Fixed #15624 -- Made sure aggregations are present in SELECT
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@ -319,7 +319,6 @@ class QuerySet(object):
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query.add_aggregate(aggregate_expr, self.model, alias,
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is_summary=True)
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aggregate_names.append(alias)
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query.append_aggregate_mask(aggregate_names)
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return query.get_aggregation(using=self.db)
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@ -321,6 +321,7 @@ class Query(object):
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# information but retrieves only the first row. Aggregate
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# over the subquery instead.
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if self.group_by is not None:
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from django.db.models.sql.subqueries import AggregateQuery
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query = AggregateQuery(self.model)
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@ -996,6 +997,8 @@ class Query(object):
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field_name = field_list[0]
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source = opts.get_field(field_name)
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col = field_name
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# We want to have the alias in SELECT clause even if mask is set.
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self.append_aggregate_mask([alias])
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# Add the aggregate to the query
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aggregate.add_to_query(self, alias, col=col, source=source, is_summary=is_summary)
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@ -250,6 +250,13 @@ class AggregationTests(TestCase):
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'price__max': Decimal("82.80")
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})
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# Regression for #15624 - Missing SELECT columns when using values, annotate
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# and aggregate in a single query
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self.assertEqual(
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Book.objects.annotate(c=Count('authors')).values('c').aggregate(Max('c')),
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{'c__max': 3}
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)
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def test_field_error(self):
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# Bad field requests in aggregates are caught and reported
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self.assertRaises(
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