SqlExpressionFactory.IsNull(SqlExpression) 메서드

정의

네임스페이스:

Microsoft.EntityFrameworkCore.Query

어셈블리:

Microsoft.EntityFrameworkCore.Relational.dll

패키지:

Microsoft.EntityFrameworkCore.Relational v8.0.0

null과 같음을 나타내는 새 SqlUnaryExpression 를 만듭니다.

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression IsNull (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand);

abstract member IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression
override this.IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression

Public Overridable Function IsNull (operand As SqlExpression) As SqlUnaryExpression

매개 변수

operand

SqlExpression

SqlExpression null과 비교할 입니다.

반환

SqlUnaryExpression

SQL 트리의 IS NULL 구문을 나타내는 식입니다.

구현

IsNull(SqlExpression)