| protected hasExplain ( ) : boolean | ||
| return | boolean | Whether the DB component has support for EXPLAIN queries |
protected function hasExplain()
{
$db = $this->getDb();
if (!$db instanceof \yii\db\Connection) {
return false;
}
switch ($db->getDriverName()) {
case 'mysql':
case 'sqlite':
case 'pgsql':
case 'cubrid':
return true;
default:
return false;
}
}