Creating Another View for TDSLS4100m000

[showstuff11]

how can i overwrite via extension the data shown in tdsls4100m000
using this sql

select tdsls400.ofbp, tdsls400.oamt,tdsls400.ddat,tdsls400.corn |,count(*)
 from tdsls400
 GROUP BY tdsls400.ofbp, tdsls400.oamt,tdsls400.ddat,tdsls400.corn 
 HAVING count(*) > 1

selectdo
	select * 
  from tdsls400
  where tdsls400.ofbp = {:tdsls400.ofbp} and 
        tdsls400.oamt = {:tdsls400.oamt} and
        tdsls400.ddat = {:tdsls400.ddat} and 
        tdsls400.corn ={:tdsls400.corn}
  selectdo
  
  endselect

i tried this in the CDF button i created

query.extend.select("select tdsls400.ofbp, tdsls400.oamt,tdsls400.ddat,tdsls400.corn", EXTEND_OVERWRITE)
query.extend.from("from tdsls400  GROUP BY tdsls400.ofbp, tdsls400.oamt,tdsls400.ddat,tdsls400.corn  HAVING count(*) > 1", EXTEND_OVERWRITE)

but no changes in the overview session


please help im currently stuck 2week on this problem