ScalarSubqueryExpression Class

Some information relates to prerelease product that may be substantially modified before it’s released. Microsoft makes no warranties, express or implied, with respect to the information provided here.

An expression that represents projecting a scalar SQL value from a subquery.

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

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

type ScalarSubqueryExpression = class
    inherit SqlExpression

Public Class ScalarSubqueryExpression
Inherits SqlExpression

Inheritance: Expression

SqlExpression
ScalarSubqueryExpression

Constructors

ScalarSubqueryExpression(SelectExpression)

Creates a new instance of the ScalarSubqueryExpression class.

Properties

NodeType	(Inherited from SqlExpression)
Subquery	The subquery projecting single row with single scalar projection.
Type	(Inherited from SqlExpression)
TypeMapping	The RelationalTypeMapping associated with this expression. (Inherited from SqlExpression)

Methods

ApplyTypeMapping(RelationalTypeMapping)	Applies supplied type mapping to this 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.
Quote()	System.Linq.Expressions.Expression.Quote
Quote()	Quotes the expression; that is, returns an expression that, when evaluated, would construct an expression identical to this one. Used to generate code for precompiled queries, which reconstructs this expression. (Inherited from SqlExpression)
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)

Applies to

다음을 통해 공유