/**
* insertに使用するprimary idを取得する
*
* ただし、mysqlの場合はauto_incrementの使用を想定して、nullを返す
*
* @param string $seq_name
* @param bool $ondemand
* @return int
*/
function nextId($seq_name = '', $ondemand = true)
{
if ($this->db->phptype === 'mysql') {
return null;
} else {
return $this->db->nextId($seq_name, $ondemand);
}
}
/**
* Returns the next free id in a sequence using the standard
* PEAR::Db / AdoDb method
*
* @param string $seq_name name of the sequence
* @param boolean $ondemand when true, the seqence is automatically
* created if it does not exist
*
* @return int the next id number in the sequence.
* A DB_Error object on failure.
*
* @see DB_common::nextID(), DB_common::getSequenceName(),
* DB_mysql::createSequence(), DB_mysql::dropSequence()
*/
function nextId_AdoDb($seq_name, $ondemand = true)
{
return parent::nextId($seq_name, $ondemand);
}
