SqlExpressionFactory.Convert Metodo

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Crea un nuovo SqlExpression oggetto che rappresenta il cast di un'espressione SQL in un tipo diverso.

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression Convert(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression Convert(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping typeMapping = default);

public virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression Convert(Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression operand, Type type, Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping? typeMapping = default);

abstract member Convert : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.Convert : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

abstract member Convert : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression
override this.Convert : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression * Type * Microsoft.EntityFrameworkCore.Storage.RelationalTypeMapping -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlUnaryExpression

Public Overridable Function Convert (operand As SqlExpression, type As Type, Optional typeMapping As RelationalTypeMapping = Nothing) As SqlExpression

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

Parametri

operand: SqlExpression

Oggetto SqlExpression da eseguire.

type: Type

Tipo restituito dell'espressione dopo il cast.

typeMapping: RelationalTypeMapping

Mapping dei tipi relazionali da utilizzare per la conversione.

Valori restituiti

SqlExpression

SqlUnaryExpression

Espressione che rappresenta l'operazione di cast in un albero SQL.

Implementazioni

Convert(SqlExpression, Type, RelationalTypeMapping)

Si applica a

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