| From: | David Steele <david(at)pgmasters(dot)net> |
|---|---|
| To: | Thomas Munro <thomas(dot)munro(at)gmail(dot)com> |
| Cc: | Kohei KaiGai <kaigai(at)heterodb(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Asymmetric partition-wise JOIN |
| Date: | 2020-03-27 14:44:03 |
| Message-ID: | 1309907d-f5f7-7d10-e3fd-321f75ba46a5@pgmasters.net |
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| Lists: | pgsql-hackers |
Hi Thomas,
On 12/27/19 2:34 AM, Kohei KaiGai wrote:
>
> This crash was reproduced on our environment also.
> It looks to me adjust_child_relids_multilevel() didn't expect a case
> when supplied 'relids'
> (partially) indicate normal and non-partitioned relation.
> It tries to build a new 'parent_relids' that is a set of
> appinfo->parent_relid related to the
> supplied 'child_relids'. However, bits in child_relids that indicate
> normal relations are
> unintentionally dropped here. Then, adjust_child_relids_multilevel()
> goes to an infinite
> recursion until stack limitation.
>
> The attached v2 fixed the problem, and regression test finished correctly.
Any thoughts on the new version of this patch?
Regards,
--
-David
david(at)pgmasters(dot)net
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