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