| From: | Peter Geoghegan <pg(at)heroku(dot)com> |
|---|---|
| To: | Robert Haas <robertmhaas(at)gmail(dot)com> |
| Cc: | Andrew Gierth <andrew(at)tao11(dot)riddles(dot)org(dot)uk>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Noah Misch <noah(at)leadboat(dot)com>, Marti Raudsepp <marti(at)juffo(dot)org>, Stephen Frost <sfrost(at)snowman(dot)net>, Greg Stark <stark(at)mit(dot)edu>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: B-Tree support function number 3 (strxfrm() optimization) |
| Date: | 2015-01-21 02:33:29 |
| Message-ID: | CAM3SWZQmgnE18qFxrmZ7g7h+Bu5zaSpGmz0EO-jFeyEb7KxdQg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Jan 20, 2015 at 6:30 PM, Robert Haas <robertmhaas(at)gmail(dot)com> wrote:
> I don't want to change the on-disk format for tapes without a lot more
> discussion. Can you come up with a fix that avoids that for now?
A more conservative approach would be to perform conversion on-the-fly
once more. That wouldn't be patently unacceptable from a performance
perspective, and would also not change the on-disk format for tapes.
Thoughts?
--
Peter Geoghegan
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