Re: new heapcheck contrib module

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Tom Lane <tgl@sss.pgh.pa.us>
Cc: Mark Dilger <mark.dilger@enterprisedb.com>, Peter Geoghegan <pg@bowt.ie>, "Andrey M. Borodin" <x4mmm@yandex-team.ru>, Stephen Frost <sfrost@snowman.net>, Michael Paquier <michael@paquier.xyz>, Amul Sul <sulamul@gmail.com>, Dilip Kumar <dilipbalaut@gmail.com>, Andres Freund <andres@anarazel.de>, PostgreSQL-development <pgsql-hackers@postgresql.org>
Date: 2020-10-22T14:46:51Z
Lists: pgsql-hackers
On Thu, Oct 22, 2020 at 10:28 AM Tom Lane <tgl@sss.pgh.pa.us> wrote:
> Considering this is a TAP test, why in the world is it designed to hide
> all details of any unexpected amcheck messages?  Surely being able to
> see what amcheck is saying would be helpful here.
>
> IOW, don't have the tests abbreviate the module output with count(*),
> but return the full thing, and then use a regex to see if you got what
> was expected.  If you didn't, the output will show what you did get.

Yeah, that thought crossed my mind, too. But I'm not sure it would
help in the case of this particular failure, because I think the
problem is that we're expecting to get complaints and instead getting
none.

It might be good to change it anyway, though.

-- 
Robert Haas
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company



Commits

  1. Add pg_amcheck, a CLI for contrib/amcheck.

  2. Refactor and generalize the ParallelSlot machinery.

  3. Generalize parallel slot result handling.

  4. Move some code from src/bin/scripts to src/fe_utils to permit reuse.

  5. Factor pattern-construction logic out of processSQLNamePattern.

  6. Doc: clean up verify_heapam() documentation.

  7. Fix more portability issues in new amcheck code.

  8. Fix portability issues in new amcheck test.

  9. Try to avoid a compiler warning about using fxid uninitialized.

  10. Extend amcheck to check heap pages.

  11. Adjust walsender usage of xlogreader, simplify APIs

  12. Improve checking of child pages in contrib/amcheck.

  13. Sanitize line pointers within contrib/amcheck.

  14. Fix possible sorting error when aborting use of abbreviated keys.