }
1937 }
1938 if (!is_null($module)) {
1939 return call_user_func_array(array(&$this->modules[$module], $method), $params);
1940 }
1941 trigger_error(sprintf('Call to undefined function: %s::%s().', get_class($this), $method), E_USER_ERROR);
1942 }
1943
1944 // }}}
1945 // {{{ function beginTransaction($savepoint = null)
1946
1955 function beginTransaction($savepoint = null)
1956 {
1957 $this->debug('Starting transaction', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
1958 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1959 'transactions are not supported', __FUNCTION__);
1960 }
1961
1962 // }}}
1963 // {{{ function commit($savepoint = null)
1964
1976 function commit($savepoint = null)
1977 {
1978 $this->debug('Committing transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
1979 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
1980 'commiting transactions is not supported', __FUNCTION__);
1981 }
1982
1983 // }}}
1984 // {{{ function rollback($savepoint = null)
1985
1997 function rollback($savepoint = null)
1998 {
1999 $this->debug('Rolling back transaction/savepoint', __FUNCTION__, array('is_manip' => true, 'savepoint' => $savepoint));
2000 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2001 'rolling back transactions is not supported', __FUNCTION__);
2002 }
2003
2004 // }}}
2005 // {{{ function inTransaction($ignore_nested = false)
2006
2018 function inTransaction($ignore_nested = false)
2019 {
2020 if (!$ignore_nested && isset($this->nested_transaction_counter)) {
2022 }
2023 return $this->in_transaction;
2024 }
2025
2026 // }}}
2027 // {{{ function setTransactionIsolation($isolation)
2028
2045 function setTransactionIsolation($isolation, $options = array())
2046 {
2047 $this->debug('Setting transaction isolation level', __FUNCTION__, array('is_manip' => true));
2048 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2049 'isolation level setting is not supported', __FUNCTION__);
2050 }
2051
2052 // }}}
2053 // {{{ function beginNestedTransaction($savepoint = false)
2054
2069 {
2070 if ($this->in_transaction) {
2072 $savepoint = sprintf($this->options['savepoint_format'], $this->nested_transaction_counter);
2073 if ($this->supports('savepoints') && $savepoint) {
2074 return $this->beginTransaction($savepoint);
2075 }
2076 return MDB2_OK;
2077 }
2078 $this->has_transaction_error = false;
2079 $result = $this->beginTransaction();
2080 $this->nested_transaction_counter = 1;
2081 return $result;
2082 }
2083
2084 // }}}
2085 // {{{ function completeNestedTransaction($force_rollback = false, $release = false)
2086
2104 function completeNestedTransaction($force_rollback = false)
2105 {
2106 if ($this->nested_transaction_counter > 1) {
2107 $savepoint = sprintf($this->options['savepoint_format'], $this->nested_transaction_counter);
2108 if ($this->supports('savepoints') && $savepoint) {
2109 if ($force_rollback || $this->has_transaction_error) {
2110 $result = $this->rollback($savepoint);
2111 if (!PEAR::isError($result)) {
2112 $result = false;
2113 $this->has_transaction_error = false;
2114 }
2115 } else {
2116 $result = $this->commit($savepoint);
2117 }
2118 } else {
2119 $result = MDB2_OK;
2120 }
2122 return $result;
2123 }
2124
2125 $this->nested_transaction_counter = null;
2126 $result = MDB2_OK;
2127
2128 // transaction has not yet been rolled back
2129 if ($this->in_transaction) {
2130 if ($force_rollback || $this->has_transaction_error) {
2131 $result = $this->rollback();
2132 if (!PEAR::isError($result)) {
2133 $result = false;
2134 }
2135 } else {
2136 $result = $this->commit();
2137 }
2138 }
2139 $this->has_transaction_error = false;
2140 return $result;
2141 }
2142
2143 // }}}
2144 // {{{ function failNestedTransaction($error = null, $immediately = false)
2145
2161 function failNestedTransaction($error = null, $immediately = false)
2162 {
2163 if (is_null($error)) {
2164 $error = $this->has_transaction_error ? $this->has_transaction_error : true;
2165 } elseif (!$error) {
2166 $error = true;
2167 }
2168 $this->has_transaction_error = $error;
2169 if (!$immediately) {
2170 return MDB2_OK;
2171 }
2172 return $this->rollback();
2173 }
2174
2175 // }}}
2176 // {{{ function getNestedTransactionError()
2177
2192 {
2194 }
2195
2196 // }}}
2197 // {{{ connect()
2198
2204 function connect()
2205 {
2206 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2207 'method not implemented', __FUNCTION__);
2208 }
2209
2210 // }}}
2211 // {{{ setCharset($charset, $connection = null)
2212
2221 function setCharset($charset, $connection = null)
2222 {
2223 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2224 'method not implemented', __FUNCTION__);
2225 }
2226
2227 // }}}
2228 // {{{ function disconnect($force = true)
2229
2241 function disconnect($force = true)
2242 {
2243 $this->connection = 0;
2244 $this->connected_dsn = array();
2245 $this->connected_database_name = '';
2246 $this->opened_persistent = null;
2247 $this->connected_server_info = '';
2248 $this->in_transaction = null;
2249 $this->nested_transaction_counter = null;
2250 return MDB2_OK;
2251 }
2252
2253 // }}}
2254 // {{{ function setDatabase($name)
2255
2265 function setDatabase($name)
2266 {
2267 $previous_database_name = (isset($this->database_name)) ? $this->database_name : '';
2268 $this->database_name = $name;
2269 $this->disconnect(false);
2270 return $previous_database_name;
2271 }
2272
2273 // }}}
2274 // {{{ function getDatabase()
2275
2283 function getDatabase()
2284 {
2285 return $this->database_name;
2286 }
2287
2288 // }}}
2289 // {{{ function setDSN($dsn)
2290
2300 function setDSN($dsn)
2301 {
2302 $dsn_default = $GLOBALS['_MDB2_dsninfo_default'];
2304 if (array_key_exists('database', $dsn)) {
2305 $this->database_name = $dsn['database'];
2306 unset($dsn['database']);
2307 }
2308 $this->dsn = array_merge($dsn_default, $dsn);
2309 return $this->disconnect(false);
2310 }
2311
2312 // }}}
2313 // {{{ function getDSN($type = 'string', $hidepw = false)
2314
2325 function getDSN($type = 'string', $hidepw = false)
2326 {
2327 $dsn = array_merge($GLOBALS['_MDB2_dsninfo_default'], $this->dsn);
2328 $dsn['phptype'] = $this->phptype;
2329 $dsn['database'] = $this->database_name;
2330 if ($hidepw) {
2331 $dsn['password'] = $hidepw;
2332 }
2333 switch ($type) {
2334 // expand to include all possible options
2335 case 'string':
2336 $dsn = $dsn['phptype'].
2337 ($dsn['dbsyntax'] ? ('('.$dsn['dbsyntax'].')') : '').
2338 '://'.$dsn['username'].':'.
2339 $dsn['password'].'@'.$dsn['hostspec'].
2340 ($dsn['port'] ? (':'.$dsn['port']) : '').
