Re: [GENERAL] Backwards index scan
Tom Lane <tgl@sss.pgh.pa.us>
From: Tom Lane <tgl@sss.pgh.pa.us>
To: Gaetano Mendola <mendola@bigfoot.com>
Cc: "pgsql-hackers@postgresql.org" <pgsql-hackers@postgresql.org>
Date: 2003-12-21T16:54:32Z
Lists: pgsql-bugs, pgsql-hackers
Gaetano Mendola <mendola@bigfoot.com> writes: > Tom Lane wrote: >> I have committed a fix into 7.5devel to do this properly. I think this >> is the last case wherein btree is unnecessarily inefficient for large >> numbers of equal keys. > Any chance to have it on 7.4.1 ? No. It's inadequately tested to go into a stable release, and anyway I'm not sure what the interactions are with previous 7.5-only changes for cross-datatype indexing. regards, tom lane