Source for file Mysql.php
Documentation is available at Mysql.php
* $Id: Mysql.php 1721 2007-06-17 17:49:13Z zYne $
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* 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, see
* <http://www.phpdoctrine.com>.
* Doctrine_Sequence_Mysql
* @author Konsta Vesterinen <kvesteri@cc.hut.fi>
* @license http://www.opensource.org/licenses/lgpl-license.php LGPL
* @category Object Relational Mapping
* @link www.phpdoctrine.com
* @version $Revision: 1721 $
* Returns the next free id of a sequence
* @param string $seqName name of the sequence
* @param bool when true missing sequences are automatic created
* @return integer next id in the given sequence
public function nextId($seqName, $onDemand =
true)
$sequenceName =
$this->conn->quoteIdentifier($this->conn->formatter->getSequenceName($seqName), true);
$seqcolName =
$this->conn->quoteIdentifier($this->conn->getAttribute(Doctrine::ATTR_SEQCOL_NAME), true);
$query =
'INSERT INTO ' .
$sequenceName .
' (' .
$seqcolName .
') VALUES (NULL)';
$this->conn->exec($query);
if ($onDemand &&
$e->getPortableCode() ==
Doctrine::ERR_NOSUCHTABLE) {
// Since we are creating the sequence on demand
// we know the first id = 1 so initialize the
$result =
$this->conn->export->createSequence($seqName, 2);
// First ID of a newly created sequence is 1
$query =
'DELETE FROM ' .
$sequenceName .
' WHERE ' .
$seqcolName .
' < ' .
$value;
$this->conn->exec($query);
TODO: is the following needed ?
if (PEAR::isError($result)) {
$this->warnings[] = 'nextID: could not delete previous sequence table values from '.$seq_name;
* Returns the autoincrement ID if supported or $id or fetches the current
* ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
* @param string name of the table into which a new row was inserted
* @param string name of the field into which a new row was inserted
* @return integer|boolean
return $this->conn->getDbh()->lastInsertId();
* Returns the current id of a sequence
* @param string $seqName name of the sequence
* @return integer current id in the given sequence
public function currId($seqName)
$sequenceName =
$this->conn->quoteIdentifier($this->conn->formatter->getSequenceName($seqName), true);
$seqcolName =
$this->conn->quoteIdentifier($this->conn->getAttribute(Doctrine::ATTR_SEQCOL_NAME), true);
$query =
'SELECT MAX(' .
$seqcolName .
') FROM ' .
$sequenceName;
return (int)
$this->conn->fetchOne($query);