diff -r django-original/db/backends/mysql/base.py django/db/backends/mysql/base.py
306a307,309
>     
>     def distinct_sql(self, fields):
>         return 'DISTINCT'
Binary files django-original/db/backends/mysql/base.pyc and django/db/backends/mysql/base.pyc differ
diff -r django-original/db/backends/mysql/compiler.py django/db/backends/mysql/compiler.py
3a4,5
>     distinct_via_group_by = []
>     
13a16,34
>     def get_distinct(self):
>         """MySQL DISTINCT for several fields.
>         Implementation in MySQL:
>         > SELECT `field1`, `field2`, ..., `fieldN` FROM `table` GROUP BY `field1`, `field2` ORDER BY NULL;
>         For a similar statement in PostgreSQL:
>         > SELECT DISTINCT ON(`field1`, `field2`) `field1`, `field2`, ..., `fieldN` FROM `table`;
>         """
>         distinct_fields = super(SQLCompiler, self).get_distinct()
>         self.distinct_via_group_by = []
>         for field in distinct_fields:
>             self.distinct_via_group_by.append(field)
>         # Suppression: NotImplementedError("annotate() + distinct(fields) not implemented.")
>         return [] if self.query.distinct_fields else None
> 
>     def get_grouping(self):
>         grouping, gb_params = super(SQLCompiler, self).get_grouping()
>         if self.distinct_via_group_by:
>             grouping = self.distinct_via_group_by + grouping
>         return grouping, gb_params
Binary files django-original/db/backends/mysql/compiler.pyc and django/db/backends/mysql/compiler.pyc differ
diff -r django-original/db/models/sql/compiler.py django/db/models/sql/compiler.py
90a91,93
>             distinct_sql = self.connection.ops.distinct_sql(distinct_fields)
>             if distinct_sql:
>                 result.append(distinct_sql)
Binary files django-original/db/models/sql/compiler.pyc and django/db/models/sql/compiler.pyc differ