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sys.sp_flush_commit_table_on_demand (Transact-SQL)

適用於:SQL Server

從批次中刪除數據列 syscommittab

Transact-SQL 語法慣例

語法

sp_flush_commit_table_on_demand
    [ @numrows = ] numrows
    , [ @deleted_rows = ] deleted_rows OUTPUT
    , [ @date_cleanedup = ] date_cleanedup OUTPUT
    , [ @cleanup_ts = ] cleanup_ts OUTPUT
[ ; ]

引數

[ @numrows = ] numrows

指定要從 syscommittab 刪除的數據列數目。 @numrows是 bigint,而且不能NULL

[ @deleted_rows = ] deleted_rows OUTPUT

@deleted_rows是 bigint 類型的 OUTPUT 參數。

[ @date_cleanedup = ] date_cleanedup OUTPUT

@date_cleanedup是 datetime 類型的 OUTPUT 參數。

[ @cleanup_ts = ] cleanup_ts OUTPUT

@cleanup_ts是 bigint 類型的 OUTPUT 參數。

傳回碼值

0 (成功) 或 1 (失敗)。

範例

DECLARE @deleted_rows BIGINT;
DECLARE @date_cleanedup DATETIME;
DECLARE @cleanup_ts BIGINT;

EXEC sys.sp_flush_commit_table_on_demand 3000,
    @deleted_rows = @deleted_rows OUTPUT,
    @date_cleanedup = @date_cleanedup OUTPUT,
    @cleanup_ts = @cleanup_ts OUTPUT;

PRINT CONCAT ('Number of rows deleted: ', @deleted_rows);
PRINT CONCAT ('Cleanup date: ', @date_cleanedup);
PRINT CONCAT ('Change tracking version: ', @cleanup_ts);
GO

結果集如下所示。

Started executing query at Line 1
The value returned by change_tracking_hardened_cleanup_version() is 17.
The value returned by safe_cleanup_version() is 17.
(0 rows affected)
Number of rows deleted: 100
Cleanup date: Aug 29 2022  8:59PM
Change tracking Version: 17
Total execution time: 00:00:02.008

備註

此程式必須在已啟用變更追蹤的資料庫中執行。

權限

只有系統管理員伺服器角色或db_owner資料庫角色的成員才能執行此程式。