在SQL Server下,是否有一种简单的方法来过滤sp_who2的输出?例如,假设我只想显示某个数据库的行。
当前回答
类似于KyleMit的答案,可以直接选择SP_WHO2使用的表,尽管我认为它只需要dbo。sysprocesses表。
如果有人打开这个SP,它可以理解它是做什么的。这是我的最佳选择,以获得与SP_WHO2类似的输出
select convert(char(5),sp.spid) as SPID
, CASE lower(sp.status)
When 'sleeping' Then lower(sp.status)
Else upper(sp.status)
END as Status
, convert(sysname, rtrim(sp.loginame)) as LOGIN
, CASE sp.hostname
When Null Then ' .'
When ' ' Then ' .'
Else rtrim(sp.hostname)
END as HostName
, CASE isnull(convert(char(5),sp.blocked),'0')
When '0' Then ' .'
Else isnull(convert(char(5),sp.blocked),'0')
END as BlkBy
, case when sp.dbid = 0 then null when sp.dbid <> 0 then db_name(sp.dbid) end as DBName
, sp.cmd as Command
, sp.cpu as CPUTime
, sp.physical_io as DiskIO
, sp.last_batch as LastBatch
, sp.program_name as ProgramName
from master.dbo.sysprocesses sp (nolock)
;
在这个选择中,您可以选择您需要的字段,并有您想要的顺序。
其他回答
第一个也是最好的答案的延伸…我已经在主数据库上创建了一个存储过程,然后可以将参数传递给..例如数据库的名称:
USE master
GO
CREATE PROCEDURE sp_who_db
(
@sDBName varchar(200) = null,
@sStatus varchar(200) = null,
@sCommand varchar(200) = null,
@nCPUTime int = null
)
AS
DECLARE @Table TABLE
(
SPID INT,
Status VARCHAR(MAX),
LOGIN VARCHAR(MAX),
HostName VARCHAR(MAX),
BlkBy VARCHAR(MAX),
DBName VARCHAR(MAX),
Command VARCHAR(MAX),
CPUTime INT,
DiskIO INT,
LastBatch VARCHAR(MAX),
ProgramName VARCHAR(MAX),
SPID_1 INT,
REQUESTID INT
)
INSERT INTO @Table EXEC sp_who2
SELECT *
FROM @Table
WHERE (@sDBName IS NULL OR DBName = @sDBName)
AND (@sStatus IS NULL OR Status = @sStatus)
AND (@sCommand IS NULL OR Command = @sCommand)
AND (@nCPUTime IS NULL OR CPUTime > @nCPUTime)
GO
我可以扩展它,添加一个按参数排序的参数,甚至是一个kill参数,这样它就会终止到特定数据的所有连接
对阿斯坦德的回答略有改进。我喜欢把我的标准放在最上面,让它更容易日复一日地重用:
DECLARE @Spid INT, @Status VARCHAR(MAX), @Login VARCHAR(MAX), @HostName VARCHAR(MAX), @BlkBy VARCHAR(MAX), @DBName VARCHAR(MAX), @Command VARCHAR(MAX), @CPUTime INT, @DiskIO INT, @LastBatch VARCHAR(MAX), @ProgramName VARCHAR(MAX), @SPID_1 INT, @REQUESTID INT
--SET @SPID = 10
--SET @Status = 'BACKGROUND'
--SET @LOGIN = 'sa'
--SET @HostName = 'MSSQL-1'
--SET @BlkBy = 0
--SET @DBName = 'master'
--SET @Command = 'SELECT INTO'
--SET @CPUTime = 1000
--SET @DiskIO = 1000
--SET @LastBatch = '10/24 10:00:00'
--SET @ProgramName = 'Microsoft SQL Server Management Studio - Query'
--SET @SPID_1 = 10
--SET @REQUESTID = 0
SET NOCOUNT ON
DECLARE @Table TABLE(
SPID INT,
Status VARCHAR(MAX),
LOGIN VARCHAR(MAX),
HostName VARCHAR(MAX),
BlkBy VARCHAR(MAX),
DBName VARCHAR(MAX),
Command VARCHAR(MAX),
CPUTime INT,
DiskIO INT,
LastBatch VARCHAR(MAX),
ProgramName VARCHAR(MAX),
SPID_1 INT,
REQUESTID INT
)
INSERT INTO @Table EXEC sp_who2
SET NOCOUNT OFF
SELECT *
FROM @Table
WHERE
(@Spid IS NULL OR SPID = @Spid)
AND (@Status IS NULL OR Status = @Status)
AND (@Login IS NULL OR Login = @Login)
AND (@HostName IS NULL OR HostName = @HostName)
AND (@BlkBy IS NULL OR BlkBy = @BlkBy)
AND (@DBName IS NULL OR DBName = @DBName)
AND (@Command IS NULL OR Command = @Command)
AND (@CPUTime IS NULL OR CPUTime >= @CPUTime)
AND (@DiskIO IS NULL OR DiskIO >= @DiskIO)
