Fixed #23144 -- Dropped support for MySQL 5.0, 5.1.

django/db/backends/mysql/base.py

@@ -341,22 +341,6 @@ class DatabaseOperations(BaseDatabaseOperations):
         else:
             return []
 
-    def sequence_reset_by_name_sql(self, style, sequences):
-        # Truncate already resets the AUTO_INCREMENT field from
-        # MySQL version 5.0.13 onwards. Refs #16961.
-        if self.connection.mysql_version < (5, 0, 13):
-            return [
-                "%s %s %s %s %s;" % (
-                    style.SQL_KEYWORD('ALTER'),
-                    style.SQL_KEYWORD('TABLE'),
-                    style.SQL_TABLE(self.quote_name(sequence['table'])),
-                    style.SQL_KEYWORD('AUTO_INCREMENT'),
-                    style.SQL_FIELD('= 1'),
-                ) for sequence in sequences
-            ]
-        else:
-            return []
-
     def validate_autopk_value(self, value):
         # MySQLism: zero in AUTO_INCREMENT field does not work. Refs #17653.
         if value == 0:

docs/ref/contrib/gis/install/index.txt

@@ -62,7 +62,7 @@ supported versions, and any notes for each of the supported database backends:
 Database            Library Requirements            Supported Versions  Notes
 ==================  ==============================  ==================  =========================================
 PostgreSQL          GEOS, PROJ.4, PostGIS           9.0+                Requires PostGIS.
-MySQL               GEOS                            5.x                 Not OGC-compliant; :ref:`limited functionality <mysql-spatial-limitations>`.
+MySQL               GEOS                            5.5+                Not OGC-compliant; :ref:`limited functionality <mysql-spatial-limitations>`.
 Oracle              GEOS                            11.1+               XE not supported.
 SQLite              GEOS, GDAL, PROJ.4, SpatiaLite  3.6.+               Requires SpatiaLite 2.3+, pysqlite2 2.5+
 ==================  ==============================  ==================  =========================================

docs/ref/databases.txt

@@ -169,7 +169,7 @@ MySQL notes
 Version support
 ---------------
 
-Django supports MySQL 5.0.3 and higher.
+Django supports MySQL 5.5 and higher.
 
 Django's ``inspectdb`` feature uses the ``information_schema`` database, which
 contains detailed data on all database schemas.

docs/releases/1.8.txt

@@ -407,6 +407,13 @@ officially supports.
 This also includes dropping support for PostGIS 1.3 and 1.4 as these versions
 are not supported on versions of PostgreSQL later than 8.4.
 
+Support for MySQL versions older than 5.5
+~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
+
+The end of upstream support periods was reached in January 2012 for MySQL 5.0
+and December 2013 for MySQL 5.1. As a consequence, Django 1.8 sets 5.5 as the
+minimum MySQL version it officially supports.
+
 Support for Oracle versions older than 11.1
 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
 

tests/backends/tests.py

@@ -259,30 +259,6 @@ class PostgreSQLTests(TestCase):
             self.assertIn('::text', do.lookup_cast(lookup))
 
 
-@unittest.skipUnless(connection.vendor == 'mysql', "Test only for MySQL")
-class MySQLTests(TestCase):
-
-    def test_autoincrement(self):
-        """
-        Check that auto_increment fields are reset correctly by sql_flush().
-        Before MySQL version 5.0.13 TRUNCATE did not do auto_increment reset.
-        Refs #16961.
-        """
-        statements = connection.ops.sql_flush(no_style(),
-                                              tables=['test'],
-                                              sequences=[{
-                                                  'table': 'test',
-                                                  'col': 'somecol',
-                                              }])
-        found_reset = False
-        for sql in statements:
-            found_reset = found_reset or 'ALTER TABLE' in sql
-        if connection.mysql_version < (5, 0, 13):
-            self.assertTrue(found_reset)
-        else:
-            self.assertFalse(found_reset)
-
-
 class DateQuotingTest(TestCase):
 
     def test_django_date_trunc(self):