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Re: TODO-Item: B-tree fillfactor control

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>
Cc: ITAGAKI Takahiro <itagaki(dot)takahiro(at)lab(dot)ntt(dot)co(dot)jp>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: TODO-Item: B-tree fillfactor control
Date: 2006-02-01 18:22:17
Message-ID: 3185.1138818137@sss.pgh.pa.us (view raw or flat)
Thread:
Lists: pgsql-hackerspgsql-patches
Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us> writes:
>> - Should indexes remember their fillfactors when they are created?
>> The last fillfactors will be used on next reindex.

> They should remember, for sure, and REINDEX should use it.  It think
> this is similar to the ALTER TABLE ALTER [ COLUMN ] ... SET STATISTICS 
> functionality.  It will need to be dumped as well by pg_dump.

If you want it to be dumped by pg_dump (which is debatable IMHO) then
it MUST NOT be a syntax extension, it has to be driven by a GUC
variable, else we have compatibility problems with the dumps.  We just
went through this with WITH/WITHOUT OIDS.

			regards, tom lane

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