Re: parallel mode and parallel contexts

From: Amit Kapila <amit(dot)kapila16(at)gmail(dot)com>
To: Robert Haas <robertmhaas(at)gmail(dot)com>
Cc: Simon Riggs <simon(at)2ndquadrant(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: parallel mode and parallel contexts
Date: 2015-01-08 11:52:26
Message-ID: CAA4eK1KaNw6Rsr1eCv8tD4FPJFOurGCYU-HdsuOEkuJ9WNdaRw@mail.gmail.com
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On Wed, Jan 7, 2015 at 11:03 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
>
> I have little doubt that this version is still afflicted with various
> bugs, and the heavyweight locking issue remains to be dealt with, but
> on the whole I think this is headed in the right direction.
>

+ParallelMain(Datum main_arg)
{
..
+ /*
+ * Now that we have a resource owner, we can attach to the dynamic
+ * shared memory
segment and read the table of contents.
+ */
+ seg = dsm_attach(DatumGetInt32(main_arg));

Here, I think DatumGetUInt32() needs to be used instead of
DatumGetInt32() as the segment handle is uint32.

With Regards,
Amit Kapila.
EnterpriseDB: http://www.enterprisedb.com

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