UpdateAndSelectSqlGenerator.AppendSelectAffectedCommand 方法

定義

命名空間:

Microsoft.EntityFrameworkCore.Update

組件:

Microsoft.EntityFrameworkCore.Relational.dll

套件:

Microsoft.EntityFrameworkCore.Relational v8.0.0

附加 SQL 命令以選取受影響的資料。

protected virtual Microsoft.EntityFrameworkCore.Update.ResultSetMapping AppendSelectAffectedCommand (System.Text.StringBuilder commandStringBuilder, string name, string? schema, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Update.IColumnModification> readOperations, System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Update.IColumnModification> conditionOperations, int commandPosition);

abstract member AppendSelectAffectedCommand : System.Text.StringBuilder * string * string * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Update.IColumnModification> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Update.IColumnModification> * int -> Microsoft.EntityFrameworkCore.Update.ResultSetMapping
override this.AppendSelectAffectedCommand : System.Text.StringBuilder * string * string * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Update.IColumnModification> * System.Collections.Generic.IReadOnlyList<Microsoft.EntityFrameworkCore.Update.IColumnModification> * int -> Microsoft.EntityFrameworkCore.Update.ResultSetMapping

Protected Overridable Function AppendSelectAffectedCommand (commandStringBuilder As StringBuilder, name As String, schema As String, readOperations As IReadOnlyList(Of IColumnModification), conditionOperations As IReadOnlyList(Of IColumnModification), commandPosition As Integer) As ResultSetMapping

參數

commandStringBuilder

StringBuilder

應該附加 SQL 的產生器。

name

String

資料表的名稱。

schema

String

資料表架構，或使用 null 預設架構。

readOperations

IReadOnlyList<IColumnModification>

表示要讀取之資料的作業。

conditionOperations

IReadOnlyList<IColumnModification>

用來產生 WHERE select 子句的作業。

commandPosition

Int32

命令的序數，其中資料列會影響其傳回。

傳回

ResultSetMapping

ResultSetMapping此命令的 。