KSOA单据保护表中Clientid解析为mac和ip

SELECT DISTINCT a.*,ISNULL(c.client_net_address,'') AS client_net_address
FROM (
      SELECT *
            ,RIGHT(UPPER(sys.fn_varbintohexstr(CONVERT(VARBINARY(4),CAST(SUBSTRING(clientid,1,3) AS INT)))),2)
            +RIGHT(UPPER(sys.fn_varbintohexstr(CONVERT(VARBINARY(4),CAST(SUBSTRING(clientid,4,3) AS INT)))),2) 
            +RIGHT(UPPER(sys.fn_varbintohexstr(CONVERT(VARBINARY(4),CAST(SUBSTRING(clientid,7,3) AS INT)))),2) 
            +RIGHT(UPPER(sys.fn_varbintohexstr(CONVERT(VARBINARY(4),CAST(SUBSTRING(clientid,10,3) AS INT)))),2) 
            +RIGHT(UPPER(sys.fn_varbintohexstr(CONVERT(VARBINARY(4),CAST(SUBSTRING(clientid,13,3) AS INT)))),2)
            +RIGHT(UPPER(sys.fn_varbintohexstr(CONVERT(VARBINARY(4),CAST(SUBSTRING(clientid,16,3) AS INT)))),2)  AS MAC
      FROM tmp_dj_baohu
      ) AS a
      LEFT JOIN sys.sysprocesses AS b ON a.MAC = b.net_address
      LEFT JOIN sys.dm_exec_connections AS c ON b.spid = c.session_id

标签：SUBSTRING,CONVERT,varbintohexstr,ip,Clientid,sys,mac,clientid,VARBINARY
来源： https://www.cnblogs.com/jijm123/p/10382274.html