70 lines
2.6 KiB
PHP
70 lines
2.6 KiB
PHP
<?php
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/*
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* $Id$
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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* A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
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* OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
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* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*
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* This software consists of voluntary contributions made by many individuals
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* and is licensed under the LGPL. For more information, see
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* <http://www.phpdoctrine.com>.
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*/
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Doctrine::autoload("Doctrine_Connection_Common");
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/**
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* Doctrine_Connection_Pgsql
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*
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* @package Doctrine ORM
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* @url www.phpdoctrine.com
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* @license LGPL
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*/
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class Doctrine_Connection_Pgsql extends Doctrine_Connection_Common {
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/**
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* @var string $driverName the name of this connection driver
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*/
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protected $driverName = 'Pgsql';
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/**
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* returns the next value in the given sequence
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* @param string $sequence
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* @return integer
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*/
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public function getNextID($sequence) {
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$stmt = $this->query("SELECT NEXTVAL('$sequence')");
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$data = $stmt->fetch(PDO::FETCH_NUM);
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return $data[0];
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}
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/**
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* Set the transacton isolation level.
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*
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* @param string standard isolation level
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* READ UNCOMMITTED (allows dirty reads)
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* READ COMMITTED (prevents dirty reads)
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* REPEATABLE READ (prevents nonrepeatable reads)
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* SERIALIZABLE (prevents phantom reads)
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* @return void
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*/
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function setTransactionIsolation($isolation) {
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switch ($isolation) {
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case 'READ UNCOMMITTED':
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case 'READ COMMITTED':
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case 'REPEATABLE READ':
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case 'SERIALIZABLE':
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break;
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throw new Doctrine_Connection_Pgsql_Exception('Isolation level '.$isolation.' is not supported.');
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}
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$query = 'SET SESSION CHARACTERISTICS AS TRANSACTION ISOLATION LEVEL ' . $isolation;
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return $this->dbh->query($query);
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}
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}
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