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SqlNullabilityProcessor.VisitDistinct Método

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Definición

Espacio de nombres:
Microsoft.EntityFrameworkCore.Query
Ensamblado:
Microsoft.EntityFrameworkCore.Relational.dll
Paquete:
Microsoft.EntityFrameworkCore.Relational v5.0.0
Paquete:
Microsoft.EntityFrameworkCore.Relational v6.0.0
Paquete:
Microsoft.EntityFrameworkCore.Relational v7.0.0
Paquete:
Microsoft.EntityFrameworkCore.Relational v8.0.0
Paquete:
Microsoft.EntityFrameworkCore.Relational v9.0.0
Source:
SqlNullabilityProcessor.cs
Source:
SqlNullabilityProcessor.cs
Source:
SqlNullabilityProcessor.cs
Source:
SqlNullabilityProcessor.cs
Source:
SqlNullabilityProcessor.cs

Visita y DistinctExpression calcula su nulabilidad.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression VisitDistinct(Microsoft.EntityFrameworkCore.Query.SqlExpressions.DistinctExpression distinctExpression, bool allowOptimizedExpansion, out bool nullable);
abstract member VisitDistinct : Microsoft.EntityFrameworkCore.Query.SqlExpressions.DistinctExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.VisitDistinct : Microsoft.EntityFrameworkCore.Query.SqlExpressions.DistinctExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Protected Overridable Function VisitDistinct (distinctExpression As DistinctExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression

Parámetros

distinctExpression
DistinctExpression

Expresión de intercalación que se va a visitar.

allowOptimizedExpansion
Boolean

Un valor bool que indica si se permite la expansión optimizada que considera el valor NULL como valor false.

nullable
Boolean

Valor bool que indica si la expresión sql acepta valores NULL.

Devoluciones

SqlExpression

Expresión sql optimizada.

Se aplica a