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zYne 2007-01-05 23:44:10 +00:00
parent 61967bce15
commit 27e36c2e23
1 changed files with 55 additions and 1 deletions
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56
lib/Doctrine/Sequence/Oracle.php
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@ -32,5 +32,59 @@ Doctrine::autoload('Doctrine_Sequence');
*/
class Doctrine_Sequence_Oracle extends Doctrine_Sequence
{
/**
* 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)
{
$sequence_name = $this->quoteIdentifier($this->getSequenceName($seq_name), true);
$query = "SELECT $sequence_name.nextval FROM DUAL";
$this->expectError(MDB2_ERROR_NOSUCHTABLE);
$result = $this->queryOne($query, 'integer');
$this->popExpect();
if (PEAR::isError($result)) {
if ($ondemand && $result->getCode() == MDB2_ERROR_NOSUCHTABLE) {
$this->loadModule('Manager', null, true);
$result = $this->manager->createSequence($seq_name);
if (PEAR::isError($result)) {
return $result;
}
return $this->nextId($seq_name, false);
}
}
return $result;
}
/**
* Returns the autoincrement ID if supported or $id or fetches the current
* ID in a sequence called: $table.(empty($field) ? '' : '_'.$field)
*
* @param string name of the table into which a new row was inserted
* @param string name of the field into which a new row was inserted
*/
public function lastInsertID($table = null, $field = null)
{
$seq = $table.(empty($field) ? '' : '_'.$field);
$sequence_name = $this->quoteIdentifier($this->getSequenceName($seq), true);
return $this->queryOne("SELECT $sequence_name.currval", 'integer');
}
/**
* 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)
{
$sequence_name = $this->getSequenceName($seq_name);
$query = 'SELECT (last_number-1) FROM user_sequences';
$query.= ' WHERE sequence_name='.$this->quote($sequence_name, 'text');
$query.= ' OR sequence_name='.$this->quote(strtoupper($sequence_name), 'text');
return $this->queryOne($query, 'integer');
}
}