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Closes dotnet#29427 Closes dotnet#30426 Closes dotnet#13617
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22 changes: 21 additions & 1 deletion
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src/EFCore.Relational/Properties/RelationalStrings.Designer.cs
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src/EFCore.Relational/Query/RelationalQueryRootProcessor.cs
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// Licensed to the .NET Foundation under one or more agreements. | ||
// The .NET Foundation licenses this file to you under the MIT license. | ||
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using Microsoft.EntityFrameworkCore.Query.Internal; | ||
using Microsoft.EntityFrameworkCore.Query.SqlExpressions; | ||
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namespace Microsoft.EntityFrameworkCore.Query; | ||
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/// <inheritdoc /> | ||
public class RelationalQueryRootProcessor : QueryRootProcessor | ||
{ | ||
private readonly IModel _model; | ||
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/// <summary> | ||
/// Creates a new instance of the <see cref="RelationalQueryRootProcessor" /> class. | ||
/// </summary> | ||
/// <param name="dependencies">Parameter object containing dependencies for this class.</param> | ||
/// <param name="relationalDependencies">Parameter object containing relational dependencies for this class.</param> | ||
/// <param name="queryCompilationContext">The query compilation context object to use.</param> | ||
public RelationalQueryRootProcessor( | ||
QueryTranslationPreprocessorDependencies dependencies, | ||
RelationalQueryTranslationPreprocessorDependencies relationalDependencies, | ||
QueryCompilationContext queryCompilationContext) | ||
: base(dependencies, queryCompilationContext) | ||
{ | ||
_model = queryCompilationContext.Model; | ||
} | ||
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/// <summary> | ||
/// Indicates that a <see cref="ConstantExpression" /> can be converted to a <see cref="InlineQueryRootExpression" />; | ||
/// this will later be translated to a SQL <see cref="ValuesExpression" />. | ||
/// </summary> | ||
protected override bool ShouldConvertToInlineQueryRoot(ConstantExpression constantExpression) | ||
=> true; | ||
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/// <inheritdoc /> | ||
protected override Expression VisitMethodCall(MethodCallExpression methodCallExpression) | ||
{ | ||
// Create query root node for table-valued functions | ||
if (_model.FindDbFunction(methodCallExpression.Method) is { IsScalar: false, StoreFunction: var storeFunction }) | ||
{ | ||
// See issue #19970 | ||
return new TableValuedFunctionQueryRootExpression( | ||
storeFunction.EntityTypeMappings.Single().EntityType, | ||
storeFunction, | ||
methodCallExpression.Arguments); | ||
} | ||
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return base.VisitMethodCall(methodCallExpression); | ||
} | ||
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/// <inheritdoc /> | ||
protected override Expression VisitExtension(Expression node) | ||
=> node switch | ||
{ | ||
// We skip FromSqlQueryRootExpression, since that contains the arguments as an object array parameter, and don't want to convert | ||
// that to a query root | ||
FromSqlQueryRootExpression e => e, | ||
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_ => base.VisitExtension(node) | ||
}; | ||
} |
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