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

一种方法是创建一个临时表:

CREATE TABLE #sp_who2 
(
   SPID INT,  
   Status VARCHAR(1000) NULL,  
   Login SYSNAME NULL,  
   HostName SYSNAME NULL,  
   BlkBy SYSNAME NULL,  
   DBName SYSNAME NULL,  
   Command VARCHAR(1000) NULL,  
   CPUTime INT NULL,  
   DiskIO INT NULL,  
   LastBatch VARCHAR(1000) NULL,  
   ProgramName VARCHAR(1000) NULL,  
   SPID2 INT
) 
GO

INSERT INTO #sp_who2
EXEC sp_who2
GO

SELECT *
FROM #sp_who2
WHERE Login = 'bla'
GO

DROP TABLE #sp_who2
GO

其他回答

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+'%'

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

您可以将结果保存到临时表中,但是在master.dbo.sysprocesses上直接访问源代码会更好。

下面的查询将返回与sp_who2几乎完全相同的结果:

SELECT  spid,
        sp.[status],
        loginame [Login],
        hostname, 
        blocked BlkBy,
        sd.name DBName, 
        cmd Command,
        cpu CPUTime,
        physical_io DiskIO,
        last_batch LastBatch,
        [program_name] ProgramName   
FROM master.dbo.sysprocesses sp 
JOIN master.dbo.sysdatabases sd ON sp.dbid = sd.dbid
ORDER BY spid 

现在,您可以轻松添加任何ORDER BY或WHERE子句,以获得有意义的输出。


或者,您也可以考虑在SSMS中使用活动监视器(Ctrl + Alt + A)

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)

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。