SqlNullabilityProcessor.VisitCase(CaseExpression, Boolean, Boolean) Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Query

Rakitan:

Microsoft.EntityFrameworkCore.Relational.dll

Paket:

Microsoft.EntityFrameworkCore.Relational v9.0.0

Sumber:

SqlNullabilityProcessor.cs

CaseExpression Mengunjungi dan menghitung nullability-nya.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression VisitCase(Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression caseExpression, bool allowOptimizedExpansion, out bool nullable);

abstract member VisitCase : Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.VisitCase : Microsoft.EntityFrameworkCore.Query.SqlExpressions.CaseExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

Protected Overridable Function VisitCase (caseExpression As CaseExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression

Parameter

caseExpression

CaseExpression

Ekspresi kasus untuk dikunjungi.

allowOptimizedExpansion

Boolean

Nilai bool yang menunjukkan apakah ekspansi yang dioptimalkan yang mempertimbangkan nilai null sebagai nilai palsu diizinkan.

nullable

Boolean

Nilai bool yang menunjukkan apakah ekspresi sql dapat diubah ke null.

Mengembalikan

SqlExpression

Ekspresi sql yang dioptimalkan.