Re: Parallel Seq Scan - Mailing list pgsql-hackers

From Amit Kapila
Subject Re: Parallel Seq Scan
Date
Msg-id CAA4eK1LcK7a7QMr4u_Khs5oikc36FCsgSrwPH+FR5GknYb6-RA@mail.gmail.com
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In response to Re: Parallel Seq Scan  (Thom Brown <thom@linux.com>)
List pgsql-hackers
On Thu, Mar 12, 2015 at 10:35 PM, Thom Brown <thom@linux.com> wrote:
>
>
> Another problem.  I restarted the instance (just in case), and get this error:
>
> # \df+ *.*
> ERROR:  cannot retain locks acquired while in parallel mode
>

This problem occurs because above statement is trying to
execute parallel_unsafe function (obj_description) in parallelmode.
This will be resolved once parallel_seqscan patch is integrated
with access-parallel-safety patch [1].

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