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SqlNullabilityProcessor.VisitSqlUnary 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 SqlUnaryExpression calcula su nulabilidad.

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

Parámetros

sqlUnaryExpression
SqlUnaryExpression

Expresión unaria sql 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