EntityQueryRootExpression Class

Reference

Definition

Namespace:: Microsoft.EntityFrameworkCore.Query

Assembly:: Microsoft.EntityFrameworkCore.dll

Package:: Microsoft.EntityFrameworkCore v7.0.0

Package:: Microsoft.EntityFrameworkCore v8.0.0

Package:: Microsoft.EntityFrameworkCore v9.0.0

Source:: EntityQueryRootExpression.cs

Source:: EntityQueryRootExpression.cs

Source:: EntityQueryRootExpression.cs

Important

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An expression that represents an entity query root in query expression.

This type is typically used by database providers (and other extensions). It is generally not used in application code.

public class EntityQueryRootExpression : Microsoft.EntityFrameworkCore.Query.QueryRootExpression

[System.Diagnostics.DebuggerDisplay("{Microsoft.EntityFrameworkCore.Query.ExpressionPrinter.Print(this), nq}")]
public class EntityQueryRootExpression : Microsoft.EntityFrameworkCore.Query.QueryRootExpression

type EntityQueryRootExpression = class
    inherit QueryRootExpression
    interface IPrintableExpression

[<System.Diagnostics.DebuggerDisplay("{Microsoft.EntityFrameworkCore.Query.ExpressionPrinter.Print(this), nq}")>]
type EntityQueryRootExpression = class
    inherit QueryRootExpression
    interface IPrintableExpression

Public Class EntityQueryRootExpression
Inherits QueryRootExpression

Inheritance: Expression

QueryRootExpression
EntityQueryRootExpression

Attributes: DebuggerDisplayAttribute

Implements: IPrintableExpression

Remarks

See Implementation of database providers and extensions and How EF Core queries work for more information and examples.

Constructors

EntityQueryRootExpression(IAsyncQueryProvider, IEntityType)	Creates a new instance of the EntityQueryRootExpression class with associated query provider.
EntityQueryRootExpression(IEntityType)	Creates a new instance of the EntityQueryRootExpression class without any query provider.

Properties

CanReduce	Indicates that the node can be reduced to a simpler node. If this returns true, Reduce() can be called to produce the reduced form.
ElementType	The element type represented by this query root. (Inherited from QueryRootExpression)
EntityType	The entity type represented by this query root.
NodeType	Gets the node type of this Expression.
QueryProvider	The query provider associated with this query root. (Inherited from QueryRootExpression)
Type	(Inherited from QueryRootExpression)

Methods

DetachQueryProvider()	Detaches the associated query provider from this query root expression.
Equals(Object)	System.Linq.Expressions.Expression.Equals(System.Object)
GetHashCode()	System.Linq.Expressions.Expression.GetHashCode
Print(ExpressionPrinter)	Creates a printable string representation of the given expression using ExpressionPrinter.
UpdateEntityType(IEntityType)	Updates entity type associated with this query root with equivalent optimized version.
VisitChildren(ExpressionVisitor)	Reduces the node and then calls the visitor delegate on the reduced expression. The method throws an exception if the node is not reducible.

Explicit Interface Implementations

IPrintableExpression.Print(ExpressionPrinter)

Creates a printable string representation of the given expression using ExpressionPrinter.

Applies to

Partilhar via