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- from django.contrib.gis.db.backends.base.features import BaseSpatialFeatures
- from django.db.backends.mysql.features import (
- DatabaseFeatures as MySQLDatabaseFeatures,
- )
- from django.utils.functional import cached_property
-
-
- class DatabaseFeatures(BaseSpatialFeatures, MySQLDatabaseFeatures):
- has_spatialrefsys_table = False
- supports_add_srs_entry = False
- supports_distance_geodetic = False
- supports_length_geodetic = False
- supports_area_geodetic = False
- supports_transform = False
- supports_real_shape_operations = False
- supports_null_geometries = False
- supports_num_points_poly = False
-
- @cached_property
- def supports_empty_geometry_collection(self):
- return self.connection.mysql_version >= (5, 7, 5)
-
- @cached_property
- def supports_geometry_field_unique_index(self):
- # Not supported in MySQL since https://dev.mysql.com/worklog/task/?id=11808
- return self.connection.mysql_is_mariadb
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