#29865: Add XOR for use in Q Queries
-------------------------------------+-------------------------------------
Reporter: spool | Owner: nobody
Type: New | Status: new
feature |
Component: Database | Version: 2.1
layer (models, ORM) |
Severity: Normal | Keywords: xor
Triage Stage: | Has patch: 0
Unreviewed |
Needs documentation: 0 | Needs tests: 0
Patch needs improvement: 0 | Easy pickings: 0
UI/UX: 0 |
-------------------------------------+-------------------------------------
XOR seems to be available in [https://www.postgresql.org/docs/8.4/static
/functions-math.html Postgresql], [https://dev.mysql.com/doc/refman/8.0/en
/logical-operators.html MySQL], [https://docs.microsoft.com/en-us/sql/mdx
/xor-mdx?view=sql-server-2017 SequelServer] and
[https://docs.oracle.com/cd/E17952_01/mysql-5.1-en/logical-operators.html
Oracle] but NOT [https://stackoverflow.com/questions/2294137/sqlite-
exclusive-or-how-do-i-clear-a-flag sqlite]. Two stackoverflow questions
cover this sort of thing: [https://stackoverflow.com/questions/50408142
/django-models-xor-at-the-model-level] and
[https://stackoverflow.com/questions/14711203/perform-a-logical-exclusive-
or-on-a-django-q-object].
I propose adding XOR to work with Q queries like the
[https://stackoverflow.com/a/21220712/678486 answer] to the second
question above. This will be my first time making a major contribution so
we'll see how this goes (apologies in advance if this is annoying!).
--
Ticket URL: <https://code.djangoproject.com/ticket/29865>
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