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Fixed #32166 -- Removed redundant definition of Greatest in test_expression_on_aggregation.
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@ -5,10 +5,10 @@ from decimal import Decimal
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from django.core.exceptions import FieldError
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from django.db import connection
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from django.db.models import (
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Avg, Case, Count, DecimalField, DurationField, Exists, F, FloatField, Func,
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Avg, Case, Count, DecimalField, DurationField, Exists, F, FloatField,
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IntegerField, Max, Min, OuterRef, Subquery, Sum, Value, When,
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)
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from django.db.models.functions import Coalesce
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from django.db.models.functions import Coalesce, Greatest
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from django.test import TestCase
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from django.test.testcases import skipUnlessDBFeature
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from django.test.utils import Approximate, CaptureQueriesContext
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@ -1102,14 +1102,6 @@ class AggregateTestCase(TestCase):
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{'books_per_rating__max': 3 + 5})
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def test_expression_on_aggregation(self):
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# Create a plain expression
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class Greatest(Func):
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function = 'GREATEST'
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def as_sqlite(self, compiler, connection, **extra_context):
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return super().as_sql(compiler, connection, function='MAX', **extra_context)
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qs = Publisher.objects.annotate(
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price_or_median=Greatest(Avg('book__rating', output_field=DecimalField()), Avg('book__price'))
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).filter(price_or_median__gte=F('num_awards')).order_by('num_awards')
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