SqlNullabilityProcessor.VisitScalarSubquery Méthode

Définition

Espace de noms:

Microsoft.EntityFrameworkCore.Query

Assembly:

Microsoft.EntityFrameworkCore.Relational.dll

Package:

Microsoft.EntityFrameworkCore.Relational v10.0.0

Source:

SqlNullabilityProcessor.cs

Visite un ScalarSubqueryExpression et calcule sa nullabilité.

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

Paramètres

scalarSubqueryExpression

ScalarSubqueryExpression

Expression de sous-requête scalaire à visiter.

allowOptimizedExpansion

Boolean

Valeur bool indiquant si l’expansion optimisée considère que la valeur null est autorisée.

nullable

Boolean

Valeur bool indiquant si l’expression sql est nullable.

Retours

SqlExpression

Expression sql optimisée.