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Re: CREATE INDEX CONCURRENTLY does not index prepared xact's data

Semab Tariq <semab.tariq@enterprisedb.com>

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From: Semab Tariq <semab.tariq@enterprisedb.com>
To: Noah Misch <noah@leadboat.com>
Cc: Thomas Munro <thomas.munro@gmail.com>, Sandeep Thakkar <sandeep.thakkar@enterprisedb.com>, Robert Haas <robertmhaas@gmail.com>, Andrey Borodin <x4mmm@yandex-team.ru>, Andres Freund <andres@anarazel.de>, CM Team <cm@enterprisedb.com>, PostgreSQL mailing lists <pgsql-bugs@lists.postgresql.org>, Michael Paquier <michael@paquier.xyz>, Tom Lane <tgl@sss.pgh.pa.us>, Peter Geoghegan <pg@bowt.ie>
Date: 2021-11-07T15:25:09Z
Lists: pgsql-bugs

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On Sun, Nov 7, 2021 at 4:08 AM Noah Misch <noah@leadboat.com> wrote:

> On Fri, Nov 05, 2021 at 04:22:36AM -0700, Noah Misch wrote:
> > On Fri, Nov 05, 2021 at 03:21:15PM +0500, Semab Tariq wrote:
> > > Breakpoint 1, 0x40000000003fcb50:0 in equalTupleDescs (
> > >     tupdesc1=0x40010006f968, tupdesc2=0x87ffffffffffac50)
> >
> > The addresses there are weird.  tupdesc1 is neither a stack address nor
> a heap
> > address; it may be in a program text section.  tupdesc2 is a stack
> address.
> > In the earlier stack trace from
> >
> https://postgr.es/m/CANFyU94Xa8a5+4sZ7PxOiDLq+yN89g6y-9nNk-eLEvX6YUXbXA@mail.gmail.com
> > both tupdesc1 and tupdesc2 were heap addresses.
> >
> > >
> /home/pgbfarm/buildroot-gharial-HEAD/postgresql/src/test/subscription/tmp_check/t_080_step_equalTupleDescs_main_data/commands-gdb:8:
> Error in sourced command file:
> > > Error accessing memory address 0x40010006f968: Bad address.
> >
> > Thanks.  Please try the attached test version, which avoids exiting too
> early
> > like the last version did.
>
> If you haven't run that yet, please use this version instead.  It collects
> more data.  The log will probably be too big to be proper for the mailing
> list, so please compress it.
>

Hi Noah
PFA new regress_log_080_step_equalTupleDescs file generated from your
latest patch

-- 
Thanks & Regards,
Semab

Commits

Same data as JSON: GET /api/v1/messages/:b64id/commits the thread's linked commits as JSON, with link sources. API reference →

  1. Improve contrib/amcheck's tests for CREATE INDEX CONCURRENTLY.

  2. Fix minor memory leaks in pg_dump.

  3. Avoid race in RelationBuildDesc() affecting CREATE INDEX CONCURRENTLY.

  4. Fix CREATE INDEX CONCURRENTLY for the newest prepared transactions.

  5. Add -w back to the flags for pg_ctl (re)start in PostgresNode

  6. Fix CREATE INDEX CONCURRENTLY for simultaneous prepared transactions.