2341 '/'.$dsn['database'];
2342 break;
2343 case 'array':
2344 default:
2345 break;
2346 }
2347 return $dsn;
2348 }
2349
2350 // }}}
2351 // {{{ function &standaloneQuery($query, $types = null, $is_manip = false)
2352
2365 function &standaloneQuery($query, $types = null, $is_manip = false)
2366 {
2369 $this->offset = $this->limit = 0;
2370 $query = $this->_modifyQuery($query, $is_manip, $limit, $offset);
2371
2372 $connection = $this->getConnection();
2373 if (PEAR::isError($connection)) {
2374 return $connection;
2375 }
2376
2377 $result =& $this->_doQuery($query, $is_manip, $connection, false);
2378 if (PEAR::isError($result)) {
2379 return $result;
2380 }
2381
2382 if ($is_manip) {
2383 $affected_rows = $this->_affectedRows($connection, $result);
2384 return $affected_rows;
2385 }
2386 $result =& $this->_wrapResult($result, $types, true, false, $limit, $offset);
2387 return $result;
2388 }
2389
2390 // }}}
2391 // {{{ function _modifyQuery($query, $is_manip, $limit, $offset)
2392
2405 function _modifyQuery($query, $is_manip, $limit, $offset)
2406 {
2407 return $query;
2408 }
2409
2410 // }}}
2411 // {{{ function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
2412
2424 function &_doQuery($query, $is_manip = false, $connection = null, $database_name = null)
2425 {
2426 $this->last_query = $query;
2427 $result = $this->debug($query, 'query', array('is_manip' => $is_manip, 'when' => 'pre'));
2428 if ($result) {
2429 if (PEAR::isError($result)) {
2430 return $result;
2431 }
2432 $query = $result;
2433 }
2434 $err =& $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2435 'method not implemented', __FUNCTION__);
2436 return $err;
2437 }
2438
2439 // }}}
2440 // {{{ function _affectedRows($connection, $result = null)
2441
2453 {
2454 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2455 'method not implemented', __FUNCTION__);
2456 }
2457
2458 // }}}
2459 // {{{ function &exec($query)
2460
2470 function &exec($query)
2471 {
2474 $this->offset = $this->limit = 0;
2475 $query = $this->_modifyQuery($query, true, $limit, $offset);
2476
2477 $connection = $this->getConnection();
2478 if (PEAR::isError($connection)) {
2479 return $connection;
2480 }
2481
2482 $result =& $this->_doQuery($query, true, $connection, $this->database_name);
2483 if (PEAR::isError($result)) {
2484 return $result;
2485 }
2486
2487 $affectedRows = $this->_affectedRows($connection, $result);
2488 return $affectedRows;
2489 }
2490
2491 // }}}
2492 // {{{ function &query($query, $types = null, $result_class = true, $result_wrap_class = false)
2493
2507 function &query($query, $types = null, $result_class = true, $result_wrap_class = false)
2508 {
2511 $this->offset = $this->limit = 0;
2512 $query = $this->_modifyQuery($query, false, $limit, $offset);
2513
2514 $connection = $this->getConnection();
2515 if (PEAR::isError($connection)) {
2516 return $connection;
2517 }
2518
2519 $result =& $this->_doQuery($query, false, $connection, $this->database_name);
2520 if (PEAR::isError($result)) {
2521 return $result;
2522 }
2523
2524 $result =& $this->_wrapResult($result, $types, $result_class, $result_wrap_class, $limit, $offset);
2525 return $result;
2526 }
2527
2528 // }}}
2529 // {{{ function &_wrapResult($result, $types = array(), $result_class = true, $result_wrap_class = false, $limit = null, $offset = null)
2530
2546 function &_wrapResult($result, $types = array(), $result_class = true,
2547 $result_wrap_class = false, $limit = null, $offset = null)
2548 {
2549 if ($types === true) {
2550 if ($this->supports('result_introspection')) {
2551 $this->loadModule('Reverse', null, true);
2552 $tableInfo = $this->reverse->tableInfo($result);
2553 if (PEAR::isError($tableInfo)) {
2554 return $tableInfo;
2555 }
2556 $types = array();
2557 foreach ($tableInfo as $field) {
2558 $types[] = $field['mdb2type'];
2559 }
2560 } else {
2561 $types = null;
2562 }
2563 }
2564
2565 if ($result_class === true) {
2566 $result_class = $this->options['result_buffering']
2567 ? $this->options['buffered_result_class'] : $this->options['result_class'];
2568 }
2569
2570 if ($result_class) {
2571 $class_name = sprintf($result_class, $this->phptype);
2572 if (!MDB2::classExists($class_name)) {
2573 $err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
2574 'result class does not exist '.$class_name, __FUNCTION__);
2575 return $err;
2576 }
2577 $result = new $class_name($this, $result, $limit, $offset);
2579 $err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
2580 'result class is not extended from MDB2_Result_Common', __FUNCTION__);
2581 return $err;
2582 }
2583 if (!empty($types)) {
2584 $err = $result->setResultTypes($types);
2585 if (PEAR::isError($err)) {
2586 $result->free();
2587 return $err;
2588 }
2589 }
2590 }
2591 if ($result_wrap_class === true) {
2592 $result_wrap_class = $this->options['result_wrap_class'];
2593 }
2594 if ($result_wrap_class) {
2595 if (!MDB2::classExists($result_wrap_class)) {
2596 $err =& $this->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
2597 'result wrap class does not exist '.$result_wrap_class, __FUNCTION__);
2598 return $err;
2599 }
2600 $result = new $result_wrap_class($result, $this->fetchmode);
2601 }
2602 return $result;
2603 }
2604
2605 // }}}
2606 // {{{ function getServerVersion($native = false)
2607
2617 function getServerVersion($native = false)
2618 {
2619 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2620 'method not implemented', __FUNCTION__);
2621 }
2622
2623 // }}}
2624 // {{{ function setLimit($limit, $offset = null)
2625
2636 function setLimit($limit, $offset = null)
2637 {
2638 if (!$this->supports('limit_queries')) {
2639 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2640 'limit is not supported by this driver', __FUNCTION__);
2641 }
2642 $limit = (int)$limit;
2643 if ($limit < 0) {
2644 return $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2645 'it was not specified a valid selected range row limit', __FUNCTION__);
2646 }
2647 $this->limit = $limit;
2648 if (!is_null($offset)) {
2649 $offset = (int)$offset;
2650 if ($offset < 0) {
2651 return $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2652 'it was not specified a valid first selected range row', __FUNCTION__);
2653 }
2654 $this->offset = $offset;
2655 }
2656 return MDB2_OK;
2657 }
2658
2659 // }}}
2660 // {{{ function subSelect($query, $type = false)
2661
2674 function subSelect($query, $type = false)
2675 {
2676 if ($this->supports('sub_selects') === true) {
2677 return $query;
2678 }
2679
2680 if (!$this->supports('sub_selects')) {
2681 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2682 'method not implemented', __FUNCTION__);
2683 }
2684
2685 $col = $this->queryCol($query, $type);
2686 if (PEAR::isError($col)) {
2687 return $col;
2688 }
2689 if (!is_array($col) || count($col) == 0) {
2690 return 'NULL';
2691 }
2692 if ($type) {
2693 $this->loadModule('Datatype', null, true);
2694 return $this->datatype->implodeArray($col, $type);
2695 }
2696 return implode(', ', $col);
2697 }
2698
2699 // }}}
2700 // {{{ function replace($table, $fields)
2701
