Re: Search from newer tuples first, vs older tuples first? - Mailing list pgsql-hackers

From Tom Lane
Subject Re: Search from newer tuples first, vs older tuples first?
Date
Msg-id 7141.1020348023@sss.pgh.pa.us
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In response to Re: Search from newer tuples first, vs older tuples first?  (Lincoln Yeoh <lyeoh@pop.jaring.my>)
Responses Re: Search from newer tuples first, vs older tuples first?
List pgsql-hackers
Lincoln Yeoh <lyeoh@pop.jaring.my> writes:
> OK I'm starting to get it :). Will the index behaviour be changed soon?

When someone steps up and does it.  I've learned not to predict
schedules for this project.

> Hmm, then what are the row tuple forward links for? Why forward?

Updates in READ COMMITTED mode have to be able to find the newest
version of a tuple they've already found.
        regards, tom lane


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