yii\sphinx\Connection::getIndexSchema PHP Method

Obtains the schema information for the named index.

public getIndexSchema ( string $name, boolean $refresh = false ) : IndexSchema
$name	string	index name.
$refresh	boolean	whether to reload the table schema even if it is found in the cache.
return	IndexSchema	index schema information. Null if the named index does not exist.

    public function getIndexSchema($name, $refresh = false)
    {
        return $this->getSchema()->getIndexSchema($name, $refresh);
    }

Connection