User Management - Technician change from history

This report is to find who changed the technician on a request and how many technicians handled the request.

To make any changes to a query, refer to the KB article below.

https://pitstop.manageengine.com/support/manageengine/ShowHomePage.do#Solutions/dv/24000633501275

SELECT wo.WORKORDERID "Request ID",
       wo.TITLE "Subject",
       aau.FIRST_NAME "Requester",
       ti.FIRST_NAME "Technician",
       std.STATUSNAME "Request Status",
       pd.PRIORITYNAME "Priority",
       longtodate(wo.CREATEDTIME) "Created Time",
       aau1.FIRST_NAME PERFORMEDBY,
       LONGTODATE(OPERATIONTIME) OPERATIONTIME,
       au1.first_name "Changed From",
       au2.first_name "Changed To" FROM WorkOrder wo
LEFT JOIN SDUser sdu ON wo.REQUESTERID=sdu.USERID
LEFT JOIN AaaUser aau ON sdu.USERID=aau.USER_ID
LEFT JOIN WorkOrderStates wos ON wo.WORKORDERID=wos.WORKORDERID
LEFT JOIN SubCategoryDefinition scd ON wos.SUBCATEGORYID=scd.SUBCATEGORYID
LEFT JOIN CategoryDefinition cd ON wos.CATEGORYID=cd.CATEGORYID
LEFT JOIN SDUser td ON wos.OWNERID=td.USERID
LEFT JOIN AaaUser ti ON td.USERID=ti.USER_ID
LEFT JOIN PriorityDefinition pd ON wos.PRIORITYID=pd.PRIORITYID
LEFT JOIN StatusDefinition std ON wos.STATUSID=std.STATUSID
LEFT JOIN workorderhistory woh ON wo.workorderid=woh.workorderid
LEFT JOIN WorkOrderHistoryDiff wohd ON woh.HISTORYID = wohd.HISTORYID
LEFT JOIN AaaUser aau1 ON aau1.USER_ID = woh.OPERATIONOWNERID
LEFT JOIN aaauser au1 ON cast(cast(wohd.prev_value AS varchar) AS int)=au1.user_id
LEFT JOIN aaauser au2 ON cast(cast(wohd.current_value AS varchar) AS int)=au2.user_id
WHERE wohd.COLUMNNAME IN ('OWNERID')
  AND wo.CREATEDTIME >= <from_thisweek>
  AND wo.CREATEDTIME <= <to_thisweek>
ORDER BY 1