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

重要

部分資訊涉及發行前產品，在發行之前可能會有大幅修改。 Microsoft 對此處提供的資訊，不做任何明確或隱含的瑕疵擔保。

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