#34229: "no such column" when combining FilteredRelation and multi-table
inheritance models
-------------------------------------+-------------------------------------
Reporter: Javier Ayres | Owner: nobody
Type: Bug | Status: new
Component: Database layer | Version: 4.1
(models, ORM) |
Severity: Normal | Resolution:
Keywords: filteredrelation | Triage Stage: Accepted
such column |
Has patch: 0 | Needs documentation: 0
Needs tests: 0 | Patch needs improvement: 0
Easy pickings: 0 | UI/UX: 0
-------------------------------------+-------------------------------------
Changes (by Mariusz Felisiak):
* status: closed => new
* resolution: duplicate =>
* stage: Unreviewed => Accepted
Comment:
This case is more complicated so we decided to fix it separately, see a
regression test:
{{{#!diff
diff --git a/tests/filtered_relation/models.py
b/tests/filtered_relation/models.py
index d34a86305f..dcd0197447 100644
--- a/tests/filtered_relation/models.py
+++ b/tests/filtered_relation/models.py
@@ -44,6 +44,14 @@ class Borrower(models.Model):
name = models.CharField(max_length=50, unique=True)
+class Location(models.Model):
+ small = models.BooleanField(default=False)
+
+
+class Library(Location):
+ editors = models.ManyToManyField(Editor, related_name="libraries")
+
+
class Reservation(models.Model):
NEW = "new"
STOPPED = "stopped"
diff --git a/tests/filtered_relation/tests.py
b/tests/filtered_relation/tests.py
index ce75cb01f5..9d38593065 100644
--- a/tests/filtered_relation/tests.py
+++ b/tests/filtered_relation/tests.py
@@ -24,6 +24,7 @@ from .models import (
Currency,
Editor,
ExchangeRate,
+ Library,
RentalSession,
Reservation,
Seller,
@@ -825,6 +826,22 @@ class FilteredRelationAggregationTests(TestCase):
[self.book1],
)
+ def test_condition_spans_mti(self):
+ library = Library.objects.create(small=True)
+ library.editors.add(self.editor_a)
+ self.assertSequenceEqual(
+ Editor.objects.annotate(
+ small_libraries=FilteredRelation(
+ "libraries", condition=Q(libraries__small=True)
+ ),
+ )
+ .filter(
+ small_libraries__isnull=False,
+ )
+ .order_by("id"),
+ [self.editor_a],
+ )
+
class FilteredRelationAnalyticalAggregationTests(TestCase):
@classmethod
}}}
--
Ticket URL: <https://code.djangoproject.com/ticket/34229#comment:2>
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