Refs #29548 -- Fixed GIS tests on MariaDB

django/contrib/gis/db/backends/mysql/introspection.py

@@ -29,9 +29,10 @@ class MySQLIntrospection(DatabaseIntrospection):
         return field_type, field_params
 
     def supports_spatial_index(self, cursor, table_name):
-        # Supported with MyISAM, or InnoDB on MySQL 5.7.5+
+        # Supported with MyISAM/Aria, or InnoDB on MySQL 5.7.5+/MariaDB 10.2.2+
         storage_engine = self.get_storage_engine(cursor, table_name)
-        return (
-            (storage_engine == 'InnoDB' and self.connection.mysql_version >= (5, 7, 5)) or
-            storage_engine == 'MyISAM'
+        if storage_engine == 'InnoDB':
+            return self.connection.mysql_version >= (
+                (10, 2, 2) if self.connection.mysql_is_mariadb else (5, 7, 5)
             )
+        return storage_engine in ('MyISAM', 'Aria')

django/contrib/gis/db/backends/mysql/operations.py

@@ -19,10 +19,6 @@ class MySQLOperations(BaseSpatialOperations, DatabaseOperations):
 
     Adapter = WKTAdapter
 
-    @cached_property
-    def is_mysql_5_6(self):
-        return self.connection.mysql_version < (5, 7, 6)
-
     @cached_property
     def select(self):
         return self.geom_func_prefix + 'AsBinary(%s)'
@@ -33,7 +29,9 @@ class MySQLOperations(BaseSpatialOperations, DatabaseOperations):
 
     @cached_property
     def gis_operators(self):
-        MBREquals = 'MBREqual' if self.is_mysql_5_6 else 'MBREquals'
+        MBREquals = 'MBREqual' if (
+            self.connection.mysql_is_mariadb or self.connection.mysql_version < (5, 7, 6)
+        ) else 'MBREquals'
         return {
             'bbcontains': SpatialOperator(func='MBRContains'),  # For consistency w/PostGIS API
             'bboverlaps': SpatialOperator(func='MBROverlaps'),  # ...
@@ -62,7 +60,11 @@ class MySQLOperations(BaseSpatialOperations, DatabaseOperations):
             'MemSize', 'Perimeter', 'PointOnSurface', 'Reverse', 'Scale',
             'SnapToGrid', 'Transform', 'Translate',
         }
-        if self.connection.mysql_version < (5, 7, 5):
+        if self.connection.mysql_is_mariadb:
+            unsupported.update({'GeoHash', 'IsValid'})
+            if self.connection.mysql_version < (10, 2, 4):
+                unsupported.add('AsGeoJSON')
+        elif self.connection.mysql_version < (5, 7, 5):
             unsupported.update({'AsGeoJSON', 'GeoHash', 'IsValid'})
         return unsupported
 

tests/gis_tests/inspectapp/tests.py

@@ -141,6 +141,8 @@ class OGRInspectTest(TestCase):
         else:
             self.assertIn('    f_decimal = models.DecimalField(max_digits=0, decimal_places=0)', model_def)
         self.assertIn('    f_int = models.IntegerField()', model_def)
+        if connection.vendor != 'mysql' or not connection.mysql_is_mariadb:
+            # Probably a bug between GDAL and MariaDB on time fields.
             self.assertIn('    f_datetime = models.DateTimeField()', model_def)
             self.assertIn('    f_time = models.TimeField()', model_def)
         if connection.vendor == 'sqlite':