SET SESSION group_concat_max_len = 1000000;
SELECT 
  cast( 
  concat( 
   PCR_M.PCR_Year,
   '-',
   LPAD(PCR_M.PCR_Id,4,'0')
   ) as CHAR
  ) as PCR_Id, 
 PCR_M.PCR_Name, 
 PCR_M.PCR_SEV_Id as Severity, 
 (
  select 
   group_concat(I.ITM_Name separator ", ") 
  from 
   LINK_PCR_ITEM ITM 
  join ITEM I 
  where 
   I.ITM_Id=ITM.ITM_Id and ITM.PCR_Year=PCR_M.PCR_Year and ITM.PCR_Id=PCR_M.PCR_Id group by 'ITM_Id'
 ) as CSCI,
 ( 
  select group_concat( 
    "[Start][",
    (select USR_Name from USERS where PAN.PAN_Author=USR_Id),
    "] [",
    date_format(PAN.PAN_Modification_Date, "%Y%m%d %H:%i"),
    "]\r\n",
    PAN.PAN_Comment,
    "\r\n[End][",
    (select USR_Name from USERS where PAN.PAN_Author=USR_Id),
    "] [",
    date_format(PAN.PAN_Modification_Date, "%Y%m%d %H:%i"),
    "]"
    separator "\r\n\r\n" 
   ) 
   from PCR_ANALYSIS PAN 
  where (PCR_M.PCR_Id=PAN.PCR_Id and PCR_M.PCR_Year=PAN.PCR_Year)
 ) as Analysis,
 
 (
  select group_concat( 
    "[Start][",
    (select USR_Name from USERS where PCT.PCT_Author=USR_Id),
    "] [",
    date_format(PCT.PCT_Modification_Date, "%Y%m%d %H:%i"),
    "]\r\n",
    PCT.PCT_Comment,
    "\r\n[End][",
    (select USR_Name from USERS where PCT.PCT_Author=USR_Id),
    "] [",
    date_format(PCT.PCT_Modification_Date, "%Y%m%d %H:%i"),
    "]"
    separator "\r\n\r\n" 
   ) 
   from PCR_CORRECTIVE PCT 
  where (PCR_M.PCR_Id=PCT.PCR_Id and PCR_M.PCR_Year=PCT.PCR_Year)
 ) as Corrective
from PCR_MAIN PCR_M;
