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[release/9.0-staging] Fix to #35212 - Query/Perf: Compile identifier lambdas passed to PopulateIncludeCollection rather than inline #35217

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Merged
maumar merged 1 commit into from
Nov 27, 2024
Merged

[release/9.0-staging] Fix to #35212 - Query/Perf: Compile identifier lambdas passed to PopulateIncludeCollection rather than inline #35217

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131 changes: 117 additions & 14 deletions 131 ...uery/RelationalShapedQueryCompilingExpressionVisitor.ShaperProcessingExpressionVisitor.cs
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Original file line number Diff line number Diff line change
Expand Up @@ -24,6 +24,9 @@ public partial class RelationalShapedQueryCompilingExpressionVisitor
/// </summary>
public sealed partial class ShaperProcessingExpressionVisitor : ExpressionVisitor
{
private static readonly bool UseOldBehavior35212 =
AppContext.TryGetSwitch("Microsoft.EntityFrameworkCore.Issue35212", out var enabled35212) && enabled35212;

/// <summary>
/// Reading database values
/// </summary>
Expand Down Expand Up @@ -858,16 +861,46 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var parentIdentifierExpression = UseOldBehavior35212
? parentIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
parentIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
parentIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"parentIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

var outerIdentifierLambda = Lambda(
Visit(relationalCollectionShaperExpression.OuterIdentifier),
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var outerIdentifierExpression = UseOldBehavior35212
? outerIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
outerIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
outerIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"outerIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

var selfIdentifierLambda = Lambda(
Visit(relationalCollectionShaperExpression.SelfIdentifier),
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var selfIdentifierExpression = UseOldBehavior35212
? selfIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
selfIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
selfIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"selfIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

_inline = false;

_includeExpressions.Add(
Expand All @@ -878,8 +911,8 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
_dataReaderParameter,
_resultCoordinatorParameter,
entity,
parentIdentifierLambda,
outerIdentifierLambda,
parentIdentifierExpression,
outerIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
navigation,
LiftableConstantExpressionHelpers.BuildNavigationAccessLambda(navigation),
Expand Down Expand Up @@ -907,9 +940,9 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter,
_resultCoordinatorParameter,
parentIdentifierLambda,
outerIdentifierLambda,
selfIdentifierLambda,
parentIdentifierExpression,
outerIdentifierExpression,
selfIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
relationalCollectionShaperExpression.ParentIdentifierValueComparers
.Select(x => (Func<object, object, bool>)x.Equals).ToArray(),
Expand Down Expand Up @@ -982,6 +1015,16 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var parentIdentifierExpression = UseOldBehavior35212
? parentIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
parentIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
parentIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"parentIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

_inline = false;

innerProcessor._inline = true;
Expand All @@ -991,6 +1034,16 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
innerProcessor._dataReaderParameter);

var childIdentifierExpression = UseOldBehavior35212
? childIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
childIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
childIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"childIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

innerProcessor._inline = false;

_includeExpressions.Add(
Expand All @@ -1001,7 +1054,7 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
_dataReaderParameter,
_resultCoordinatorParameter,
entity,
parentIdentifierLambda,
parentIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
navigation,
LiftableConstantExpressionHelpers.BuildNavigationAccessLambda(navigation),
Expand Down Expand Up @@ -1031,7 +1084,7 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
CreateReaderColumnsExpression(readerColumns, _parentVisitor.Dependencies.LiftableConstantFactory),
Constant(_detailedErrorsEnabled),
_resultCoordinatorParameter,
childIdentifierLambda,
childIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
relationalSplitCollectionShaperExpression.IdentifierValueComparers
.Select(x => (Func<object, object, bool>)x.Equals).ToArray(),
Expand Down Expand Up @@ -1150,16 +1203,46 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var parentIdentifierExpression = UseOldBehavior35212
? parentIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
parentIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
parentIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"parentIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

var outerIdentifierLambda = Lambda(
Visit(relationalCollectionShaperExpression.OuterIdentifier),
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var outerIdentifierExpression = UseOldBehavior35212
? outerIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
outerIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
outerIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"outerIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

var selfIdentifierLambda = Lambda(
Visit(relationalCollectionShaperExpression.SelfIdentifier),
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var selfIdentifierExpression = UseOldBehavior35212
? selfIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
selfIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
selfIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"selfIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

_inline = false;

var collectionParameter = Parameter(relationalCollectionShaperExpression.Type);
Expand All @@ -1173,8 +1256,8 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter,
_resultCoordinatorParameter,
parentIdentifierLambda,
outerIdentifierLambda,
parentIdentifierExpression,
outerIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
collectionAccessor,
LiftableConstantExpressionHelpers.BuildClrCollectionAccessorLambda(navigation),
Expand All @@ -1195,9 +1278,9 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter,
_resultCoordinatorParameter,
parentIdentifierLambda,
outerIdentifierLambda,
selfIdentifierLambda,
parentIdentifierExpression,
outerIdentifierExpression,
selfIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
relationalCollectionShaperExpression.ParentIdentifierValueComparers
.Select(x => (Func<object, object, bool>)x.Equals).ToArray(),
Expand Down Expand Up @@ -1267,6 +1350,16 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter);

var parentIdentifierExpression = UseOldBehavior35212
? parentIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
parentIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
parentIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"parentIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

_inline = false;

innerProcessor._inline = true;
Expand All @@ -1276,6 +1369,16 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
innerProcessor._dataReaderParameter);

var childIdentifierExpression = UseOldBehavior35212
? childIdentifierLambda
: _parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
childIdentifierLambda.Compile(),
Lambda<Func<MaterializerLiftableConstantContext, object>>(
childIdentifierLambda,
Parameter(typeof(MaterializerLiftableConstantContext), "_")),
"childIdentifierLambda",
typeof(Func<QueryContext, DbDataReader, object[]>));

innerProcessor._inline = false;

var collectionParameter = Parameter(collectionType);
Expand All @@ -1290,7 +1393,7 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
QueryCompilationContext.QueryContextParameter,
_dataReaderParameter,
_resultCoordinatorParameter,
parentIdentifierLambda,
parentIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
collectionAccessor,
LiftableConstantExpressionHelpers.BuildClrCollectionAccessorLambda(navigation),
Expand All @@ -1315,7 +1418,7 @@ when GetProjectionIndex(collectionResultExpression.ProjectionBindingExpression)
CreateReaderColumnsExpression(readerColumns, _parentVisitor.Dependencies.LiftableConstantFactory),
Constant(_detailedErrorsEnabled),
_resultCoordinatorParameter,
childIdentifierLambda,
childIdentifierExpression,
_parentVisitor.Dependencies.LiftableConstantFactory.CreateLiftableConstant(
relationalSplitCollectionShaperExpression.IdentifierValueComparers
.Select(x => (Func<object, object, bool>)x.Equals).ToArray(),
Expand Down
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