SqlNullabilityProcessor.VisitSqlFragment Metode

Definisi

Ruang nama:

Microsoft.EntityFrameworkCore.Query

Rakitan:

Microsoft.EntityFrameworkCore.Relational.dll

Paket:

Microsoft.EntityFrameworkCore.Relational v8.0.0

SqlFragmentExpression Mengunjungi dan menghitung nullability-nya.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression VisitSqlFragment (Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFragmentExpression sqlFragmentExpression, bool allowOptimizedExpansion, out bool nullable);

abstract member VisitSqlFragment : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFragmentExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.VisitSqlFragment : Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlFragmentExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression

Protected Overridable Function VisitSqlFragment (sqlFragmentExpression As SqlFragmentExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression

Parameter

sqlFragmentExpression

SqlFragmentExpression

Ekspresi fragmen sql 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.