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SqlExpressionFactory.Exists 메서드

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정의

네임스페이스:
Microsoft.EntityFrameworkCore.Query
어셈블리:
Microsoft.EntityFrameworkCore.Relational.dll
패키지:
Microsoft.EntityFrameworkCore.Relational v8.0.0
패키지:
Microsoft.EntityFrameworkCore.Relational v9.0.0
패키지:
Microsoft.EntityFrameworkCore.Relational v3.0.0
패키지:
Microsoft.EntityFrameworkCore.Relational v3.1.0
패키지:
Microsoft.EntityFrameworkCore.Relational v5.0.0
패키지:
Microsoft.EntityFrameworkCore.Relational v6.0.0
패키지:
Microsoft.EntityFrameworkCore.Relational v7.0.0

오버로드

Exists(SelectExpression)

SQL 트리에서 EXISTS 작업을 나타내는 새 ExistsExpression 를 만듭니다.
Exists(SelectExpression, Boolean)

SQL 트리에서 EXISTS 작업을 나타내는 새 ExistsExpression 를 만듭니다.

Exists(SelectExpression)

Source:
SqlExpressionFactory.cs
Source:
SqlExpressionFactory.cs

SQL 트리에서 EXISTS 작업을 나타내는 새 ExistsExpression 를 만듭니다.

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression Exists (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression subquery);
public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression Exists (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression subquery);
abstract member Exists : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression
override this.Exists : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression
abstract member Exists : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.Exists : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Public Overridable Function Exists (subquery As SelectExpression) As ExistsExpression
Public Overridable Function Exists (subquery As SelectExpression) As SqlExpression

매개 변수

subquery
SelectExpression

검사 존재할 하위 쿼리입니다.

반환

ExistsExpression
SqlExpression

SQL 트리의 EXISTS 작업을 나타내는 식입니다.

구현

Exists(SelectExpression)

적용 대상

Exists(SelectExpression, Boolean)

Source:
SqlExpressionFactory.cs
Source:
SqlExpressionFactory.cs
Source:
SqlExpressionFactory.cs
Source:
SqlExpressionFactory.cs
Source:
SqlExpressionFactory.cs

SQL 트리에서 EXISTS 작업을 나타내는 새 ExistsExpression 를 만듭니다.

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression Exists (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression subquery, bool negated);
abstract member Exists : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression
override this.Exists : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SelectExpression * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.ExistsExpression
Public Overridable Function Exists (subquery As SelectExpression, negated As Boolean) As ExistsExpression

매개 변수

subquery
SelectExpression

검사 존재할 하위 쿼리입니다.

negated
Boolean

존재 검사 부정되는지 여부를 나타내는 값입니다.

반환

ExistsExpression

SQL 트리의 EXISTS 작업을 나타내는 식입니다.

구현

Exists(SelectExpression, Boolean)

적용 대상