Re: Allow CLUSTER, VACUUM FULL and REINDEX to change tablespace on the fly

Alexey Kondratov <a.kondratov@postgrespro.ru>

From: Alexey Kondratov <a.kondratov@postgrespro.ru>
To: Alvaro Herrera <alvherre@alvh.no-ip.org>
Cc: Michael Paquier <michael@paquier.xyz>, Justin Pryzby <pryzby@telsasoft.com>, Peter Eisentraut <peter.eisentraut@enterprisedb.com>, Masahiko Sawada <masahiko.sawada@2ndquadrant.com>, Steve Singer <steve@ssinger.info>, pgsql-hackers@lists.postgresql.org, Robert Haas <robertmhaas@gmail.com>, Alexander Korotkov <a.korotkov@postgrespro.ru>, Masahiko Sawada <sawada.mshk@gmail.com>, Jose Luis Tallon <jltallon@adv-solutions.net>
Date: 2021-01-20T18:10:14Z
Lists: pgsql-hackers

Attachments

On 2021-01-20 21:08, Alexey Kondratov wrote:
> On 2021-01-20 18:54, Alvaro Herrera wrote:
>> On 2021-Jan-20, Alvaro Herrera wrote:
>> 
>>> On 2021-Jan-20, Michael Paquier wrote:
>>> 
>>> > +/*
>>> > + * This is mostly duplicating ATExecSetTableSpaceNoStorage,
>>> > + * which should maybe be factored out to a library function.
>>> > + */
>>> > Wouldn't it be better to do first the refactoring of 0002 and then
>>> > 0001 so as REINDEX can use the new routine, instead of putting that
>>> > into a comment?
>>> 
>>> I think merging 0001 and 0002 into a single commit is a reasonable
>>> approach.
>> 
>> ... except it doesn't make a lot of sense to have set_rel_tablespace 
>> in
>> either indexcmds.c or index.c.  I think tablecmds.c is a better place
>> for it.  (I would have thought catalog/storage.c, but that one's not 
>> the
>> right abstraction level it seems.)
>> 
> 
> I did a refactoring of ATExecSetTableSpaceNoStorage() in the 0001. New
> function SetRelTablesapce() is placed into the tablecmds.c. Following
> 0002 gets use of it. Is it close to what you and Michael suggested?
> 

Ugh, forgot to attach the patches. Here they are.

-- 
Alexey

Commits

  1. Add TABLESPACE option to REINDEX

  2. Refactor code in tablecmds.c to check and process tablespace moves

  3. Refactor option handling of CLUSTER, REINDEX and VACUUM

  4. pg_dump: Don't use enums for defining bit mask values

  5. Refactor CLUSTER and REINDEX grammar to use DefElem for option lists

  6. Refactor parsing rules for option lists of EXPLAIN, VACUUM and ANALYZE

  7. Improve tab completion of REINDEX in psql

  8. Fix possible crash during FATAL exit from reindexing.