| From: | Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> |
|---|---|
| To: | fabriziomello(at)gmail(dot)com |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net>, Pgsql Hackers <pgsql-hackers(at)postgresql(dot)org>, Thom Brown <thom(at)linux(dot)com> |
| Subject: | Re: GSoC proposal - "make an unlogged table logged" |
| Date: | 2014-03-07 03:36:00 |
| Message-ID: | 31724.1394163360@sss.pgh.pa.us |
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| Lists: | pgsql-hackers |
=?ISO-8859-1?Q?Fabr=EDzio_de_Royes_Mello?= <fabriziomello(at)gmail(dot)com> writes:
> Do you think is difficult to implement "ALTER TABLE ... SET UNLOGGED" too?
> Thinking in a scope of one GSoC, of course.
I think it's basically the same thing. You might hope to optimize it;
but you have to create (rather than remove) an init fork, and there's
no way to do that in exact sync with the commit. So for safety I think
you have to copy the data into a new relfilenode.
regards, tom lane
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