Re: Search from newer tuples first, vs older tuples first?

From: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
To: Lincoln Yeoh <lyeoh(at)pop(dot)jaring(dot)my>
Cc: "Hackers List" <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Search from newer tuples first, vs older tuples first?
Date: 2002-05-02 14:00:23
Message-ID: 7141.1020348023@sss.pgh.pa.us
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Lincoln Yeoh <lyeoh(at)pop(dot)jaring(dot)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

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Hannu Krosing 2002-05-02 14:07:54 Re: PostgreSQL mission statement?
Previous Message Tom Lane 2002-05-02 13:48:25 Re: Schemas: status report, call for developers