2765 function replace($table, $fields)
2766 {
2767 if (!$this->supports('replace')) {
2768 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
2769 'replace query is not supported', __FUNCTION__);
2770 }
2771 $count = count($fields);
2772 $condition = $values = array();
2773 for ($colnum = 0, reset($fields); $colnum < $count; next($fields), $colnum++) {
2774 $name = key($fields);
2775 if (isset($fields[$name]['null']) && $fields[$name]['null']) {
2776 $value = 'NULL';
2777 } else {
2778 $type = isset($fields[$name]['type']) ? $fields[$name]['type'] : null;
2779 $value = $this->quote($fields[$name]['value'], $type);
2780 }
2781 $values[$name] = $value;
2782 if (isset($fields[$name]['key']) && $fields[$name]['key']) {
2783 if ($value === 'NULL') {
2784 return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
2785 'key value '.$name.' may not be NULL', __FUNCTION__);
2786 }
2787 $condition[] = $name . '=' . $value;
2788 }
2789 }
2790 if (empty($condition)) {
2791 return $this->raiseError(MDB2_ERROR_CANNOT_REPLACE, null, null,
2792 'not specified which fields are keys', __FUNCTION__);
2793 }
2794
2795 $result = null;
2798 return $result;
2799 }
2800
2801 $connection = $this->getConnection();
2802 if (PEAR::isError($connection)) {
2803 return $connection;
2804 }
2805
2806 $condition = ' WHERE '.implode(' AND ', $condition);
2807 $query = "DELETE FROM $table$condition";
2808 $result =& $this->_doQuery($query, true, $connection);
2809 if (!PEAR::isError($result)) {
2810 $affected_rows = $this->_affectedRows($connection, $result);
2811 $insert = implode(', ', array_keys($values));
2812 $values = implode(', ', $values);
2813 $query = "INSERT INTO $table ($insert) VALUES ($values)";
2814 $result =& $this->_doQuery($query, true, $connection);
2815 if (!PEAR::isError($result)) {
2816 $affected_rows += $this->_affectedRows($connection, $result);;
2817 }
2818 }
2819
2820 if (!$in_transaction) {
2821 if (PEAR::isError($result)) {
2822 $this->rollback();
2823 } else {
2824 $result = $this->commit();
2825 }
2826 }
2827
2828 if (PEAR::isError($result)) {
2829 return $result;
2830 }
2831
2832 return $affected_rows;
2833 }
2834
2835 // }}}
2836 // {{{ function &prepare($query, $types = null, $result_types = null, $lobs = array())
2837
2860 function &prepare($query, $types = null, $result_types = null, $lobs = array())
2861 {
2862 $is_manip = ($result_types === MDB2_PREPARE_MANIP);
2865 $this->offset = $this->limit = 0;
2866 $result = $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'pre'));
2867 if ($result) {
2868 if (PEAR::isError($result)) {
2869 return $result;
2870 }
2871 $query = $result;
2872 }
2873 $placeholder_type_guess = $placeholder_type = null;
2874 $question = '?';
2875 $colon = ':';
2876 $positions = array();
2877 $position = 0;
2878 $ignores = $this->sql_comments;
2879 $ignores[] = $this->string_quoting;
2880 $ignores[] = $this->identifier_quoting;
2881 while ($position < strlen($query)) {
2882 $q_position = strpos($query, $question, $position);
2883 $c_position = strpos($query, $colon, $position);
2884 if ($q_position && $c_position) {
2885 $p_position = min($q_position, $c_position);
2886 } elseif ($q_position) {
2887 $p_position = $q_position;
2888 } elseif ($c_position) {
2889 $p_position = $c_position;
2890 } else {
2891 break;
2892 }
2893 if (is_null($placeholder_type)) {
2894 $placeholder_type_guess = $query[$p_position];
2895 }
2896
2897 $new_pos = $this->_skipDelimitedStrings($query, $position, $p_position);
2898 if (PEAR::isError($new_pos)) {
2899 return $new_pos;
2900 }
2901 if ($new_pos != $position) {
2902 $position = $new_pos;
2903 continue; //evaluate again starting from the new position
2904 }
2905
2906 if ($query[$position] == $placeholder_type_guess) {
2907 if (is_null($placeholder_type)) {
2908 $placeholder_type = $query[$p_position];
2909 $question = $colon = $placeholder_type;
2910 if (!empty($types) && is_array($types)) {
2911 if ($placeholder_type == ':') {
2912 if (is_int(key($types))) {
2913 $types_tmp = $types;
2914 $types = array();
2915 $count = -1;
2916 }
2917 } else {
2918 $types = array_values($types);
2919 }
2920 }
2921 }
2922 if ($placeholder_type == ':') {
2923 $parameter = preg_replace('/^.{'.($position+1).'}([a-z0-9_]+).*$/si', '\\1', $query);
2924 if ($parameter === '') {
2925 $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2926 'named parameter with an empty name', __FUNCTION__);
2927 return $err;
2928 }
2929 $positions[$p_position] = $parameter;
2930 $query = substr_replace($query, '?', $position, strlen($parameter)+1);
2931 // use parameter name in type array
2932 if (isset($count) && isset($types_tmp[++$count])) {
2933 $types[$parameter] = $types_tmp[$count];
2934 }
2935 } else {
2936 $positions[$p_position] = count($positions);
2937 }
2938 $position = $p_position + 1;
2939 } else {
2940 $position = $p_position;
2941 }
2942 }
2943 $class_name = 'MDB2_Statement_'.$this->phptype;
2944 $statement = null;
2945 $obj = new $class_name($this, $statement, $positions, $query, $types, $result_types, $is_manip, $limit, $offset);
2946 $this->debug($query, __FUNCTION__, array('is_manip' => $is_manip, 'when' => 'post', 'result' => $obj));
2947 return $obj;
2948 }
2949
2950 // }}}
2951 // {{{ function _skipDelimitedStrings($query, $position, $p_position)
2952
2968 function _skipDelimitedStrings($query, $position, $p_position)
2969 {
2970 $ignores = $this->sql_comments;
2971 $ignores[] = $this->string_quoting;
2972 $ignores[] = $this->identifier_quoting;
2973
2974 foreach ($ignores as $ignore) {
2975 if (!empty($ignore['start'])) {
2976 if (is_int($start_quote = strpos($query, $ignore['start'], $position)) && $start_quote < $p_position) {
2977 $end_quote = $start_quote;
2978 do {
2979 if (!is_int($end_quote = strpos($query, $ignore['end'], $end_quote + 1))) {
2980 if ($ignore['end'] === "\n") {
2981 $end_quote = strlen($query) - 1;
2982 } else {
2983 $err =& $this->raiseError(MDB2_ERROR_SYNTAX, null, null,
2984 'query with an unterminated text string specified', __FUNCTION__);
2985 return $err;
2986 }
2987 }
2988 } while ($ignore['escape'] && $query[($end_quote - 1)] == $ignore['escape']);
2989 $position = $end_quote + 1;
2990 return $position;
2991 }
2992 }
2993 }
2994 return $position;
2995 }
2996
2997 // }}}
2998 // {{{ function quote($value, $type = null, $quote = true)
2999
3014 function quote($value, $type = null, $quote = true, $escape_wildcards = false)
3015 {
3016 $result = $this->loadModule('Datatype', null, true);
3017 if (PEAR::isError($result)) {
3018 return $result;
3019 }
3020
3021 return $this->datatype->quote($value, $type, $quote, $escape_wildcards);
3022 }
3023
3024 // }}}
3025 // {{{ function getDeclaration($type, $name, $field)
3026
3040 function getDeclaration($type, $name, $field)
3041 {
3042 $result = $this->loadModule('Datatype', null, true);
3043 if (PEAR::isError($result)) {
3044 return $result;
3045 }
3046 return $this->datatype->getDeclaration($type, $name, $field);
3047 }
3048
3049 // }}}
3050 // {{{ function compareDefinition($current, $previous)
3051
3062 function compareDefinition($current, $previous)
