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Query: Translate GroupBy-Aggregate when using result selector #18415

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merged 2 commits into from
Oct 17, 2019
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Query: Translate GroupBy-Aggregate when using result selector #18415

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a0e90e5
Query: Translate GroupBy-Aggregate when using result selector
smitpatel Oct 17, 2019
83892dd
Update src/EFCore.InMemory/Query/Internal/InMemoryQueryableMethodTran…
smitpatel Oct 17, 2019
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6 changes: 1 addition & 5 deletions src/EFCore.InMemory/Query/Internal/InMemoryQueryableMethodTranslatingExpressionVisitor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -253,16 +253,12 @@ protected override ShapedQueryExpression TranslateGroupBy(ShapedQueryExpression
return source;
}

var keyAccessExpression = Expression.MakeMemberAccess(
source.ShaperExpression,
source.ShaperExpression.Type.GetTypeInfo().GetMember(nameof(IGrouping<int, int>.Key))[0]);

var original1 = resultSelector.Parameters[0];
var original2 = resultSelector.Parameters[1];

var newResultSelectorBody = new ReplacingExpressionVisitor(
new Dictionary<Expression, Expression> {
{ original1, keyAccessExpression },
{ original1, ((GroupByShaperExpression)source.ShaperExpression).KeySelector },
{ original2, source.ShaperExpression }
}).Visit(resultSelector.Body);

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6 changes: 1 addition & 5 deletions src/EFCore.Relational/Query/RelationalQueryableMethodTranslatingExpressionVisitor.cs
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Expand Up @@ -316,17 +316,13 @@ protected override ShapedQueryExpression TranslateGroupBy(
return source;
}

var keyAccessExpression = Expression.MakeMemberAccess(
source.ShaperExpression,
source.ShaperExpression.Type.GetTypeInfo().GetMember(nameof(IGrouping<int, int>.Key))[0]);

var original1 = resultSelector.Parameters[0];
var original2 = resultSelector.Parameters[1];

var newResultSelectorBody = new ReplacingExpressionVisitor(
new Dictionary<Expression, Expression>
{
{ original1, keyAccessExpression }, { original2, source.ShaperExpression }
{ original1, translatedKey }, { original2, source.ShaperExpression }
})
.Visit(resultSelector.Body);

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2 changes: 1 addition & 1 deletion test/EFCore.Specification.Tests/Query/GearsOfWarQueryTestBase.cs
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Expand Up @@ -7802,7 +7802,7 @@ from g in ss.Set<Gear>()
elementSorter: e => (e.Name, e.Count, e.Sum));
}

[ConditionalTheory(Skip = "issue #18267")]
[ConditionalTheory]
[MemberData(nameof(IsAsyncData))]
public virtual Task Complex_GroupBy_after_set_operator_using_result_selector(bool isAsync)
{
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