yii\db\sqlite\QueryBuilder::dropIndex PHP Method

Builds a SQL statement for dropping an index.

public dropIndex ( string $name, string $table ) : string
$name	string	the name of the index to be dropped. The name will be properly quoted by the method.
$table	string	the table whose index is to be dropped. The name will be properly quoted by the method.
return	string	the SQL statement for dropping an index.

    public function dropIndex($name, $table)
    {
        return 'DROP INDEX ' . $this->db->quoteTableName($name);
    }

QueryBuilder