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SelectExpression.PushdownIntoSubquery 方法

  • 參考

定義

命名空間:
Microsoft.EntityFrameworkCore.Query.SqlExpressions
組件:
Microsoft.EntityFrameworkCore.Relational.dll
套件:
Microsoft.EntityFrameworkCore.Relational v3.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v3.1.0
套件:
Microsoft.EntityFrameworkCore.Relational v5.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v6.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v7.0.0
套件:
Microsoft.EntityFrameworkCore.Relational v8.0.0

SelectExpression向下推送至子查詢。

public System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression,Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression> PushdownIntoSubquery ();
public void PushdownIntoSubquery ();
member this.PushdownIntoSubquery : unit -> System.Collections.Generic.IDictionary<Microsoft.EntityFrameworkCore.Query.SqlExpressions.SqlExpression, Microsoft.EntityFrameworkCore.Query.SqlExpressions.ColumnExpression>
member this.PushdownIntoSubquery : unit -> unit
Public Function PushdownIntoSubquery () As IDictionary(Of SqlExpression, ColumnExpression)
Public Sub PushdownIntoSubquery ()

傳回

IDictionary<SqlExpression,ColumnExpression>

下推到 ColumnExpression 下推後投影的對應。

適用於