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SqlNullabilityProcessor.VisitScalarSubquery 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 ScalarSubqueryExpression calcula su nulabilidad.

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

Parámetros

scalarSubqueryExpression
ScalarSubqueryExpression

Expresión de subconsulta escalar 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