SqlNullabilityProcessor.VisitSqlUnary Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Query

Rakitan:

Microsoft.EntityFrameworkCore.Relational.dll

Paket:

Microsoft.EntityFrameworkCore.Relational v8.0.0

SqlUnaryExpression Mengunjungi dan menghitung nullabilitasnya.

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

Parameter

sqlUnaryExpression

SqlUnaryExpression

Ekspresi unary sql 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.