Re: Declarative partitioning - another take

Robert Haas <robertmhaas@gmail.com>

From: Robert Haas <robertmhaas@gmail.com>
To: Alvaro Herrera <alvherre@2ndquadrant.com>
Cc: Amit Langote <Langote_Amit_f8@lab.ntt.co.jp>, Amit Langote <amitlangote09@gmail.com>, Dmitry Ivanov <d.ivanov@postgrespro.ru>, Michael Paquier <michael.paquier@gmail.com>, Andres Freund <andres@anarazel.de>, Erik Rijkers <er@xs4all.nl>, Rajkumar Raghuwanshi <rajkumar.raghuwanshi@enterprisedb.com>, Ashutosh Bapat <ashutosh.bapat@enterprisedb.com>, Pg Hackers <pgsql-hackers@postgresql.org>, pgsql-hackers-owner@postgresql.org
Date: 2016-12-20T15:45:25Z
Lists: pgsql-hackers
On Tue, Dec 20, 2016 at 10:27 AM, Alvaro Herrera
<alvherre@2ndquadrant.com> wrote:
> Even if we decide to keep the message, I think it's not very good
> wording anyhow; as a translator I disliked it on sight.  Instead of
> "skipping scan to validate" I would use "skipping validation scan",
> except that it's not clear what it is we're validating.  Mentioning
> partition constraint in errcontext() doesn't like a great solution, but
> I can't think of anything better.

Maybe something like: partition constraint for table \"%s\" is implied
by existing constraints

> (We have the table_rewrite event trigger, for a very similar use case.)

Hmm, maybe we should see if we can safely support an event trigger here, too.

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


Commits

  1. Fix typo.

  2. Document trigger-firing behavior for inheritance/partitioning.

  3. Fire per-statement triggers on partitioned tables.

  4. Set ecxt_scantuple correctly for tuple routing.

  5. Fix interaction of partitioned tables with BulkInsertState.

  6. Avoid core dump for empty prepared statement in an aborted transaction.

  7. Fix some problems in check_new_partition_bound().

  8. Remove unnecessary arguments from partitioning functions.

  9. Fix reporting of constraint violations for table partitioning.

  10. Fix tuple routing in cases where tuple descriptors don't match.

  11. Invalid parent's relcache after CREATE TABLE .. PARTITION OF.

  12. Doc: improve documentation about inheritance.