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| author | Malcolm Tredinnick <malcolm.tredinnick@gmail.com> | 2008-12-10 05:19:27 +0000 |
|---|---|---|
| committer | Malcolm Tredinnick <malcolm.tredinnick@gmail.com> | 2008-12-10 05:19:27 +0000 |
| commit | a1cbeb9afbbf0f16e1ffa1891575fbc2c3edae74 (patch) | |
| tree | c5741e275b870b9d5decd0f5ab716497b9305a2c /django/db/models/sql/query.py | |
| parent | 7030ab9a72ea590b359c22644e45edaf05dd8b5c (diff) | |
If an SQL query doesn't specify any ordering, avoid the implicit sort
that happens with MySQL when a "GROUP BY" clause is included. This is a
backend-specific operation, so any other databases requiring similar
encouragement can have a function added to their own backend code.
git-svn-id: http://code.djangoproject.com/svn/django/trunk@9637 bcc190cf-cafb-0310-a4f2-bffc1f526a37
Diffstat (limited to 'django/db/models/sql/query.py')
| -rw-r--r-- | django/db/models/sql/query.py | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/django/db/models/sql/query.py b/django/db/models/sql/query.py index e30deee29b..8c5ef3355e 100644 --- a/django/db/models/sql/query.py +++ b/django/db/models/sql/query.py @@ -288,6 +288,8 @@ class BaseQuery(object): if self.group_by: grouping = self.get_grouping() result.append('GROUP BY %s' % ', '.join(grouping)) + if not ordering: + ordering = self.connection.ops.force_no_ordering() if self.having: having, h_params = self.get_having() |