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ISqlExpressionFactory.IsNotNull(SqlExpression) Metodo

  • Riferimento

Definizione

Spazio dei nomi:
Microsoft.EntityFrameworkCore.Query
Assembly:
Microsoft.EntityFrameworkCore.Relational.dll
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Pacchetto:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Crea un nuovo SqlUnaryExpression oggetto che rappresenta la disuguaglianza su Null.

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

Parametri

operand
SqlExpression

Oggetto SqlExpression da confrontare con non Null.

Restituisce

SqlUnaryExpression

Espressione che rappresenta un costrutto IS NOT NULL in un albero SQL.

Si applica a