数据库中sp_replflush怎么用

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EXEC sp_repldone @xactid = NULL, @xact_segno = NULL, @numtrans = 0,    @time = 0, @reset = 1

EXEC sp_repldone @xactid = NULL, @xact_segno = NULL, @numtrans = 0,    @time = 0, @reset = 0

exec sp_replflush 

with cte as (select replace(hostname, ,) as hostname ,+replace(program_name, ,)+ as program_name

, loginame, db_name(a.dbid) AS DBname,spid,blocked,waittime/1000 as waittime,a.status,a.lastwaittype,a.cmd

,Replace(substring(b.text,1,340),,) as sqlmessage,cpu

from sys.sysprocesses as a with(nolock)

cross apply sys.dm_exec_sql_text(sql_handle) as b

where a.blocked>0 and sql_handle<>0x0000000000000000000000000000000000000000

and waittime>2000 )

select replace(hostname, ,) as hostname ,+replace(program_name, ,)+ as program_name

, loginame, db_name(a.dbid) AS DBname,spid,blocked,waittime/1000 as waittime,a.status,a.lastwaittype,a.cmd

,Replace(substring(b.text,1,340),,) as sqlmessage,cpu

from sys.sysprocesses as a with(nolock)

cross apply sys.dm_exec_sql_text(sql_handle) as b

where exists(select blocked from cte where cte.blocked=a.spid)

and not exists (select spid from cte where cte.spid=a.spid)

union all

select * from cte

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