Re: Parallel Aggregate

From: Haribabu Kommi <kommi(dot)haribabu(at)gmail(dot)com>
To: Paul Ramsey <pramsey(at)cleverelephant(dot)ca>
Cc: David Rowley <david(dot)rowley(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, "pgsql-hackers(at)postgresql(dot)org" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Parallel Aggregate
Date: 2015-12-16 05:11:46
Message-ID: CAJrrPGf_ZnftNNaqDGBkxLwR2r=jWZvz63WihUunrMnGo9PzsA@mail.gmail.com
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On Tue, Dec 15, 2015 at 8:04 AM, Paul Ramsey <pramsey(at)cleverelephant(dot)ca> wrote:
> But the run dies.
>
> NOTICE: SRID value -32897 converted to the officially unknown SRID value 0
> ERROR: Unknown geometry type: 2139062143 - Invalid type
>
> From the message it looks like geometry gets corrupted at some point,
> causing a read to fail on very screwed up metadata.

Thanks for the test. There was some problem in advance_combination_function
in handling pass by reference data. Here I attached updated patch with the fix.

Regards,
Hari Babu
Fujitsu Australia

Attachment Content-Type Size
parallelagg_poc_v2.patch application/octet-stream 98.8 KB

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