Re: Damage control for planner's get_actual_variable_endpoint() runaway - Mailing list pgsql-hackers

From Jakub Wartak
Subject Re: Damage control for planner's get_actual_variable_endpoint() runaway
Date
Msg-id CAKZiRmzHT2aV3wuq8-91kArFsvBU01CmZxUGSuG=3wUB3MyM3g@mail.gmail.com
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In response to Re: Damage control for planner's get_actual_variable_endpoint() runaway  (Robert Haas <robertmhaas@gmail.com>)
List pgsql-hackers
Hi all,

apologies the patch was rushed too quickly - my bad. I'm attaching a
fixed one as v0004 (as it is the 4th patch floating around here).

-Jakub Wartak

On Mon, Nov 21, 2022 at 9:55 PM Robert Haas <robertmhaas@gmail.com> wrote:
>
> On Mon, Nov 21, 2022 at 1:17 PM Andres Freund <andres@anarazel.de> wrote:
> > On November 21, 2022 9:37:34 AM PST, Robert Haas <robertmhaas@gmail.com> wrote:
> > >On Mon, Nov 21, 2022 at 12:30 PM Andres Freund <andres@anarazel.de> wrote:
> > >> This can't quite be right - isn't this only applying the limit if we found a
> > >> visible tuple?
> > >
> > >It doesn't look that way to me, but perhaps I'm just too dense to see
> > >the problem?
> >
> > The earlier version didn't have the issue, but the latest seems to only limit after a visible tuple has been found.
Notethe continue; when fetching a heap tuple fails.
 
>
> Oh, that line was removed in Simon's patch but not in Jakub's version,
> I guess. Jakub's version also leaves out the last_block = block line
> which seems pretty critical.
>
> --
> Robert Haas
> EDB: http://www.enterprisedb.com

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