forked from extern/egroupware
142 lines
3.2 KiB
PHP
142 lines
3.2 KiB
PHP
<?php
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/*
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V4.65 22 July 2005 (c) 2000-2005 John Lim (jlim@natsoft.com.my). All rights reserved.
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Released under both BSD license and Lesser GPL library license.
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Whenever there is any discrepancy between the two licenses,
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the BSD license will take precedence.
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Set tabs to 8.
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MySQL code that supports transactions. For MySQL 3.23 or later.
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Code from James Poon <jpoon88@yahoo.com>
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Requires mysql client. Works on Windows and Unix.
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*/
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// security - hide paths
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if (!defined('ADODB_DIR')) die();
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include_once(ADODB_DIR."/drivers/adodb-mysql.inc.php");
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class ADODB_mysqlt extends ADODB_mysql {
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var $databaseType = 'mysqlt';
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var $ansiOuter = true; // for Version 3.23.17 or later
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var $hasTransactions = true;
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var $autoRollback = true; // apparently mysql does not autorollback properly
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function ADODB_mysqlt()
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{
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global $ADODB_EXTENSION; if ($ADODB_EXTENSION) $this->rsPrefix .= 'ext_';
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}
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function BeginTrans()
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{
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if ($this->transOff) return true;
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$this->transCnt += 1;
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$this->Execute('SET AUTOCOMMIT=0');
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$this->Execute('BEGIN');
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return true;
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}
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function CommitTrans($ok=true)
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{
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if ($this->transOff) return true;
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if (!$ok) return $this->RollbackTrans();
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if ($this->transCnt) $this->transCnt -= 1;
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$this->Execute('COMMIT');
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$this->Execute('SET AUTOCOMMIT=1');
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return true;
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}
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function RollbackTrans()
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{
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if ($this->transOff) return true;
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if ($this->transCnt) $this->transCnt -= 1;
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$this->Execute('ROLLBACK');
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$this->Execute('SET AUTOCOMMIT=1');
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return true;
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}
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function RowLock($tables,$where,$flds='1 as ignored')
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{
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if ($this->transCnt==0) $this->BeginTrans();
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if (empty($where)) {
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$qry = "select $flds from $tables for update";
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} else {
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$qry = "select $flds from $tables where $where for update";
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}
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return $this->GetOne($qry);
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}
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}
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class ADORecordSet_mysqlt extends ADORecordSet_mysql{
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var $databaseType = "mysqlt";
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function ADORecordSet_mysqlt($queryID,$mode=false)
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{
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if ($mode === false) {
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global $ADODB_FETCH_MODE;
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$mode = $ADODB_FETCH_MODE;
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}
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switch ($mode)
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{
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case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break;
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case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break;
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case ADODB_FETCH_DEFAULT:
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case ADODB_FETCH_BOTH:
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default: $this->fetchMode = MYSQL_BOTH; break;
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}
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$this->adodbFetchMode = $mode;
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$this->ADORecordSet($queryID);
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}
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function MoveNext()
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{
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if (@$this->fields = mysql_fetch_array($this->_queryID,$this->fetchMode)) {
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$this->_currentRow += 1;
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return true;
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}
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if (!$this->EOF) {
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$this->_currentRow += 1;
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$this->EOF = true;
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}
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return false;
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}
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}
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class ADORecordSet_ext_mysqlt extends ADORecordSet_mysqlt {
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function ADORecordSet_ext_mysqlt($queryID,$mode=false)
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{
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if ($mode === false) {
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global $ADODB_FETCH_MODE;
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$mode = $ADODB_FETCH_MODE;
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}
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switch ($mode)
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{
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case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break;
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case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break;
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case ADODB_FETCH_DEFAULT:
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case ADODB_FETCH_BOTH:
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default:
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$this->fetchMode = MYSQL_BOTH; break;
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}
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$this->adodbFetchMode = $mode;
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$this->ADORecordSet($queryID);
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}
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function MoveNext()
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{
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return adodb_movenext($this);
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}
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}
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?>
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