| From: | Greg Stark <stark(at)mit(dot)edu> |
|---|---|
| To: | Claudio Freire <klaussfreire(at)gmail(dot)com> |
| Cc: | Alvaro Herrera <alvherre(at)2ndquadrant(dot)com>, Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, Andres Freund <andres(at)2ndquadrant(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, Pg Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Minmax indexes |
| Date: | 2014-07-11 18:47:23 |
| Message-ID: | CAM-w4HN=EYoZyYbfOdY7aAwwy0PwddPCrTUPwQYVPaF9OfHNpQ@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Fri, Jul 11, 2014 at 6:00 PM, Claudio Freire <klaussfreire(at)gmail(dot)com> wrote:
> Marking as read-only is ok, or emitting a NOTICE so that if anyone
> changes those parameters that change the shape of the index, they know
> it needs a rebuild would be OK too. Both mechanisms work for me.
We don't actually have any of these mechanisms. They wouldn't be bad
things to have but I don't think we should gate adding new types of
indexes on adding them. In particular, the index could just hard code
a value for these parameters and having them be parameterized is
clearly better even if that doesn't produce all the warnings or
rebuild things automatically or whatever.
--
greg
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