def _split_schema_table(self, table_name):
    (schema, table) = (table_name.split('.') if ('.' in table_name) else (self.username, table_name))
    return (schema, table)
def _split_schema_table(self, table_name):
    (schema, table) = (table_name.split('.') if ('.' in table_name) else (self.username, table_name))
    return (schema, table)