| From: | Andres Freund <andres(at)anarazel(dot)de> |
|---|---|
| To: | Peter Geoghegan <pg(at)heroku(dot)com> |
| Cc: | Oskari Saarenmaa <os(at)aiven(dot)io>, Michael Paquier <michael(dot)paquier(at)gmail(dot)com>, Peter Tripp <peter(at)chartio(dot)com>, Virendra Negi <virendra(at)idyllic-software(dot)com>, pgsql-bugs <pgsql-bugs(at)postgresql(dot)org> |
| Subject: | Re: BUG #14150: Attempted to delete invisible tuple |
| Date: | 2016-07-06 21:40:45 |
| Message-ID: | 20160706214045.ommbu37ui6nufscf@alap3.anarazel.de |
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| Lists: | pgsql-bugs |
On 2016-07-05 23:24:13 -0700, Peter Geoghegan wrote:
> On Tue, Jul 5, 2016 at 11:05 PM, Oskari Saarenmaa <os(at)aiven(dot)io> wrote:
> > ISTM this is caused by toast knowing nothing about speculative insertion:
> > when two backends have executed a speculative heap_insert with a conflicting
> > key and the latter one tries to abort after receiving specConflict there's
> > nothing in tqual.c to say that the toast rows associated with speculative
> > insertion should be visible to that operation.
>
> This analysis may be relevant:
>
> https://www.postgresql.org/message-id/CACjxUsMBEHexQehM6P7ck+7AdxReH9fP29Z3t6h4eZp_9YveXQ@mail.gmail.com
Not sure what that has to do with the problem?
Andres
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