id	summary	reporter	owner	description	type	status	component	version	severity	resolution	keywords	cc	stage	has_patch	needs_docs	needs_tests	needs_better_patch	easy	ui_ux
7111	Double negation in sql query fails on Oracle	Erin Kelly	Erin Kelly	"{{{
In [3]: qs = Item.objects.exclude(~Q(tags__name='t1', name='one'))

In [4]: qs.query.as_sql()
Out[4]:
('SELECT ""TEST_ITEM"".""ID"", ""TEST_ITEM"".""NAME"", ""TEST_ITEM"".""CREATED"", ""TEST_ITEM"".""CREATOR_ID"", ""TEST_ITEM"".""NOTE_ID"" FROM ""TEST_ITEM"" INNER JOIN ""TEST_NOTE"" ON (""TEST_ITEM"".""NOTE_ID"" = ""TEST_NOTE"".""ID"") WHERE NOT NOT (""TEST_ITEM"".""NAME"" = %s  AND ""TEST_ITEM"".""ID"" IN (SELECT ""TEST_ITEM_TAGS"".""ITEM_ID"" FROM ""TEST_ITEM_TAGS"" INNER JOIN ""TEST_TAG"" ON (""TEST_ITEM_TAGS"".""TAG_ID"" = ""TEST_TAG"".""ID"") WHERE ""TEST_TAG"".""NAME"" = %s )) ORDER BY ""TEST_NOTE"".""NOTE"" DESC, ""TEST_ITEM"".""NAME"" ASC',
 ('one', 't1'))
}}}
This causes an error in Oracle because the ""NOT NOT (condition)"" syntax in the where clause is invalid.  The syntax ""NOT (NOT (condition))"" would work."		closed	Database layer (models, ORM)	dev		fixed	oracle		Unreviewed	0	0	0	0	0	0