/**
* Do delete action, this method should be override by sub class.
*
* @param mixed $conditions Where conditions, you can use array or Compare object.
*
* @throws \Exception
* @return boolean Will be always true.
*/
protected function doDelete(array $conditions)
{
$query = $this->db->getQuery(true);
// Conditions.
QueryHelper::buildWheres($query, $conditions);
$query->delete($this->table);
$this->db->transactionStart(true);
try {
$result = (bool) $this->db->setQuery($query)->execute();
} catch (\Exception $e) {
$this->db->transactionRollback(true);
throw $e;
}
$this->db->transactionCommit(true);
return $result;
}
/**
* Method to roll back a transaction.
*
* @param boolean $toSavepoint If true, rollback to the last savepoint.
* @return self Returns this object to support chaining.
*
* @throws \RuntimeException
*/
public function transactionRollback($toSavepoint = false)
{
if (version_compare($this->cmsRelease, '3.2', '>=')) {
$this->_db->transactionRollback($toSavepoint);
} else {
if (!$toSavepoint || $this->transactionDepth <= 1) {
if ($this->query('ROLLBACK')) {
$this->transactionDepth = 0;
}
return $this;
}
$savepoint = 'SP_' . ($this->transactionDepth - 1);
if ($this->query('ROLLBACK TO SAVEPOINT ' . $this->nameQuote($savepoint))) {
$this->transactionDepth--;
}
}
return $this;
}
/**
* transactionRollback
*
* @param bool $asSavePoint
*
* @return $this
*/
public function transactionRollback($asSavePoint = false)
{
$this->db->transactionRollback($asSavePoint);
}
