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SqlNullabilityProcessor.VisitRowValue Metode

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Definisi

Ruang nama:
Microsoft.EntityFrameworkCore.Query
Rakitan:
Microsoft.EntityFrameworkCore.Relational.dll
Paket:
Microsoft.EntityFrameworkCore.Relational v8.0.0
Paket:
Microsoft.EntityFrameworkCore.Relational v9.0.0
Sumber:
SqlNullabilityProcessor.cs
Sumber:
SqlNullabilityProcessor.cs

RowValueExpression Mengunjungi dan menghitung nullability-nya.

protected virtual Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression VisitRowValue(Microsoft.EntityFrameworkCore.Query.SqlExpressions.RowValueExpression rowValueExpression, bool allowOptimizedExpansion, out bool nullable);
abstract member VisitRowValue : Microsoft.EntityFrameworkCore.Query.SqlExpressions.RowValueExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
override this.VisitRowValue : Microsoft.EntityFrameworkCore.Query.SqlExpressions.RowValueExpression * bool * bool -> Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression
Protected Overridable Function VisitRowValue (rowValueExpression As RowValueExpression, allowOptimizedExpansion As Boolean, ByRef nullable As Boolean) As SqlExpression

Parameter

rowValueExpression
RowValueExpression

Ekspresi nilai baris yang akan 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.

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