ExistsExpression Class

Definition

Namespace:

Microsoft.EntityFrameworkCore.Query.SqlExpressions

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v8.0.0

An expression that represents an EXISTS operation in a SQL tree.

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

public class ExistsExpression : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

type ExistsExpression = class
    inherit SqlExpression

Public Class ExistsExpression
Inherits SqlExpression

Inheritance

Expression

SqlExpression

ExistsExpression

Constructors

ExistsExpression(SelectExpression, RelationalTypeMapping)

Creates a new instance of the ExistsExpression class.

Properties

NodeType	(Inherited from SqlExpression)
Subquery	The subquery to check existence of.
Type	(Inherited from SqlExpression)
TypeMapping	The RelationalTypeMapping associated with this expression. (Inherited from SqlExpression)

Methods

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.
Update(SelectExpression)	Creates a new expression that is like this one, but using the supplied children. If all of the children are the same, it will return this expression.
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. (Inherited from SqlExpression)