3063 {
3064 $result = $this->loadModule('Datatype', null, true);
3065 if (PEAR::isError($result)) {
3066 return $result;
3067 }
3068 return $this->datatype->compareDefinition($current, $previous);
3069 }
3070
3071 // }}}
3072 // {{{ function supports($feature)
3073
3086 function supports($feature)
3087 {
3088 if (array_key_exists($feature, $this->supported)) {
3089 return $this->supported[$feature];
3090 }
3091 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3092 "unknown support feature $feature", __FUNCTION__);
3093 }
3094
3095 // }}}
3096 // {{{ function getSequenceName($sqn)
3097
3107 function getSequenceName($sqn)
3108 {
3109 return sprintf($this->options['seqname_format'],
3110 preg_replace('/[^a-z0-9_\$.]/i', '_', $sqn));
3111 }
3112
3113 // }}}
3114 // {{{ function getIndexName($idx)
3115
3125 function getIndexName($idx)
3126 {
3127 return sprintf($this->options['idxname_format'],
3128 preg_replace('/[^a-z0-9_\$]/i', '_', $idx));
3129 }
3130
3131 // }}}
3132 // {{{ function nextID($seq_name, $ondemand = true)
3133
3144 function nextID($seq_name, $ondemand = true)
3145 {
3146 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3147 'method not implemented', __FUNCTION__);
3148 }
3149
3150 // }}}
3151 // {{{ function lastInsertID($table = null, $field = null)
3152
3164 function lastInsertID($table = null, $field = null)
3165 {
3166 return $this->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3167 'method not implemented', __FUNCTION__);
3168 }
3169
3170 // }}}
3171 // {{{ function currID($seq_name)
3172
3182 function currID($seq_name)
3183 {
3184 $this->warnings[] = 'database does not support getting current
3185 sequence value, the sequence value was incremented';
3186 return $this->nextID($seq_name);
3187 }
3188
3189 // }}}
3190 // {{{ function queryOne($query, $type = null, $colnum = 0)
3191
3208 function queryOne($query, $type = null, $colnum = 0)
3209 {
3210 $result = $this->query($query, $type);
3212 return $result;
3213 }
3214
3215 $one = $result->fetchOne($colnum);
3216 $result->free();
3217 return $one;
3218 }
3219
3220 // }}}
3221 // {{{ function queryRow($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT)
3222
3240 {
3241 $result = $this->query($query, $types);
3243 return $result;
3244 }
3245
3246 $row = $result->fetchRow($fetchmode);
3247 $result->free();
3248 return $row;
3249 }
3250
3251 // }}}
3252 // {{{ function queryCol($query, $type = null, $colnum = 0)
3253
3269 function queryCol($query, $type = null, $colnum = 0)
3270 {
3271 $result = $this->query($query, $type);
3273 return $result;
3274 }
3275
3276 $col = $result->fetchCol($colnum);
3277 $result->free();
3278 return $col;
3279 }
3280
3281 // }}}
3282 // {{{ function queryAll($query, $types = null, $fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false, $force_array = false, $group = false)
3283
3309 $rekey = false, $force_array = false, $group = false)
3310 {
3311 $result = $this->query($query, $types);
3313 return $result;
3314 }
3315
3316 $all = $result->fetchAll($fetchmode, $rekey, $force_array, $group);
3317 $result->free();
3318 return $all;
3319 }
3320
3321 // }}}
3322}
3323
3324// }}}
3325// {{{ class MDB2_Result
3326
3335{
3336}
3337
3338// }}}
3339// {{{ class MDB2_Result_Common extends MDB2_Result
3340require_once('./Services/Database/interfaces/interface.ilDBStatement.php');
3349{
3350 // {{{ Variables (Properties)
3351
3352 var $db;
3354 var $rownum = -1;
3355 var $types = array();
3356 var $values = array();
3361
3362 // }}}
3363 // {{{ constructor: function __construct($db, $result, $limit = 0, $offset = 0)
3364
3368 function __construct($db, $result, $limit = 0, $offset = 0)
3369 {
3370 $this->db = $db;
3371 $this->result = $result;
3372 $this->offset = $offset;
3373 $this->limit = max(0, $limit - 1);
3374 }
3375
3376
3377 public function fetch($fetch_mode = ilDBConstants::FETCHMODE_ASSOC) {
3378 return $this->fetchRow($fetch_mode);
3379 }
3380
3381
3382 public function fetchObject() {
3384 }
3385
3386
3387 public function fetchAssoc() {
3389 }
3390
3391 // }}}
3392 // {{{ function MDB2_Result_Common($db, $result, $limit = 0, $offset = 0)
3393
3397 function MDB2_Result_Common($db, $result, $limit = 0, $offset = 0)
3398 {
3399 $this->__construct($db, $result, $limit, $offset);
3400 }
3401
3402 // }}}
3403 // {{{ function setResultTypes($types)
3404
3427 {
3428 $load = $this->db->loadModule('Datatype', null, true);
3429 if (PEAR::isError($load)) {
3430 return $load;
3431 }
3432 $types = $this->db->datatype->checkResultTypes($types);
3433 if (PEAR::isError($types)) {
3434 return $types;
3435 }
3436 $this->types = $types;
3437 return MDB2_OK;
3438 }
3439
3440 // }}}
3441 // {{{ function seek($rownum = 0)
3442
3452 function seek($rownum = 0)
3453 {
3454 $target_rownum = $rownum - 1;
3455 if ($this->rownum > $target_rownum) {
3456 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3457 'seeking to previous rows not implemented', __FUNCTION__);
3458 }
3459 while ($this->rownum < $target_rownum) {
3460 $this->fetchRow();
3461 }
3462 return MDB2_OK;
3463 }
3464
3465 // }}}
3466 // {{{ function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
3467
3478 function &fetchRow($fetchmode = MDB2_FETCHMODE_DEFAULT, $rownum = null)
3479 {
3480 $err =& $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3481 'method not implemented', __FUNCTION__);
3482 return $err;
3483 }
3484
3485 // }}}
3486 // {{{ function fetchOne($colnum = 0)
3487
3498 function fetchOne($colnum = 0, $rownum = null)
3499 {
3500 $fetchmode = is_numeric($colnum) ? MDB2_FETCHMODE_ORDERED : MDB2_FETCHMODE_ASSOC;
3501 $row = $this->fetchRow($fetchmode, $rownum);
3502 if (!is_array($row) || PEAR::isError($row)) {
3503 return $row;
3504 }
3505 if (!array_key_exists($colnum, $row)) {
3506 return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
3507 'column is not defined in the result set: '.$colnum, __FUNCTION__);
3508 }
3509 return $row[$colnum];
3510 }
3511
3512 // }}}
3513 // {{{ function fetchCol($colnum = 0)
3514
3524 function fetchCol($colnum = 0)
3525 {
3526 $column = array();
3527 $fetchmode = is_numeric($colnum) ? MDB2_FETCHMODE_ORDERED : MDB2_FETCHMODE_ASSOC;
3528 $row = $this->fetchRow($fetchmode);
3529 if (is_array($row)) {
3530 if (!array_key_exists($colnum, $row)) {
3531 return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
3532 'column is not defined in the result set: '.$colnum, __FUNCTION__);
3533 }
3534 do {
3535 $column[] = $row[$colnum];
3536 } while (is_array($row = $this->fetchRow($fetchmode)));
3537 }
3538 if (PEAR::isError($row)) {
3539 return $row;
3540 }
3541 return $column;
3542 }
3543
3544 // }}}
3545 // {{{ function fetchAll($fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false, $force_array = false, $group = false)
3546
3570 function fetchAll($fetchmode = MDB2_FETCHMODE_DEFAULT, $rekey = false,
3571 $force_array = false, $group = false)
3572 {
3573 $all = array();
3574 $row = $this->fetchRow($fetchmode);
3575 if (PEAR::isError($row)) {
3576 return $row;
3577 } elseif (!$row) {
3578 return $all;
3579 }
3580
