def _create_spatial_index_name(self, model, field):
        # Oracle doesn't allow object names > 30 characters. Use this scheme
        # instead of self._create_index_name() for backwards compatibility.
        return truncate_name('%s_%s_id' % (model._meta.db_table, field.column), 30)
dataset/ETHPy150Open django/django/django/contrib/gis/db/backends/oracle/schema.py/OracleGISSchemaEditor._create_spatial_index_name/original