ExistsExpression Class
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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
Exists |
Creates a new instance of the ExistsExpression class. |
Exists |
Creates a new instance of the ExistsExpression class. |
Is |
The value indicating if the existence check is negated. |
Node |
(Inherited from SqlExpression) |
Subquery |
The subquery for which to check for element existence. |
Type | (Inherited from SqlExpression) |
Type |
The RelationalTypeMapping associated with this expression. (Inherited from SqlExpression) |
Equals(Object) | System.Linq.Expressions.Expression.Equals(System.Object) |
Get |
System.Linq.Expressions.Expression.GetHashCode |
Print(Expression |
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(Select |
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. |
Visit |
Reduces the node and then calls the visitor delegate on the reduced expression. The method throws an exception if the node is not reducible. |
IPrintable |
Creates a printable string representation of the given expression using ExpressionPrinter. (Inherited from SqlExpression) |
Produkt | Versionen |
---|---|
Entity Framework Core | 3.0, 3.1, 5.0, 6.0, 7.0, 8.0, 9.0 |
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