SqlExpressionFactory.MakeUnary Metodo

Definizione

Spazio dei nomi:

Microsoft.EntityFrameworkCore.Query

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Pacchetto:

Microsoft.EntityFrameworkCore.Relational v8.0.0

Crea un nuovo SqlUnaryExpression oggetto con gli argomenti specificati.

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

Parametri

operatorType

ExpressionType

Oggetto ExpressionType che rappresenta l'operatore unario SQL.

operand

SqlExpression

Oggetto SqlExpression su cui applicare l'operatore unario.

type

Type

Tipo dell'espressione creata.

typeMapping

RelationalTypeMapping

Mapping dei tipi da assegnare all'espressione creata.

Restituisce

SqlUnaryExpression

Oggetto SqlUnaryExpression con gli argomenti specificati.

Implementazioni

MakeUnary(ExpressionType, SqlExpression, Type, RelationalTypeMapping)