| set hive.mapred.mode=nonstrict; |
| -- start query 1 in stream 0 using template query39.tpl and seed 1327317894 |
| explain cbo |
| 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=4 |
| and inv2.d_moy=4+1 |
| order by inv1.w_warehouse_sk,inv1.i_item_sk,inv1.d_moy,inv1.mean,inv1.cov |
| ,inv2.d_moy,inv2.mean, inv2.cov |
| ; |
| |
| -- end query 1 in stream 0 using template query39.tpl |