Horton

Re: pg_amcheck contrib application

Mark Dilger <mark.dilger@enterprisedb.com>

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From: Mark Dilger <mark.dilger@enterprisedb.com>
To: Robert Haas <robertmhaas@gmail.com>
Cc: Tom Lane <tgl@sss.pgh.pa.us>, Noah Misch <noah@leadboat.com>, Peter Geoghegan <pg@bowt.ie>, Thomas Munro <thomas.munro@gmail.com>, "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: 2021-04-30T20:04:24Z
Lists: pgsql-hackers 

> On Apr 30, 2021, at 12:47 PM, Robert Haas <robertmhaas@gmail.com> wrote:
> 
> Hmm, I think that might need adjustment, actually. What I was trying
> to do is compensate for the fact that what we now have is the next
> chunk_seq value we expect, not the last one we saw, nor the total
> number of chunks we've seen regardless of what chunk_seq they had. But
> I thought it would be too confusing to just give the chunk number we
> were expecting and not say anything about how many chunks we thought
> there would be in total. So maybe what I should do is change it to
> something like this:
> 
> toast value %u was expected to end at chunk %d, but ended while
> expecting chunk %d
> 
> i.e. same as the currently-committed code, except for changing "ended
> at" to "ended while expecting."

I find the grammar of this new formulation anomalous for hard to articulate reasons not quite the same as but akin to mismatched verb aspect.

—
Mark Dilger
EnterpriseDB: http://www.enterprisedb.com
The Enterprise PostgreSQL Company

Commits

  1. amcheck: Improve some confusing reports about TOAST problems.

  2. amcheck: Reword some messages and fix an alignment problem.

  3. amcheck: fix multiple problems with TOAST pointer validation

  4. amcheck: Remove duplicate XID/MXID bounds checks.

  5. amcheck: Fix verify_heapam's tuple visibility checking rules.

  6. nbtree VACUUM: Cope with buggy opclasses.

  7. Improve pg_amcheck's TAP test 003_check.pl.

  8. Fix a confusing amcheck corruption message.

  9. Doc: add note about how to run the pg_amcheck regression tests.

  10. In pg_amcheck tests, don't depend on perl's Q/q pack code.

  11. pg_amcheck: Keep trying to fix the tests.

  12. pg_amcheck: Try to fix still more test failures.

  13. Try to avoid apparent platform-dependency in IPC::Run

  14. Fix portability issues in pg_amcheck's 004_verify_heapam.pl.

  15. Try to fix compiler warnings.

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

  17. Refactor and generalize the ParallelSlot machinery.

  18. Remove old-style VACUUM FULL (which was known for a little while as