ISqlExpressionFactory.IsNull(SqlExpression) Método

Definição

Namespace:

Microsoft.EntityFrameworkCore.Query

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Pacote:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Cria um novo SqlUnaryExpression que representa a igualdade para nulo.

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.SqlUnaryExpression

Public Function IsNull (operand As SqlExpression) As SqlUnaryExpression

Parâmetros

operand

SqlExpression

Um SqlExpression a ser comparado a nulo.

Retornos

SqlUnaryExpression

Uma expressão que representa o constructo IS NULL em uma árvore SQL.