3581 $shift_array = $rekey ? false : null;
3582 if (!is_null($shift_array)) {
3583 if (is_object($row)) {
3584 $colnum = count(get_object_vars($row));
3585 } else {
3586 $colnum = count($row);
3587 }
3588 if ($colnum < 2) {
3589 return $this->db->raiseError(MDB2_ERROR_TRUNCATED, null, null,
3590 'rekey feature requires atleast 2 column', __FUNCTION__);
3591 }
3592 $shift_array = (!$force_array && $colnum == 2);
3593 }
3594
3595 if ($rekey) {
3596 do {
3597 if (is_object($row)) {
3598 $arr = get_object_vars($row);
3599 $key = reset($arr);
3600 unset($row->{$key});
3601 } else {
3602 if ($fetchmode & MDB2_FETCHMODE_ASSOC) {
3603 $key = reset($row);
3604 unset($row[key($row)]);
3605 } else {
3606 $key = array_shift($row);
3607 }
3608 if ($shift_array) {
3609 $row = array_shift($row);
3610 }
3611 }
3612 if ($group) {
3613 $all[$key][] = $row;
3614 } else {
3615 $all[$key] = $row;
3616 }
3617 } while (($row = $this->fetchRow($fetchmode)));
3618 } elseif ($fetchmode & MDB2_FETCHMODE_FLIPPED) {
3619 do {
3620 foreach ($row as $key => $val) {
3621 $all[$key][] = $val;
3622 }
3623 } while (($row = $this->fetchRow($fetchmode)));
3624 } else {
3625 do {
3626 $all[] = $row;
3627 } while (($row = $this->fetchRow($fetchmode)));
3628 }
3629
3630 return $all;
3631 }
3632
3633 // }}}
3634 // {{{ function rowCount()
3641 function rowCount()
3642 {
3643 return $this->rownum + 1;
3644 }
3645
3646 // }}}
3647 // {{{ function numRows()
3648
3656 function numRows()
3657 {
3658 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3659 'method not implemented', __FUNCTION__);
3660 }
3661
3662 // }}}
3663 // {{{ function nextResult()
3664
3672 function nextResult()
3673 {
3674 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3675 'method not implemented', __FUNCTION__);
3676 }
3677
3678 // }}}
3679 // {{{ function getColumnNames()
3680
3694 function getColumnNames($flip = false)
3695 {
3696 if (!isset($this->column_names)) {
3697 $result = $this->_getColumnNames();
3698 if (PEAR::isError($result)) {
3699 return $result;
3700 }
3701 $this->column_names = $result;
3702 }
3703 if ($flip) {
3704 return array_flip($this->column_names);
3705 }
3706 return $this->column_names;
3707 }
3708
3709 // }}}
3710 // {{{ function _getColumnNames()
3711
3723 {
3724 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3725 'method not implemented', __FUNCTION__);
3726 }
3727
3728 // }}}
3729 // {{{ function numCols()
3730
3739 function numCols()
3740 {
3741 return $this->db->raiseError(MDB2_ERROR_UNSUPPORTED, null, null,
3742 'method not implemented', __FUNCTION__);
3743 }
3744
3745 // }}}
3746 // {{{ function getResource()
3747
3755 function getResource()
3756 {
3757 return $this->result;
3758 }
3759
3760 // }}}
3761 // {{{ function bindColumn($column, &$value, $type = null)
3762
3774 function bindColumn($column, &$value, $type = null)
3775 {
3776 if (!is_numeric($column)) {
3777 $column_names = $this->getColumnNames();
3778 if ($this->db->options['portability'] & MDB2_PORTABILITY_FIX_CASE) {
3779 if ($this->db->options['field_case'] == CASE_LOWER) {
3780 $column = strtolower($column);
3781 } else {
3782 $column = strtoupper($column);
3783 }
3784 }
3785 $column = $column_names[$column];
3786 }
3787 $this->values[$column] =& $value;
3788 if (!is_null($type)) {
3789 $this->types[$column] = $type;
3790 }
3791 return MDB2_OK;
3792 }
3793
3794 // }}}
3795 // {{{ function _assignBindColumns($row)
3796
3807 {
3808 $row = array_values($row);
3809 foreach ($row as $column => $value) {
3810 if (array_key_exists($column, $this->values)) {
3811 $this->values[$column] = $value;
3812 }
3813 }
3814 return MDB2_OK;
3815 }
3816
3817 // }}}
3818 // {{{ function free()
3819
3827 function free()
3828 {
3829 $this->result = false;
3830 return MDB2_OK;
3831 }
3832
3833 // }}}
3839 public function execute($a_data = null) {
3840 $res = $this->result->execute($a_data);
3841 if (MDB2::isError($res)) {
3842 throw new ilDatabaseException("There was an MDB2 error executing the prepared query: ".$this->result->getMessage());
3843 }
3844 return $res;
3845 }
3846}
3847
3848// }}}
3849// {{{ class MDB2_Row
3850
3859{
3860 // {{{ constructor: function __construct(&$row)
3861
3868 {
3869 foreach ($row as $key => $value) {
3870 $this->$key = &$row[$key];
3871 }
3872 }
3873
3874 // }}}
3875 // {{{ function MDB2_Row(&$row)
3876
3882 function MDB2_Row(&$row)
3883 {
3884 $this->__construct($row);
3885 }
3886
3887 // }}}
3888}
3889
3890// }}}
3891// {{{ class MDB2_Statement_Common
3892
3901{
3902 // {{{ Variables (Properties)
3903
3904 var $db;
3909 var $values = array();
3913
3914 // }}}
3915 // {{{ constructor: function __construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3916
3920 function __construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3921 {
3922 $this->db =& $db;
3923 $this->statement =& $statement;
3924 $this->positions = $positions;
3925 $this->query = $query;
3926 $this->types = (array)$types;
3927 $this->result_types = (array)$result_types;
3928 $this->limit = $limit;
3929 $this->is_manip = $is_manip;
3930 $this->offset = $offset;
3931 }
3932
3933 // }}}
3934 // {{{ function MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3935
3939 function MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip = false, $limit = null, $offset = null)
3940 {
3942 }
3943
3944 // }}}
3945 // {{{ function bindValue($parameter, &$value, $type = null)
3946
3960 function bindValue($parameter, $value, $type = null)
3961 {
3962 if (!is_numeric($parameter)) {
3963 $parameter = preg_replace('/^:(.*)$/', '\\1', $parameter);
3964 }
3965 if (!in_array($parameter, $this->positions)) {
3966 return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
3967 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
3968 }
3969 $this->values[$parameter] = $value;
3970 if (!is_null($type)) {
3971 $this->types[$parameter] = $type;
3972 }
3973 return MDB2_OK;
3974 }
3975
3976 // }}}
3977 // {{{ function bindValueArray($values, $types = null)
3978
3993 {
3994 $types = is_array($types) ? array_values($types) : array_fill(0, count($values), null);
3995 $parameters = array_keys($values);
3996 foreach ($parameters as $key => $parameter) {
3997 $err = $this->bindValue($parameter, $values[$parameter], $types[$key]);
3998 if (PEAR::isError($err)) {
3999 return $err;
4000 }
4001 }
4002 return MDB2_OK;
4003 }
4004
4005 // }}}
4006 // {{{ function bindParam($parameter, &$value, $type = null)
4007
4021 function bindParam($parameter, &$value, $type = null)
4022 {
4023 if (!is_numeric($parameter)) {
4024 $parameter = preg_replace('/^:(.*)$/', '\\1', $parameter);
4025 }
4026 if (!in_array($parameter, $this->positions)) {
4027 return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
4028 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
4029 }
4030 $this->values[$parameter] =& $value;
4031 if (!is_null($type)) {
4032 $this->types[$parameter] = $type;
4033 }
4034 return MDB2_OK;
4035 }
4036
4037 // }}}
4038 // {{{ function bindParamArray(&$values, $types = null)
4039
4053 function bindParamArray(&$values, $types = null)
4054 {
