sintonia/airtime_mvc/library/propel/runtime/lib/adapter/MSSQL/MssqlPropelPDO.php

133 lines
3.3 KiB
PHP

<?php
/**
* This file is part of the Propel package.
* For the full copyright and license information, please view the LICENSE
* file that was distributed with this source code.
*
* @license MIT License
*/
/**
* dblib doesn't support transactions so we need to add a workaround for transactions, last insert ID, and quoting
*
* @package propel.runtime.adapter.MSSQL
*/
class MssqlPropelPDO extends PropelPDO
{
/**
* Begin a transaction.
*
* It is necessary to override the abstract PDO transaction functions here, as
* the PDO driver for MSSQL does not support transactions.
*/
public function beginTransaction()
{
$return = true;
$opcount = $this->getNestedTransactionCount();
if ( $opcount === 0 ) {
$return = self::exec('BEGIN TRANSACTION');
if ($this->useDebug) {
$this->log('Begin transaction', null, __METHOD__);
}
$this->isUncommitable = false;
}
$this->nestedTransactionCount++;
return $return;
}
/**
* Commit a transaction.
*
* It is necessary to override the abstract PDO transaction functions here, as
* the PDO driver for MSSQL does not support transactions.
*/
public function commit()
{
$return = true;
$opcount = $this->getNestedTransactionCount();
if ($opcount > 0) {
if ($opcount === 1) {
if ($this->isUncommitable) {
throw new PropelException('Cannot commit because a nested transaction was rolled back');
} else {
$return = self::exec('COMMIT TRANSACTION');
if ($this->useDebug) {
$this->log('Commit transaction', null, __METHOD__);
}
}
}
$this->nestedTransactionCount--;
}
return $return;
}
/**
* Roll-back a transaction.
*
* It is necessary to override the abstract PDO transaction functions here, as
* the PDO driver for MSSQL does not support transactions.
*/
public function rollBack()
{
$return = true;
$opcount = $this->getNestedTransactionCount();
if ($opcount > 0) {
if ($opcount === 1) {
$return = self::exec('ROLLBACK TRANSACTION');
if ($this->useDebug) {
$this->log('Rollback transaction', null, __METHOD__);
}
} else {
$this->isUncommitable = true;
}
$this->nestedTransactionCount--;
}
return $return;
}
/**
* Rollback the whole transaction, even if this is a nested rollback
* and reset the nested transaction count to 0.
*
* It is necessary to override the abstract PDO transaction functions here, as
* the PDO driver for MSSQL does not support transactions.
*/
public function forceRollBack()
{
$return = true;
$opcount = $this->getNestedTransactionCount();
if ($opcount > 0) {
// If we're in a transaction, always roll it back
// regardless of nesting level.
$return = self::exec('ROLLBACK TRANSACTION');
// reset nested transaction count to 0 so that we don't
// try to commit (or rollback) the transaction outside this scope.
$this->nestedTransactionCount = 0;
if ($this->useDebug) {
$this->log('Rollback transaction', null, __METHOD__);
}
}
return $return;
}
public function lastInsertId($seqname = null)
{
$result = self::query('SELECT SCOPE_IDENTITY()');
return (int) $result->fetchColumn();
}
public function quoteIdentifier($text)
{
return '[' . $text . ']';
}
public function useQuoteIdentifier()
{
return true;
}
}