On Thu, Jan 12, 2017 at 5:39 PM, Rahila Syed <rahilasye...@gmail.com> wrote:
> Hello,
>
> On applying the patch on latest master branch and running regression tests
> following failure occurs.
> I applied it on latest parallel index scan patches as given in the link
> above.
>
> ***
> /home/rahila/postgres/postgres/src/test/regress/expected/select_parallel.out
> 2017-01-03 14:06:29.122022780 +0530
> ---
> /home/rahila/postgres/postgres/src/test/regress/results/select_parallel.out
> 2017-01-12 14:35:56.652712622 +0530
> ***************
> *** 92,103 ****
>   explain (costs off)
>     select  sum(parallel_restricted(unique1)) from tenk1
>     group by(parallel_restricted(unique1));
> !                      QUERY PLAN
> ! ----------------------------------------------------
>    HashAggregate
>      Group Key: parallel_restricted(unique1)
> !    ->  Index Only Scan using tenk1_unique1 on tenk1
> ! (3 rows)
>
>   set force_parallel_mode=1;
>   explain (costs off)
> --- 92,105 ----
>   explain (costs off)
>     select  sum(parallel_restricted(unique1)) from tenk1
>     group by(parallel_restricted(unique1));
> !                             QUERY PLAN
> ! -------------------------------------------------------------------
>    HashAggregate
>      Group Key: parallel_restricted(unique1)
> !    ->  Gather
> !          Workers Planned: 4
> !          ->  Parallel Index Only Scan using tenk1_unique1 on tenk1
> ! (5 rows)
>
> IIUC, parallel operation being performed here is fine as parallel restricted
> function occurs above Gather node
> and just the expected output needs to be changed.
>

True, fixed it, please find the attached file for the latest version.

> Thank you,
> Rahila Syed
>
Thanks a lot for the review Rahila.
-- 
Regards,
Rafia Sabih
EnterpriseDB: http://www.enterprisedb.com/

Attachment: parallel_index_only_v4.patch
Description: Binary data

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