155 lines
3.7 KiB
PHP
155 lines
3.7 KiB
PHP
<?php
|
|
|
|
/*
|
|
V5.06 16 Oct 2008 (c) 2000-2008 John Lim (jlim#natsoft.com). All rights reserved.
|
|
Released under both BSD license and Lesser GPL library license.
|
|
Whenever there is any discrepancy between the two licenses,
|
|
the BSD license will take precedence.
|
|
Set tabs to 8.
|
|
|
|
MySQL code that supports transactions. For MySQL 3.23 or later.
|
|
Code from James Poon <jpoon88@yahoo.com>
|
|
|
|
Requires mysql client. Works on Windows and Unix.
|
|
*/
|
|
|
|
// security - hide paths
|
|
if (!defined('ADODB_DIR')) die();
|
|
|
|
include_once(ADODB_DIR."/drivers/adodb-mysql.inc.php");
|
|
|
|
|
|
class ADODB_mysqlt extends ADODB_mysql {
|
|
var $databaseType = 'mysqlt';
|
|
var $ansiOuter = true; // for Version 3.23.17 or later
|
|
var $hasTransactions = true;
|
|
var $autoRollback = true; // apparently mysql does not autorollback properly
|
|
|
|
function ADODB_mysqlt()
|
|
{
|
|
global $ADODB_EXTENSION; if ($ADODB_EXTENSION) $this->rsPrefix .= 'ext_';
|
|
}
|
|
|
|
/* set transaction mode
|
|
|
|
SET [GLOBAL | SESSION] TRANSACTION ISOLATION LEVEL
|
|
{ READ UNCOMMITTED | READ COMMITTED | REPEATABLE READ | SERIALIZABLE }
|
|
|
|
*/
|
|
function SetTransactionMode( $transaction_mode )
|
|
{
|
|
$this->_transmode = $transaction_mode;
|
|
if (empty($transaction_mode)) {
|
|
$this->Execute('SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ');
|
|
return;
|
|
}
|
|
if (!stristr($transaction_mode,'isolation')) $transaction_mode = 'ISOLATION LEVEL '.$transaction_mode;
|
|
$this->Execute("SET SESSION TRANSACTION ".$transaction_mode);
|
|
}
|
|
|
|
function BeginTrans()
|
|
{
|
|
if ($this->transOff) return true;
|
|
$this->transCnt += 1;
|
|
$this->Execute('SET AUTOCOMMIT=0');
|
|
$this->Execute('BEGIN');
|
|
return true;
|
|
}
|
|
|
|
function CommitTrans($ok=true)
|
|
{
|
|
if ($this->transOff) return true;
|
|
if (!$ok) return $this->RollbackTrans();
|
|
|
|
if ($this->transCnt) $this->transCnt -= 1;
|
|
$this->Execute('COMMIT');
|
|
$this->Execute('SET AUTOCOMMIT=1');
|
|
return true;
|
|
}
|
|
|
|
function RollbackTrans()
|
|
{
|
|
if ($this->transOff) return true;
|
|
if ($this->transCnt) $this->transCnt -= 1;
|
|
$this->Execute('ROLLBACK');
|
|
$this->Execute('SET AUTOCOMMIT=1');
|
|
return true;
|
|
}
|
|
|
|
function RowLock($tables,$where='',$flds='1 as adodb_ignore')
|
|
{
|
|
if ($this->transCnt==0) $this->BeginTrans();
|
|
if ($where) $where = ' where '.$where;
|
|
$rs = $this->Execute("select $flds from $tables $where for update");
|
|
return !empty($rs);
|
|
}
|
|
|
|
}
|
|
|
|
class ADORecordSet_mysqlt extends ADORecordSet_mysql{
|
|
var $databaseType = "mysqlt";
|
|
|
|
function ADORecordSet_mysqlt($queryID,$mode=false)
|
|
{
|
|
if ($mode === false) {
|
|
global $ADODB_FETCH_MODE;
|
|
$mode = $ADODB_FETCH_MODE;
|
|
}
|
|
|
|
switch ($mode)
|
|
{
|
|
case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break;
|
|
case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break;
|
|
|
|
case ADODB_FETCH_DEFAULT:
|
|
case ADODB_FETCH_BOTH:
|
|
default: $this->fetchMode = MYSQL_BOTH; break;
|
|
}
|
|
|
|
$this->adodbFetchMode = $mode;
|
|
$this->ADORecordSet($queryID);
|
|
}
|
|
|
|
function MoveNext()
|
|
{
|
|
if (@$this->fields = mysql_fetch_array($this->_queryID,$this->fetchMode)) {
|
|
$this->_currentRow += 1;
|
|
return true;
|
|
}
|
|
if (!$this->EOF) {
|
|
$this->_currentRow += 1;
|
|
$this->EOF = true;
|
|
}
|
|
return false;
|
|
}
|
|
}
|
|
|
|
class ADORecordSet_ext_mysqlt extends ADORecordSet_mysqlt {
|
|
|
|
function ADORecordSet_ext_mysqlt($queryID,$mode=false)
|
|
{
|
|
if ($mode === false) {
|
|
global $ADODB_FETCH_MODE;
|
|
$mode = $ADODB_FETCH_MODE;
|
|
}
|
|
switch ($mode)
|
|
{
|
|
case ADODB_FETCH_NUM: $this->fetchMode = MYSQL_NUM; break;
|
|
case ADODB_FETCH_ASSOC:$this->fetchMode = MYSQL_ASSOC; break;
|
|
|
|
case ADODB_FETCH_DEFAULT:
|
|
case ADODB_FETCH_BOTH:
|
|
default:
|
|
$this->fetchMode = MYSQL_BOTH; break;
|
|
}
|
|
$this->adodbFetchMode = $mode;
|
|
$this->ADORecordSet($queryID);
|
|
}
|
|
|
|
function MoveNext()
|
|
{
|
|
return adodb_movenext($this);
|
|
}
|
|
}
|
|
|
|
?>
|