2

我的数据库有很多使用 Sql Server 复制的表的订阅者。

当我尝试删除参与已发布数据库订阅的数据库中的表或列时,数据库迁移失败。

这些订阅者检查他们的发布是否仍然有效,如果没有,他们会重新订阅。

我需要通过 T-SQL 从当前数据库中删除所有发布,因此当我自动执行数据库迁移时,会删除列或删除表,而不会导致迁移失败并且需要手动干预。

4

2 回答 2

4

要从服务器中删除所有事务发布,请在您连接的数据库上运行以下脚本:

declare @PublicationName varchar(max)
declare @ArticleName varchar(max)
declare @SubscriberServerName varchar(max)
declare @DestinationDb varchar(max)

IF OBJECT_ID('dbo.syspublications') is not null
BEGIN
      DECLARE db_cursor CURSOR FOR  
            select  
                   sp.name as PublicationName 
                   ,sa.name as TableName 
                  , UPPER(srv.srvname) as SubscriberServerName  
                  , dest_db as DestinationDb
                  from dbo.syspublications sp  
                  join dbo.sysarticles sa on sp.pubid = sa.pubid 
                  join dbo.syssubscriptions s on sa.artid = s.artid 
                  join master.dbo.sysservers srv on s.srvid = srv.srvid 

      OPEN db_cursor   
      FETCH NEXT FROM db_cursor INTO @PublicationName, @ArticleName, @SubscriberServerName, @DestinationDb

      WHILE @@FETCH_STATUS = 0   
      BEGIN   
            -- Dropping the transactional subscriptions
            exec sp_dropsubscription @publication = @PublicationName, @subscriber = @SubscriberServerName, @destination_db = @DestinationDb, @article = N'all'

            -- Dropping the transactional articles
            exec sp_dropsubscription @publication = @PublicationName, @article = @ArticleName, @subscriber = N'all', @destination_db = N'all'

            exec sp_droparticle @publication = @PublicationName, @article = @ArticleName, @force_invalidate_snapshot = 1

            -- Dropping the transactional publication
            exec sp_droppublication @publication = @PublicationName

            FETCH NEXT FROM db_cursor INTO @PublicationName, @ArticleName, @SubscriberServerName, @DestinationDb
      END   

      CLOSE db_cursor   
      DEALLOCATE db_cursor
END
于 2014-07-15T14:46:13.930 回答
0

在您希望清除复制对象 sp_removedbreplication http://technet.microsoft.com/en-us/library/ms188734%28v=sql.105%29.aspx的数据库上运行此过程

于 2014-07-16T08:41:24.087 回答