AND (@LastBatch IS NULL OR LastBatch >= @LastBatch)
AND (@ProgramName IS NULL OR ProgramName = @ProgramName)
AND (@SPID_1 IS NULL OR SPID_1 = @SPID_1)
AND (@REQUESTID IS NULL OR REQUESTID = @REQUESTID)
我写在这里是为了将来自己使用。它使用sp_who2并插入到表变量中,而不是temp表,因为如果不删除temp表,它就不能使用两次。 并显示阻塞和阻塞程序在同一行。
--blocked: waiting becaused blocked by blocker
--blocker: caused blocking
declare @sp_who2 table(
SPID int,
Status varchar(max),
Login varchar(max),
HostName varchar(max),
BlkBy varchar(max),
DBName varchar(max),
Command varchar(max),
CPUTime int,
DiskIO int,
LastBatch varchar(max),
ProgramName varchar(max),
SPID_2 int,
REQUESTID int
)
insert into @sp_who2 exec sp_who2
select w.SPID blocked_spid, w.BlkBy blocker_spid, tblocked.text blocked_text, tblocker.text blocker_text
from @sp_who2 w
inner join sys.sysprocesses pblocked on w.SPID = pblocked.spid
cross apply sys.dm_exec_sql_text(pblocked.sql_handle) tblocked
inner join sys.sysprocesses pblocker on case when w.BlkBy = ' .' then 0 else cast(w.BlkBy as int) end = pblocker.spid
cross apply sys.dm_exec_sql_text(pblocker.sql_handle) tblocker
where pblocked.Status = 'SUSPENDED'
有相当多好的sp_who3用户存储过程——我相信Adam Machanic做了一个非常好的存储过程,AFAIK。
亚当称之为“谁活跃”: http://whoisactive.com
基于http://web.archive.org/web/20080218124946/http://sqlserver2005.databases.aspfaq.com/how-do-i-mimic-sp-who2.html 我已经创建了以下脚本,它解决了使用DMV在sql 2005, 2008和2008R2下查找到任何数据库的活动连接
以下脚本使用sys. sys。Dm_exec_sessions, sys。Dm_exec_requests, sys。Dm_exec_connections, sys.dm_tran_locks
Declare @dbName varchar(1000)
set @dbName='abc'
;WITH DBConn(SPID,[Status],[Login],HostName,DBName,Command,LastBatch,ProgramName)
As
(
SELECT
SPID = s.session_id,
Status = UPPER(COALESCE
(
r.status,
ot.task_state,
s.status,
'')),
[Login] = s.login_name,
HostName = COALESCE
(
s.[host_name],
' .'
),
DBName = COALESCE
(
DB_NAME(COALESCE
(
r.database_id,
t.database_id
)),
''
),
Command = COALESCE
(
r.Command,
r.wait_type,
wt.wait_type,
r.last_wait_type,
''
),
LastBatch = COALESCE
(
r.start_time,
s.last_request_start_time
),
ProgramName = COALESCE
(
s.program_name,
''
)
FROM
sys.dm_exec_sessions s
LEFT OUTER JOIN
sys.dm_exec_requests r
ON
s.session_id = r.session_id
LEFT OUTER JOIN
sys.dm_exec_connections c
ON
s.session_id = c.session_id
LEFT OUTER JOIN
(
SELECT
request_session_id,
database_id = MAX(resource_database_id)
FROM
sys.dm_tran_locks
GROUP BY
request_session_id
) t
ON
s.session_id = t.request_session_id
LEFT OUTER JOIN
sys.dm_os_waiting_tasks wt
ON
s.session_id = wt.session_id
LEFT OUTER JOIN
sys.dm_os_tasks ot
ON
s.session_id = ot.session_id
LEFT OUTER JOIN
(
SELECT
ot.session_id,
CPU_Time = MAX(usermode_time)
FROM
sys.dm_os_tasks ot
INNER JOIN
sys.dm_os_workers ow
ON
ot.worker_address = ow.worker_address
INNER JOIN
sys.dm_os_threads oth
ON
ow.thread_address = oth.thread_address
GROUP BY
ot.session_id
) tt
ON
s.session_id = tt.session_id
WHERE
COALESCE
(
r.command,
r.wait_type,
wt.wait_type,
r.last_wait_type,
'a'
) >= COALESCE
(
'',
'a'
)
)
Select * from DBConn
where DBName like '%'+@dbName+'%'
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