| From: | Michael Paquier <michael(dot)paquier(at)gmail(dot)com> |
|---|---|
| To: | Andres Freund <andres(at)2ndquadrant(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Peter Eisentraut <peter_e(at)gmx(dot)net>, Jim Nasby <jim(at)nasby(dot)net>, PostgreSQL mailing lists <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: REINDEX CONCURRENTLY 2.0 |
| Date: | 2014-11-13 01:26:49 |
| Message-ID: | CAB7nPqRwtOZzzOSY8ck77BzoD0VP8rofHNYMMH4Gx2eQo23hMQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Thu, Nov 13, 2014 at 9:31 AM, Andres Freund <andres(at)2ndquadrant(dot)com> wrote:
> I don't recall what the problem with just swapping the names was - but
> I'm pretty sure there was one... Hm. The index relation oids are
> referred to by constraints and dependencies. That's somewhat
> solvable. But I think there was something else as well...
The reason given 2 years ago for not using relname was the fast that
the oid of the index changes, and to it be refered by some pg_depend
entries:
http://www.postgresql.org/message-id/20121208133730.GA6422@awork2.anarazel.de
http://www.postgresql.org/message-id/12742.1354977643@sss.pgh.pa.us
Regards,
--
Michael
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