parthchandra commented on PR #968:
URL: https://github.com/apache/parquet-mr/pull/968#issuecomment-1446796605
Also try a query like
```
select
SUM(length(IFNULL(ss_sold_date_sk, ' '))),
SUM(length(IFNULL(ss_sold_time_sk, ' '))),
SUM(length(IFNULL(ss_item_sk, ' '))),
SUM(length(IFNULL(ss_customer_sk, ' '))),
SUM(length(IFNULL(ss_cdemo_sk, ' '))),
SUM(length(IFNULL(ss_hdemo_sk, ' '))),
SUM(length(IFNULL(ss_addr_sk, ' '))),
SUM(length(IFNULL(ss_store_sk, ' '))),
SUM(length(IFNULL(ss_promo_sk, ' '))),
SUM(length(IFNULL(ss_ticket_number, ' '))),
SUM(ss_quantity),
SUM(ss_wholesale_Cost),
SUM(ss_list_price ),
SUM(ss_sales_price),
SUM(ss_ext_discount_amt),
SUM(ss_ext_sales_price),
SUM(ss_ext_wholesale_cost),
SUM(ss_ext_list_price),
SUM(ss_ext_tax),
SUM(ss_coupon_amt),
SUM(ss_net_paid),
SUM(ss_net_paid_inc_tax),
SUM(ss_net_profit)
from store_sales
```
which avoids the expensive sort
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