Home | Classes | Modules | Annotated | Hierarchy | Functions | Files

PgSQLIdGenerator.php

Go to the documentation of this file.

<?php
/*
 *  $Id: PgSQLIdGenerator.php,v 1.5 2004/03/19 14:19:50 hlellelid Exp $
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the LGPL. For more information please see
 * <http://creole.phpdb.org>.
 */
 
require_once 'creole/IdGenerator.php';

class PgSQLIdGenerator implements IdGenerator {
    
    private $conn;

    public function __construct(Connection $conn)
    {
        $this->conn = $conn;
    }
    
    public function isBeforeInsert()
    {
        return true;
    }    
    
    public function isAfterInsert()
    {
        return false;
    }
        
    public function getIdMethod()
    {
        return self::SEQUENCE;
    }
    
    public function getId($name = null)
    {
        if ($name === null) {
            throw new SQLException("You must specify the sequence name when calling getId() method.");
        }
        $rs = $this->conn->executeQuery("select nextval('" . $name . "')", ResultSet::FETCHMODE_NUM);
        $rs->next();
        return $rs->getInt(1);
    }
    
}

---

This file is part of the Creole[php5] library.