Commit 4fd35925 authored by Malcolm Tredinnick's avatar Malcolm Tredinnick
Browse files

Modified [7760] to not include a "col is not NULL" fragment for non-nullable fields. 

This avoids any use of "pk is not NULL" fragment, which behave inconsistently
in MySQL. Thanks to Russell Keith-Magee for diagnosing the problem and
suggesting the easy fix.

Refs #7076.


git-svn-id: http://code.djangoproject.com/svn/django/trunk@7812 bcc190cf-cafb-0310-a4f2-bffc1f526a37
parent a75de3f3

django/db/models/sql/query.py

+1 −1
Original line number Diff line number Diff line
@@ -1131,7 +1131,7 @@ class Query(object): 
                            entry.negate()

                            self.where.add(entry, AND)

                            break

                elif not (lookup_type == 'in' and not value):

                elif not (lookup_type == 'in' and not value) and field.null:

                    # Leaky abstraction artifact: We have to specifically

                    # exclude the "foo__in=[]" case from this handling, because

                    # it's short-circuited in the Where class.