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Fixed #35064 -- Fixed Window(order_by) crash with DecimalFields on SQLite.

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This avoids cast of Window(order_by) for DecimalFields on SQLite.

This was achieved by piggy-backing ExpressionList which already
implements a specialized as_sqlite() method to override the inherited
behaviour of Func through SQLiteNumericMixin.

Refs #31723.

Thanks Quoates for the report.
This commit is contained in:
Simon Charette 2023-12-29 01:03:54 -05:00 • committed by Mariusz Felisiak
parent 90d365d869
commit e16d0c176e
2 changed files with 27 additions and 16 deletions
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26
tests/expressions_window/tests.py
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@ -354,6 +354,29 @@ class WindowFunctionTests(TestCase):
transform=lambda row: (row.name, row.bonus, row.department, row.lag),
)
def test_order_by_decimalfield(self):
qs = Employee.objects.annotate(
rank=Window(expression=Rank(), order_by="bonus")
).order_by("-bonus", "id")
self.assertQuerySetEqual(
qs,
[
("Miller", 250.0, 12),
("Johnson", 200.0, 11),
("Wilkinson", 150.0, 10),
("Smith", 137.5, 9),
("Brown", 132.5, 8),
("Adams", 125.0, 7),
("Jones", 112.5, 5),
("Jenson", 112.5, 5),
("Johnson", 100.0, 4),
("Smith", 95.0, 3),
("Williams", 92.5, 2),
("Moore", 85.0, 1),
],
transform=lambda row: (row.name, float(row.bonus), row.rank),
)
def test_first_value(self):
qs = Employee.objects.annotate(
first_value=Window(
@ -1934,8 +1957,7 @@ class NonQueryWindowTests(SimpleTestCase):
)
self.assertEqual(
repr(Window(expression=Avg("salary"), order_by=F("department").asc())),
"<Window: Avg(F(salary)) OVER (OrderByList(OrderBy(F(department), "
"descending=False)))>",
"<Window: Avg(F(salary)) OVER (OrderBy(F(department), descending=False))>",
)
def test_window_frame_repr(self):