4055 $types = is_array($types) ? array_values($types) : array_fill(0, count($values), null);
4056 $parameters = array_keys($values);
4057 foreach ($parameters as $key => $parameter) {
4058 $err = $this->bindParam($parameter, $values[$parameter], $types[$key]);
4059 if (PEAR::isError($err)) {
4060 return $err;
4061 }
4062 }
4063 return MDB2_OK;
4064 }
4065
4066 // }}}
4067 // {{{ function &execute($values = null, $result_class = true, $result_wrap_class = false)
4068
4082 function &execute($values = null, $result_class = true, $result_wrap_class = false)
4083 {
4084 if (is_null($this->positions)) {
4085 return $this->db->raiseError(MDB2_ERROR, null, null,
4086 'Prepared statement has already been freed', __FUNCTION__);
4087 }
4088
4089 $values = (array)$values;
4090 if (!empty($values)) {
4091 $err = $this->bindValueArray($values);
4092 if (PEAR::isError($err)) {
4093 return $this->db->raiseError(MDB2_ERROR, null, null,
4094 'Binding Values failed with message: ' . $err->getMessage(), __FUNCTION__);
4095 }
4096 }
4097 $result =& $this->_execute($result_class, $result_wrap_class);
4098 return $result;
4099 }
4100
4101 // }}}
4102 // {{{ function &_execute($result_class = true, $result_wrap_class = false)
4103
4114 function &_execute($result_class = true, $result_wrap_class = false)
4115 {
4116 $this->last_query = $this->query;
4117 $query = '';
4118 $last_position = 0;
4119 foreach ($this->positions as $current_position => $parameter) {
4120 if (!array_key_exists($parameter, $this->values)) {
4121 return $this->db->raiseError(MDB2_ERROR_NOT_FOUND, null, null,
4122 'Unable to bind to missing placeholder: '.$parameter, __FUNCTION__);
4123 }
4124 $value = $this->values[$parameter];
4125 $query.= substr($this->query, $last_position, $current_position - $last_position);
4126 if (!isset($value)) {
4127 $value_quoted = 'NULL';
4128 } else {
4129 $type = !empty($this->types[$parameter]) ? $this->types[$parameter] : null;
4130 $value_quoted = $this->db->quote($value, $type);
4131 if (PEAR::isError($value_quoted)) {
4132 return $value_quoted;
4133 }
4134 }
4135 $query.= $value_quoted;
4136 $last_position = $current_position + 1;
4137 }
4138 $query.= substr($this->query, $last_position);
4139
4140 $this->db->offset = $this->offset;
4141 $this->db->limit = $this->limit;
4142 if ($this->is_manip) {
4143 $result = $this->db->exec($query);
4144 } else {
4145 $result =& $this->db->query($query, $this->result_types, $result_class, $result_wrap_class);
4146 }
4147 return $result;
4148 }
4149
4150 // }}}
4151 // {{{ function free()
4152
4160 function free()
4161 {
4162 if (is_null($this->positions)) {
4163 return $this->db->raiseError(MDB2_ERROR, null, null,
4164 'Prepared statement has already been freed', __FUNCTION__);
4165 }
4166
4167 $this->statement = null;
4168 $this->positions = null;
4169 $this->query = null;
4170 $this->types = null;
4171 $this->result_types = null;
4172 $this->limit = null;
4173 $this->is_manip = null;
4174 $this->offset = null;
4175 $this->values = null;
4176
4177 return MDB2_OK;
4178 }
4179
4180 // }}}
4181}
4182
4183// }}}
4184// {{{ class MDB2_Module_Common
4185
4194{
4195 // {{{ Variables (Properties)
4196
4205
4206 // }}}
4207 // {{{ constructor: function __construct($db_index)
4208
4213 {
4214 $this->db_index = $db_index;
4215 }
4216
4217 // }}}
4218 // {{{ function MDB2_Module_Common($db_index)
4219
4224 {
4225 $this->__construct($db_index);
4226 }
4227
4228 // }}}
4229 // {{{ function &getDBInstance()
4230
4238 function &getDBInstance()
4239 {
4240 if (isset($GLOBALS['_MDB2_databases'][$this->db_index])) {
4241 $result =& $GLOBALS['_MDB2_databases'][$this->db_index];
4242 } else {
4244 'could not find MDB2 instance');
4245 }
4246 return $result;
4247 }
4248
4249 // }}}
4250}
4251
4252// }}}
4253// {{{ function MDB2_closeOpenTransactions()
4254
4264{
4265 reset($GLOBALS['_MDB2_databases']);
4266 while (next($GLOBALS['_MDB2_databases'])) {
4267 $key = key($GLOBALS['_MDB2_databases']);
4268 if ($GLOBALS['_MDB2_databases'][$key]->opened_persistent
4269 && $GLOBALS['_MDB2_databases'][$key]->in_transaction
4270 ) {
4271 $GLOBALS['_MDB2_databases'][$key]->rollback();
4272 }
4273 }
4274}
4275
4276// }}}
4277// {{{ function MDB2_defaultDebugOutput(&$db, $scope, $message, $is_manip = null)
4278
4295function MDB2_defaultDebugOutput(&$db, $scope, $message, $context = array())
4296{
4297 $db->debug_output.= $scope.'('.$db->db_index.'): ';
4298 $db->debug_output.= $message.$db->getOption('log_line_break');
4299 return $message;
4300}
4301
4302// }}}
4303?>
sprintf('%.4f', $callTime)
$column
Definition: 39dropdown.php:62
$result
$error
Definition: Error.php:17
MDB2_defaultDebugOutput(&$db, $scope, $message, $context=array())
default debug output handler
Definition: MDB2.php:4295
const MDB2_ERROR_ACCESS_VIOLATION
Definition: MDB2.php:99
const MDB2_FETCHMODE_FLIPPED
For multi-dimensional results: normally the first level of arrays is the row number,...
Definition: MDB2.php:147
const MDB2_ERROR_UNSUPPORTED
Definition: MDB2.php:78
const MDB2_PORTABILITY_ALL
Portability: turn on all portability features.
Definition: MDB2.php:215
const MDB2_ERROR_NODBSELECTED
Definition: MDB2.php:86
const MDB2_PORTABILITY_RTRIM
Portability: right trim the data output by query*() and fetch*().
Definition: MDB2.php:169
const MDB2_ERROR_DEADLOCK
Definition: MDB2.php:102
const MDB2_ERROR_INVALID_DATE
Definition: MDB2.php:84
const MDB2_FETCHMODE_DEFAULT
This is a special constant that tells MDB2 the user hasn't specified any particular get mode,...
Definition: MDB2.php:124
const MDB2_ERROR_CANNOT_DELETE
Definition: MDB2.php:88
const MDB2_ERROR_INVALID
Definition: MDB2.php:80
const MDB2_ERROR_CONSTRAINT_NOT_NULL
Definition: MDB2.php:101
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:163
const MDB2_ERROR_MISMATCH
Definition: MDB2.php:79
const MDB2_ERROR_SYNTAX
Definition: MDB2.php:74
const MDB2_PORTABILITY_FIX_ASSOC_FIELD_NAMES
Portability: removes database/table qualifiers from associative indexes.
Definition: MDB2.php:209
const MDB2_ERROR_NOT_LOCKED
Definition: MDB2.php:93
const MDB2_ERROR_NOT_FOUND
Definition: MDB2.php:76
const MDB2_ERROR_VALUE_COUNT_ON_ROW
Definition: MDB2.php:94
const MDB2_ERROR_CANNOT_CREATE
Definition: MDB2.php:87
const MDB2_ERROR_INVALID_NUMBER
Definition: MDB2.php:83
const MDB2_ERROR_EXTENSION_NOT_FOUND
Definition: MDB2.php:97
const MDB2_ERROR_LOADMODULE
Definition: MDB2.php:106
const MDB2_ERROR_INVALID_DSN
Definition: MDB2.php:95
$GLOBALS['_MDB2_databases']
These are global variables that are used to track the various class instances.
Definition: MDB2.php:224
const MDB2_OK(!class_exists('PEAR'))
The method mapErrorCode in each MDB2_dbtype implementation maps native error codes to one of these.
Definition: MDB2.php:72
const MDB2_PREPARE_MANIP
These are just helper constants to more verbosely express parameters to prepare()
Definition: MDB2.php:114
const MDB2_ERROR_NOT_CAPABLE
Definition: MDB2.php:81
const MDB2_ERROR_ALREADY_EXISTS
Definition: MDB2.php:77
const MDB2_PORTABILITY_EMPTY_TO_NULL
Portability: convert empty values to null strings in data output by query*() and fetch*().
