ISqlExpressionFactory.IsNotNull(SqlExpression) Metode

  • Referensi

Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Query
Rakitan:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v3.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v3.1.0
Paket:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v8.0.0

Membuat baru SqlUnaryExpression yang mewakili ketidaksamaan dengan 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

Parameter

operand
SqlExpression

SqlExpression untuk dibandingkan dengan non null.

Mengembalikan

SqlUnaryExpression

Ekspresi yang mewakili konstruksi IS NOT NULL di pohon SQL.

Berlaku untuk