// 查找所有开启会话的顾问，并用逗号分隔
SELECT  group_concat(opi_sn separator ',') as 'sn_list' FROM (
SELECT
  opi_sn,COUNT(*)
FROM whatsapp_session
  where opi_sn is not null and opi_sn not in (29,383,404,227)
  GROUP by opi_sn
) session_count
  
SELECT
  OPI_SN, OPI_Code,OPI_Name,OPI_DEI_SN,OPI_FirstName,OPI_RealName
FROM
  dbo.OperatorInfo
  where
  DeleteFlag = 0 and 
  OPI_SN in (162,31,32,33,34,599,600,353,352,350,351,35,606,495,293,525,114,587,585,519,522,476,354,451,216,143,586,539,370,512)
 
  
SELECT opi.OPI_Code,
  opi.OPI_Name, tpa.* FROM dbo.ThirdPlatformAccount_Bind tpa
  left join OperatorInfo opi
    on opi.opi_sn = tpa.TPA_OPI_SN
where opi.DeleteFlag = 0 

// 查找未分配顾问的会话

SELECT *
FROM whatsapp_session
WHERE opi_sn IS null