How to keep the original information of waiting document and submitted by.. after changing the user ID?

How to keep the original information of waiting document and submitted by.. after changing the user ID?

The steps: 1. Change the old user ID to new one. 2. In server side, go to C:\Program Files\CambridgeSoft\CSDocStore\Database\Change_LTA_User_Name 3. Run create_change_LTA_user.bat input the necessary information in the process. (Note: this script is executed only ONCE by the administrator.) 4. Run Call_SP_Change_LTA_User.bat input the necessary information in the process. (Note:this script can be executed many times if change user ID) 5. Login as the new user ID