From: | Alvaro Herrera <alvherre(at)alvh(dot)no-ip(dot)org> |
---|---|
To: | Thomas Munro <thomas(dot)munro(at)enterprisedb(dot)com> |
Cc: | Magnus Hagander <magnus(at)hagander(dot)net>, Andres Freund <andres(at)anarazel(dot)de>, PostgreSQL Hackers <pgsql-hackers(at)lists(dot)postgresql(dot)org>, Tomas Vondra <tomas(dot)vondra(at)2ndquadrant(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
Subject: | Re: select_parallel test failure: gather sometimes losing tuples (maybe during rescans)? |
Date: | 2018-03-05 16:04:35 |
Message-ID: | 20180305160435.wbsx3ncorn5xtrts@alvherre.pgsql |
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Thread: | |
Lists: | pgsql-hackers |
Thomas Munro wrote:
> On Sun, Mar 4, 2018 at 10:46 PM, Magnus Hagander <magnus(at)hagander(dot)net> wrote:
> > Um. Have you actually seen the "mail archive app" cut long threads off in
> > other cases? Because it's certainly not supposed to do that...
>
> Hi Magnus,
>
> I mean the "flat" thread view:
>
> https://www.postgresql.org/message-id/flat/CAFjFpRfQ8GrQvzp3jA2wnLqrHmaXna-urjm_UY9BqXj=EaDTSA(at)mail(dot)gmail(dot)com
>
> The final message on that page is not the final message that appears
> in my mail client for the thread. I guessed that might have been cut
> off due to some hard-coded limit, but perhaps there is some other
> reason (different heuristics for thread following?)
You're thinking of message
https://www.postgresql.org/message-id/CAFjFpRfa6_n10cn3vXjN9hdTqneH6A1rfnLXy0PnCP63T2putw@mail.gmail.com
but that is not the same thread -- it doesn't have the References or
In-Reply-To headers (see "raw"; user/pwd is archives/antispam). Don't
know why though -- maybe Gmail trimmed References because it no longer
fit in the DKIM signature? Yours had a long one:
https://www.postgresql.org/message-id/raw/CAEepm%3D0VCrC-WfzZkq3YSvJXf225rDnp1ypjv%2BrjKO5d0%3DXqFg%40mail.gmail.com
--
Álvaro Herrera https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
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