def get_indexes(self, table, schema=None):
        cursor = self.execute_sql('SHOW INDEX FROM `%s`' % table)
        unique = set()
        indexes = {}
        for row in cursor.fetchall():
            if not row[1]:
                unique.add(row[2])
            indexes.setdefault(row[2], [])
            indexes[row[2]].append(row[4])
        return [IndexMetadata(name, None, indexes[name], name != unique, table)
                for name in indexes]
dataset/ETHPy150Open coleifer/peewee/peewee.py/MySQLDatabase.get_indexes/operator `in` -> `!=`