mirrors/django
1
0
Fork 0
mirror of https://github.com/django/django.git synced 2025-11-25 21:22:14 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions 4

Refs #30446 -- Defined default output_field of text database functions.

Browse source 
This prevented the default behavior of
BaseExpression._resolve_output_field from error'ing out when such
functions accepted both expressions from mixed types
(e.g. SubStr(CharField, IntegerField, IntegerField)).
This commit is contained in:
Simon Charette 2020-06-16 10:01:34 +02:00 • committed by Mariusz Felisiak
parent 0d6d4e78b1
commit ea3beb4f5a
6 changed files with 16 additions and 12 deletions
Download patch file Download diff file Expand all files Collapse all files

4
tests/db_functions/text/test_substr.py
View file

@ -1,4 +1,4 @@
from django.db.models import CharField, Value as V
from django.db.models import Value as V
from django.db.models.functions import Lower, StrIndex, Substr, Upper
from django.test import TestCase
@ -45,7 +45,7 @@ class SubstrTests(TestCase):
def test_expressions(self):
Author.objects.create(name='John Smith', alias='smithj')
Author.objects.create(name='Rhonda')
substr = Substr(Upper('name'), StrIndex('name', V('h')), 5, output_field=CharField())
substr = Substr(Upper('name'), StrIndex('name', V('h')), 5)
authors = Author.objects.annotate(name_part=substr)
self.assertQuerysetEqual(
authors.order_by('name'), ['HN SM', 'HONDA'],