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

Alvaro Herrera <alvherre@2ndquadrant.com>

From: Alvaro Herrera <alvherre@2ndquadrant.com>
To: Justin Pryzby <pryzby@telsasoft.com>
Cc: Michael Paquier <michael@paquier.xyz>, Alexey Kondratov <a.kondratov@postgrespro.ru>, 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: 2020-09-01T15:48:30Z
Lists: pgsql-hackers
On 2020-Sep-01, Justin Pryzby wrote:

> On Tue, Sep 01, 2020 at 11:40:18AM -0400, Alvaro Herrera wrote:

> > The advantage of using a parenthesized option list is that you can add
> > *further* options without making the new keywords reserved.  Of course,
> > we already reserve CONCURRENTLY and VERBOSE pretty severely, so there's
> > no change.  If you wanted REINDEX FLUFFY then it wouldn't work without
> > making that at least type_func_name_keyword I think; but REINDEX
> > (FLUFFY) would work just fine.  And of course the new feature at hand
> > can be implemented.
> 
> The question isn't whether to use a parenthesized option list.  I realized that
> long ago (even though Alexey didn't initially like it).  Check 0002, which gets
> rid of "bool concurrent" in favour of stmt->options&REINDEXOPT_CONCURRENT.

Ah!  I see, sorry for the noise.  Well, respectfully, having a separate
boolean to store one option when you already have a bitmask for options
is silly.

-- 
Álvaro Herrera                https://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services



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.