Fixed #33129 -- Dropped support for MariaDB 10.2.

6 files changed, 14 insertions, 17 deletions

diff --git a/django/contrib/gis/db/backends/mysql/introspection.py b/django/contrib/gis/db/backends/mysql/introspection.py
index 3dc4ae6488..7c1fb1ed84 100644
--- a/django/contrib/gis/db/backends/mysql/introspection.py
+++ b/django/contrib/gis/db/backends/mysql/introspection.py
@@ -29,10 +29,10 @@ class MySQLIntrospection(DatabaseIntrospection):
         return field_type, field_params
 
     def supports_spatial_index(self, cursor, table_name):
-        # Supported with MyISAM/Aria, or InnoDB on MySQL 5.7.5+/MariaDB 10.2.2+
+        # Supported with MyISAM/Aria, or InnoDB on MySQL 5.7.5+/MariaDB.
         storage_engine = self.get_storage_engine(cursor, table_name)
         if storage_engine == 'InnoDB':
-            return self.connection.mysql_version >= (
-                (10, 2, 2) if self.connection.mysql_is_mariadb else (5, 7, 5)
-            )
+            if self.connection.mysql_is_mariadb:
+                True
+            return self.connection.mysql_version >= (5, 7, 5)
         return storage_engine in ('MyISAM', 'Aria')
diff --git a/django/contrib/gis/db/backends/mysql/operations.py b/django/contrib/gis/db/backends/mysql/operations.py
index 3ca609f6c4..87ab371aa3 100644
--- a/django/contrib/gis/db/backends/mysql/operations.py
+++ b/django/contrib/gis/db/backends/mysql/operations.py
@@ -70,8 +70,6 @@ class MySQLOperations(BaseSpatialOperations, DatabaseOperations):
         if self.connection.mysql_is_mariadb:
             unsupported.remove('PointOnSurface')
             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
diff --git a/django/contrib/gis/db/backends/mysql/schema.py b/django/contrib/gis/db/backends/mysql/schema.py
index 679b2bcb8e..01c66c8083 100644
--- a/django/contrib/gis/db/backends/mysql/schema.py
+++ b/django/contrib/gis/db/backends/mysql/schema.py
@@ -16,8 +16,8 @@ class MySQLGISSchemaEditor(DatabaseSchemaEditor):
         self.geometry_sql = []
 
     def skip_default(self, field):
-        # Geometry fields are stored as BLOB/TEXT, for which MySQL < 8.0.13 and
-        # MariaDB < 10.2.1 don't support defaults.
+        # Geometry fields are stored as BLOB/TEXT, for which MySQL < 8.0.13
+        # doesn't support defaults.
         if isinstance(field, GeometryField) and not self._supports_limited_data_type_defaults:
             return True
         return super().skip_default(field)
diff --git a/django/db/backends/mysql/base.py b/django/db/backends/mysql/base.py
index 8b28a60485..d31594d584 100644
--- a/django/db/backends/mysql/base.py
+++ b/django/db/backends/mysql/base.py
@@ -132,8 +132,8 @@ class DatabaseWrapper(BaseDatabaseWrapper):
     }
 
     # For these data types:
-    # - MySQL < 8.0.13 and MariaDB < 10.2.1 don't accept default values and
-    #   implicitly treat them as nullable
+    # - MySQL < 8.0.13 doesn't accept default values and implicitly treats them
+    #   as nullable
     # - all versions of MySQL and MariaDB don't support full width database
     #   indexes
     _limited_data_types = (
diff --git a/django/db/backends/mysql/features.py b/django/db/backends/mysql/features.py
index b51025e358..3b1b23a585 100644
--- a/django/db/backends/mysql/features.py
+++ b/django/db/backends/mysql/features.py
@@ -184,7 +184,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     @cached_property
     def supports_column_check_constraints(self):
         if self.connection.mysql_is_mariadb:
-            return self.connection.mysql_version >= (10, 2, 1)
+            return True
         return self.connection.mysql_version >= (8, 0, 16)
 
     supports_table_check_constraints = property(operator.attrgetter('supports_column_check_constraints'))
@@ -193,7 +193,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     def can_introspect_check_constraints(self):
         if self.connection.mysql_is_mariadb:
             version = self.connection.mysql_version
-            return (version >= (10, 2, 22) and version < (10, 3)) or version >= (10, 3, 10)
+            return version >= (10, 3, 10)
         return self.connection.mysql_version >= (8, 0, 16)
 
     @cached_property
@@ -205,7 +205,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     @cached_property
     def has_select_for_update_nowait(self):
         if self.connection.mysql_is_mariadb:
-            return self.connection.mysql_version >= (10, 3, 0)
+            return True
         return self.connection.mysql_version >= (8, 0, 1)
 
     @cached_property
@@ -244,7 +244,7 @@ class DatabaseFeatures(BaseDatabaseFeatures):
     @cached_property
     def supports_json_field(self):
         if self.connection.mysql_is_mariadb:
-            return self.connection.mysql_version >= (10, 2, 7)
+            return True
         return self.connection.mysql_version >= (5, 7, 8)
 
     @cached_property
diff --git a/django/db/backends/mysql/schema.py b/django/db/backends/mysql/schema.py
index 6402bc7145..b45d3b8d98 100644
--- a/django/db/backends/mysql/schema.py
+++ b/django/db/backends/mysql/schema.py
@@ -77,10 +77,9 @@ class DatabaseSchemaEditor(BaseDatabaseSchemaEditor):
 
     @property
     def _supports_limited_data_type_defaults(self):
-        # MariaDB >= 10.2.1 and MySQL >= 8.0.13 supports defaults for BLOB
-        # and TEXT.
+        # MariaDB and MySQL >= 8.0.13 support defaults for BLOB and TEXT.
         if self.connection.mysql_is_mariadb:
-            return self.connection.mysql_version >= (10, 2, 1)
+            return True
         return self.connection.mysql_version >= (8, 0, 13)
 
     def _column_default_sql(self, field):