Definition: MDB2.php:203
const MDB2_ERROR_DIVZERO
Definition: MDB2.php:85
const MDB2_ERROR_CONSTRAINT
Definition: MDB2.php:75
const MDB2_FETCHMODE_OBJECT
Column data as object properties.
Definition: MDB2.php:139
const MDB2_FETCHMODE_ORDERED
Column data indexed by numbers, ordered from 0 and up.
Definition: MDB2.php:129
const MDB2_ERROR_NOSUCHFIELD
Definition: MDB2.php:91
const MDB2_ERROR_CANNOT_ALTER
Definition: MDB2.php:103
const MDB2_ERROR_TRUNCATED
Definition: MDB2.php:82
const MDB2_ERROR_NEED_MORE_DATA
Definition: MDB2.php:92
const MDB2_ERROR
Definition: MDB2.php:73
const MDB2_ERROR_NOSUCHTABLE
Definition: MDB2.php:90
const MDB2_ERROR_CONNECT_FAILED
Definition: MDB2.php:96
const MDB2_ERROR_NOSUCHDB
Definition: MDB2.php:98
const MDB2_ERROR_CANNOT_REPLACE
Definition: MDB2.php:100
MDB2_closeOpenTransactions()
Close any open transactions form persistent connections.
Definition: MDB2.php:4263
const MDB2_FETCHMODE_ASSOC
Column data indexed by column names.
Definition: MDB2.php:134
const MDB2_ERROR_CANNOT_DROP
Definition: MDB2.php:89
const PEAR_ERROR_RETURN
#+ ERROR constants
Definition: PEAR.php:31
$test
Definition: Utf8Test.php:84
while(false !==($line=fgets($in))) if(! $columns) $ignore
Definition: Utf8Test.php:63
An exception for terminatinating execution or to throw for unit testing.
disconnect($force=true)
Log out and disconnect from the database.
Definition: MDB2.php:2241
setTransactionIsolation($isolation, $options=array())
Set the transacton isolation level.
Definition: MDB2.php:2045
__call($method, $params)
Calls a module method using the __call magic method.
Definition: MDB2.php:1914
inTransaction($ignore_nested=false)
If a transaction is currently open.
Definition: MDB2.php:2018
getConnection()
Returns a native connection.
Definition: MDB2.php:1738
& standaloneQuery($query, $types=null, $is_manip=false)
execute a query as database administrator
Definition: MDB2.php:2365
subSelect($query, $type=false)
simple subselect emulation: leaves the query untouched for all RDBMS that support subselects
Definition: MDB2.php:2674
getNestedTransactionError()
The first error that occured since the transaction start.
Definition: MDB2.php:2191
queryAll($query, $types=null, $fetchmode=MDB2_FETCHMODE_DEFAULT, $rekey=false, $force_array=false, $group=false)
Execute the specified query, fetch all the rows of the result set into a two dimensional array and th...
Definition: MDB2.php:3308
resetWarnings()
reset the warning array
Definition: MDB2.php:1465
debug($message, $scope='', $context=array())
set a debug message
Definition: MDB2.php:1587
queryOne($query, $type=null, $colnum=0)
Execute the specified query, fetch the value from the first column of the first row of the result set...
Definition: MDB2.php:3208
getDatabase()
Get the current database.
Definition: MDB2.php:2283
escape($text, $escape_wildcards=false)
Quotes a string so it can be safely used in a query.
Definition: MDB2.php:1630
compareDefinition($current, $previous)
Obtain an array of changes that may need to applied.
Definition: MDB2.php:3062
completeNestedTransaction($force_rollback=false)
Finish a nested transaction by rolling back if an error occured or committing otherwise.
Definition: MDB2.php:2104
getSequenceName($sqn)
adds sequence name formatting to a sequence name
Definition: MDB2.php:3107
& query($query, $types=null, $result_class=true, $result_wrap_class=false)
Send a query to the database and return any results.
Definition: MDB2.php:2507
lastInsertID($table=null, $field=null)
Returns the autoincrement ID if supported or $id or fetches the current ID in a sequence called: $tab...
Definition: MDB2.php:3164
_affectedRows($connection, $result=null)
Returns the number of rows affected.
Definition: MDB2.php:2452
& _wrapResult($result, $types=array(), $result_class=true, $result_wrap_class=false, $limit=null, $offset=null)
wrap a result set into the correct class
Definition: MDB2.php:2546
& _doQuery($query, $is_manip=false, $connection=null, $database_name=null)
Execute a query.
Definition: MDB2.php:2424
replace($table, $fields)
Execute a SQL REPLACE query.
Definition: MDB2.php:2765
errorInfo($error=null)
This method is used to collect information about an error.
Definition: MDB2.php:1381
rollback($savepoint=null)
Cancel any database changes done during a transaction or since a specific savepoint that is in progre...
Definition: MDB2.php:1997
_modifyQuery($query, $is_manip, $limit, $offset)
Changes a query string for various DBMS specific reasons.
Definition: MDB2.php:2405
supports($feature)
Tell whether a DB implementation or its backend extension supports a given feature.
Definition: MDB2.php:3086
setCharset($charset, $connection=null)
Set the charset on the current connection.
Definition: MDB2.php:2221
currID($seq_name)
Returns the current id of a sequence.
Definition: MDB2.php:3182
__toString()
String conversation.
Definition: MDB2.php:1359
nextID($seq_name, $ondemand=true)
Returns the next free id of a sequence.
Definition: MDB2.php:3144
getDeclaration($type, $name, $field)
Obtain DBMS specific SQL code portion needed to declare of the given type.
Definition: MDB2.php:3040
beginNestedTransaction()
Start a nested transaction.
Definition: MDB2.php:2068
& loadModule($module, $property=null, $phptype_specific=null)
loads a module
Definition: MDB2.php:1845
getWarnings()
Get all warnings in reverse order.
Definition: MDB2.php:1482
setFetchMode($fetchmode, $object_class='stdClass')
Sets which fetch mode should be used by default on queries on this connection.
Definition: MDB2.php:1509
setOption($option, $value)
set the option for the db class
Definition: MDB2.php:1539
setDSN($dsn)
set the DSN
Definition: MDB2.php:2300
getServerVersion($native=false)
return version information about the server
Definition: MDB2.php:2617
queryRow($query, $types=null, $fetchmode=MDB2_FETCHMODE_DEFAULT)
Execute the specified query, fetch the values from the first row of the result set into an array and ...
Definition: MDB2.php:3239
setDatabase($name)
Select a different database.
Definition: MDB2.php:2265
setLimit($limit, $offset=null)
set the range of the next query
Definition: MDB2.php:2636
quoteIdentifier($str, $check_option=false)
Quote a string so it can be safely used as a table or column name.
Definition: MDB2.php:1705
queryCol($query, $type=null, $colnum=0)
Execute the specified query, fetch the value from the first column of each row of the result set into...
Definition: MDB2.php:3269
escapePattern($text)
Quotes pattern (% and _) characters in a string)
Definition: MDB2.php:1657
& exec($query)
Execute a manipulation query to the database and return the number of affected rows.
Definition: MDB2.php:2470
_skipDelimitedStrings($query, $position, $p_position)
Utility method, used by prepare() to avoid replacing placeholders within delimited strings.
Definition: MDB2.php:2968
quote($value, $type=null, $quote=true, $escape_wildcards=false)
Convert a text value into a DBMS specific format that is suitable to compose query statements.
Definition: MDB2.php:3014
commit($savepoint=null)
Commit the database changes done during a transaction that is in progress or release a savepoint.
Definition: MDB2.php:1976
& raiseError($code=null, $mode=null, $options=null, $userinfo=null, $method=null)
This method is used to communicate an error and invoke error callbacks etc.
