Idioma

ISqlExpressionFactory.IsNull(SqlExpression) Método

Definição

Namespace:
Microsoft.EntityFrameworkCore.Query
Assembly:
Microsoft.EntityFrameworkCore.Relational.dll
Pacote:
Microsoft.EntityFrameworkCore.Relational v10.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v11.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v8.0.0
Pacote:
Microsoft.EntityFrameworkCore.Relational v9.0.0
Origem:
ISqlExpressionFactory.cs
Origem:
ISqlExpressionFactory.cs
Origem:
ISqlExpressionFactory.cs
Origem:
ISqlExpressionFactory.cs
Origem:
ISqlExpressionFactory.cs

Cria um novo SqlExpression que representa igualdade para nulo.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression IsNull(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand);
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression IsNull(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand);
abstract member IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
abstract member IsNull : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression
Public Function IsNull (operand As SqlExpression) As SqlExpression
Public Function IsNull (operand As SqlExpression) As SqlUnaryExpression

Parâmetros

operand
SqlExpression

A SqlExpression para comparar com nulo.

Retornos

SqlExpression
SqlUnaryExpression

Uma expressão que representa a construção IS NULL em uma árvore SQL.

Aplica-se a