SqlNullabilityProcessor.VisitCollate Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Query

Rakitan:

Microsoft.EntityFrameworkCore.Relational.dll

Paket:

Microsoft.EntityFrameworkCore.Relational v8.0.0

CollateExpression Mengunjungi dan menghitung nullabilitasnya.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression VisitCollate (Microsoft.EntityFrameworkCore.Query.SqlExpressions.CollateExpression collateExpression, bool allowOptimizedExpansion, out bool nullable);

abstract member VisitCollate : Microsoft.EntityFrameworkCore.Query.SqlExpressions.CollateExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.VisitCollate : Microsoft.EntityFrameworkCore.Query.SqlExpressions.CollateExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

Protected Overridable Function VisitCollate (collateExpression As CollateExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression

Parameter

collateExpression

CollateExpression

Ekspresi susun untuk dikunjungi.

allowOptimizedExpansion

Boolean

Nilai bool yang menunjukkan apakah ekspansi yang dioptimalkan yang menganggap 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.