SqlExpressionFactory.MakeUnary Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Query

Rakitan:

Microsoft.EntityFrameworkCore.Relational.dll

Paket:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Membuat baru SqlUnaryExpression dengan argumen yang diberikan.

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression? MakeUnary (System.Linq.Expressions.ExpressionType operatorType, Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);

abstract member MakeUnary : System.Linq.Expressions.ExpressionType * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression
override this.MakeUnary : System.Linq.Expressions.ExpressionType * Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression

Public Overridable Function MakeUnary (operatorType As ExpressionType, operand As SqlExpression, type As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlUnaryExpression

Parameter

operatorType

ExpressionType

Operator ExpressionType unary SQL yang mewakili.

operand

SqlExpression

untuk SqlExpression menerapkan operator unary.

type

Type

Jenis ekspresi yang dibuat.

typeMapping

RelationalTypeMapping

Pemetaan jenis yang akan ditetapkan ke ekspresi yang dibuat.

Mengembalikan

SqlUnaryExpression

A SqlUnaryExpression dengan argumen yang diberikan.

Penerapan

MakeUnary(ExpressionType, SqlExpression, Type, RelationalTypeMapping)