Bagikan melalui

ISqlExpressionFactory.Constant 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

Overload

Constant(Object, RelationalTypeMapping)

Membuat baru SqlConstantExpression yang mewakili konstanta di pohon SQL.
Constant(Object, Type, RelationalTypeMapping)

Membuat baru SqlConstantExpression yang mewakili konstanta di pohon SQL.

Constant(Object, RelationalTypeMapping)

Membuat baru SqlConstantExpression yang mewakili konstanta di pohon SQL.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression Constant (object value, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);
public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression Constant (object? value, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Constant : obj * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression
Public Function Constant (value As Object, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlConstantExpression

Parameter

value
Object

Nilai.

typeMapping
RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlConstantExpression

Ekspresi yang mewakili konstanta di pohon SQL.

Berlaku untuk

Constant(Object, Type, RelationalTypeMapping)

Membuat baru SqlConstantExpression yang mewakili konstanta di pohon SQL.

public Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression Constant (object? value, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);
abstract member Constant : obj * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlConstantExpression
Public Function Constant (value As Object, type As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlConstantExpression

Parameter

value
Object

Nilai.

type
Type

Jenis untuk konstanta. Berguna ketika nilai null.

typeMapping
RelationalTypeMapping

Yang RelationalTypeMapping terkait dengan ekspresi.

Mengembalikan

SqlConstantExpression

Ekspresi yang mewakili konstanta di pohon SQL.

Berlaku untuk