Update query39.sql

Fix query repeated ~2x

sample-queries-tpcds/query39.sql

@@ -24,30 +24,3 @@ where inv1.i_item_sk = inv2.i_item_sk
 order by inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean,inv1.cov
         ,inv2.d_moy,inv2.mean, inv2.cov
 ;
-with inv as
-(select w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy
-       ,stdev,mean, case mean when 0 then null else stdev/mean end cov
- from(select w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy
-            ,stddev_samp(inv_quantity_on_hand) stdev,avg(inv_quantity_on_hand) mean
-      from inventory
-          ,item
-          ,warehouse
-          ,date_dim
-      where inv_item_sk = i_item_sk
-        and inv_warehouse_sk = w_warehouse_sk
-        and inv_date_sk = d_date_sk
-        and d_year =1999
-      group by w_warehouse_name,w_warehouse_sk,i_item_sk,d_moy) foo
- where case mean when 0 then 0 else stdev/mean end > 1)
-select inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean, inv1.cov
-        ,inv2.w_warehouse_sk,inv2.i_item_sk,inv2.d_moy,inv2.mean, inv2.cov
-from inv inv1,inv inv2
-where inv1.i_item_sk = inv2.i_item_sk
-  and inv1.w_warehouse_sk =  inv2.w_warehouse_sk
-  and inv1.d_moy=3
-  and inv2.d_moy=3+1
-  and inv1.cov > 1.5
-order by inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean,inv1.cov
-        ,inv2.d_moy,inv2.mean, inv2.cov
-;
-