def get_indexed_columns(self, engine, table_name):
indexed_columns = set()
for index in db_utils.get_indexes(engine, table_name):
for column_name in index['column_names']:
indexed_columns.add(column_name)
return indexed_columns
def get_indexed_columns(self, engine, table_name):
indexed_columns = set()
for index in db_utils.get_indexes(engine, table_name):
for column_name in index['column_names']:
indexed_columns.add(column_name)
return indexed_columns