Re: [GENERAL] Backwards index scan - Mailing list pgsql-hackers

From Tom Lane
Subject Re: [GENERAL] Backwards index scan
Date
Msg-id 22848.1072025672@sss.pgh.pa.us
Whole thread Raw
In response to Re: [GENERAL] Backwards index scan  (Gaetano Mendola <mendola@bigfoot.com>)
List 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


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