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Resolved Using the for-loop to process data from datawindow become very slow after we migrate from PB7 to PB2021
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  1. Pierce Liu
  2. PowerBuilder
  3. Friday, 21 October 2022 07:11 AM UTC

Dear Sir,

We just migrated our system from PB7 to PB2021.
However, we found those windows which using "For-Loop" script in datawindow", the processing time become very slow.
The PB2021 version is about 50 times slower than the PB7 Version.

We use Oracle as database and the only change that we did during the mirgration is to add connection profile's DBParmso we can deal with Nchar/Nvarchar columns.

I put our connction string and for-loop script below.

      // Profile User Connection
      SQLCA.DBMS = ProfileString("LOGIN.INI","Database","DBMS","")
      SQLCA.LogPass = ls_passwd
      SQLCA.ServerName = ProfileString("LOGIN.INI","Database","ServerName","")
      SQLCA.LogId = ls_user
      SQLCA.AutoCommit = False
      SQLCA.DBParm = "StaticBind=0,NCharBind=1"  

For Loop script is like

 for i = 1 to dw_2.rowcount()
  ls_yn  = dw_2.object.w_check[i]
  if ls_yn = 'Y' then
   dw_2.object.efrb_rpt_no[i] = dw_1.object.efrc_rpt_no[dw_1.getrow()]
   dw_2.object.efrb_stn_cd[i] = dw_1.object.efrc_stn_cd[dw_1.getrow()]
   dw_2.object.efrb_sfc_cd[i] = dw_1.object.efrc_sfc_cd[dw_1.getrow()]   
   dw_2.object.efrb_status_code[i] = '2'
  else
   dw_2.object.efrb_rpt_no[i] = ''
   dw_2.object.efrb_stn_cd[i] = ''
   dw_2.object.efrb_sfc_cd[i] = ''
   dw_2.object.efrb_status_code[i] = '1' 
  end if
 next

Do you have any suggestion? Thank you very much and looking forward to your reply.

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