Definition: MDB2.php:1412
MDB2_Driver_Common()
PHP 4 Constructor.
Definition: MDB2.php:1315
free()
Free the internal references so that the instance can be destroyed.
Definition: MDB2.php:1342
failNestedTransaction($error=null, $immediately=false)
Force setting nested transaction to failed.
Definition: MDB2.php:2161
getOption($option)
Returns the value of an option.
Definition: MDB2.php:1561
getDebugOutput()
output debug info
Definition: MDB2.php:1611
getIndexName($idx)
adds index name formatting to a index name
Definition: MDB2.php:3125
getAsKeyword()
Gets the string to alias column.
Definition: MDB2.php:1722
& prepare($query, $types=null, $result_types=null, $lobs=array())
Prepares a query for multiple execution with execute().
Definition: MDB2.php:2860
getDSN($type='string', $hidepw=false)
return the DSN as a string
Definition: MDB2.php:2325
__construct()
Constructor.
Definition: MDB2.php:1301
connect()
Connect to the database.
Definition: MDB2.php:2204
__destruct()
Destructor.
Definition: MDB2.php:1327
beginTransaction($savepoint=null)
Start a transaction or set a savepoint.
Definition: MDB2.php:1955
_fixResultArrayValues(&$row, $mode)
Do all necessary conversions on result arrays to fix DBMS quirks.
Definition: MDB2.php:1760
__construct($code=MDB2_ERROR, $mode=PEAR_ERROR_RETURN, $level=E_USER_NOTICE, $debuginfo=null)
MDB2_Error constructor.
Definition: MDB2.php:971
& getDBInstance()
Get the instance of MDB2 associated with the module instance.
Definition: MDB2.php:4238
__construct($db_index)
Constructor.
Definition: MDB2.php:4212
MDB2_Module_Common($db_index)
PHP 4 Constructor.
Definition: MDB2.php:4223
& fetchRow($fetchmode=MDB2_FETCHMODE_DEFAULT, $rownum=null)
Fetch and return a row of data.
Definition: MDB2.php:3478
execute($a_data=null)
Definition: MDB2.php:3839
fetchOne($colnum=0, $rownum=null)
fetch single column from the next row from a result set
Definition: MDB2.php:3498
__construct($db, $result, $limit=0, $offset=0)
Constructor.
Definition: MDB2.php:3368
getResource()
return the resource associated with the result object
Definition: MDB2.php:3755
rowCount()
Returns the actual row number that was last fetched (count from 0)
Definition: MDB2.php:3641
MDB2_Result_Common($db, $result, $limit=0, $offset=0)
PHP 4 Constructor.
Definition: MDB2.php:3397
bindColumn($column, &$value, $type=null)
Set bind variable to a column.
Definition: MDB2.php:3774
getColumnNames($flip=false)
Retrieve the names of columns returned by the DBMS in a query result or from the cache.
Definition: MDB2.php:3694
numRows()
Returns the number of rows in a result object.
Definition: MDB2.php:3656
nextResult()
Move the internal result pointer to the next available result.
Definition: MDB2.php:3672
setResultTypes($types)
Define the list of types to be associated with the columns of a given result set.
Definition: MDB2.php:3426
fetch($fetch_mode=ilDBConstants::FETCHMODE_ASSOC)
Definition: MDB2.php:3377
free()
Free the internal resources associated with result.
Definition: MDB2.php:3827
_assignBindColumns($row)
Bind a variable to a value in the result row.
Definition: MDB2.php:3806
_getColumnNames()
Retrieve the names of columns returned by the DBMS in a query result.
Definition: MDB2.php:3722
numCols()
Count the number of columns returned by the DBMS in a query result.
Definition: MDB2.php:3739
seek($rownum=0)
Seek to a specific row in a result set.
Definition: MDB2.php:3452
fetchAll($fetchmode=MDB2_FETCHMODE_DEFAULT, $rekey=false, $force_array=false, $group=false)
Fetch and return all rows from the current row pointer position.
Definition: MDB2.php:3570
fetchCol($colnum=0)
Fetch and return a column from the current row pointer position.
Definition: MDB2.php:3524
MDB2_Row(&$row)
PHP 4 Constructor.
Definition: MDB2.php:3882
__construct(&$row)
constructor
Definition: MDB2.php:3867
bindParamArray(&$values, $types=null)
Bind the variables of multiple a parameter of a prepared query in bulk.
Definition: MDB2.php:4053
bindValue($parameter, $value, $type=null)
Set the value of a parameter of a prepared query.
Definition: MDB2.php:3960
bindValueArray($values, $types=null)
Set the values of multiple a parameter of a prepared query in bulk.
Definition: MDB2.php:3992
& _execute($result_class=true, $result_wrap_class=false)
Execute a prepared query statement helper method.
Definition: MDB2.php:4114
& execute($values=null, $result_class=true, $result_wrap_class=false)
Execute a prepared query statement.
Definition: MDB2.php:4082
MDB2_Statement_Common(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip=false, $limit=null, $offset=null)
PHP 4 Constructor.
Definition: MDB2.php:3939
bindParam($parameter, &$value, $type=null)
Bind a variable to a parameter of a prepared query.
Definition: MDB2.php:4021
__construct(&$db, &$statement, $positions, $query, $types, $result_types, $is_manip=false, $limit=null, $offset=null)
Constructor.
Definition: MDB2.php:3920
free()
Release resources allocated for the specified prepared query.
Definition: MDB2.php:4160
isStatement($value)
Tell whether a value is a MDB2 statement interface.
Definition: MDB2.php:677
fileExists($file)
Checks if a file exists in the include path.
Definition: MDB2.php:926
isError($data, $code=null)
Tell whether a value is a MDB2 error.
Definition: MDB2.php:599
classExists($classname)
Checks if a class exists without triggering __autoload.
Definition: MDB2.php:309
isResultCommon($value)
Tell whether a value is a MDB2 result implementing the common interface.
Definition: MDB2.php:660
isResult($value)
Tell whether a value is a MDB2 result.
Definition: MDB2.php:643
isConnection($value)
Tell whether a value is a MDB2 connection.
Definition: MDB2.php:626
loadFile($file)
load a file (like 'Date')
Definition: MDB2.php:521
parseDSN($dsn)
Definition: MDB2.php:796
errorMessage($value=null)
Return a textual error message for a MDB2 error code.
Definition: MDB2.php:697
loadClass($class_name, $debug)
Loads a PEAR class.
Definition: MDB2.php:330
apiVersion()
Return the MDB2 API version.
Definition: MDB2.php:545
setOptions(&$db, $options)
set option array in an exiting database object
Definition: MDB2.php:284
& raiseError($code=null, $mode=null, $options=null, $userinfo=null)
This method is used to communicate an error and invoke error callbacks etc.
Definition: MDB2.php:577
& connect($dsn, $options=false)
Create a new MDB2 connection object and connect to the specified database.
Definition: MDB2.php:436
& factory($dsn, $options=false)
Create a new MDB2 object for the specified database type.
Definition: MDB2.php:379
& singleton($dsn=null, $options=false)
Returns a MDB2 connection with the requested DSN.
Definition: MDB2.php:486
$_default_error_mode
Definition: PEAR.php:120
isError($data, $code=null)
Tell whether a value is a PEAR error.
Definition: PEAR.php:280
$_default_error_options
Definition: PEAR.php:129
& raiseError($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:522
Class ilDatabaseException.
$text
$params
Definition: example_049.php:96
$code
Definition: example_050.php:99
$info
Definition: example_052.php:80
Interface ilDBStatement.
The main 'MDB2' class is simply a container class with some static methods for creating DB objects as...
$insert
if(!file_exists("$old.txt")) if( $old===$new) if(file_exists("$new.txt")) $file
if(!is_array($argv)) $options