| From: | Peter Eisentraut <peter_e(at)gmx(dot)net> |
|---|---|
| To: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
| Cc: | Greg Stark <gsstark(at)mit(dot)edu>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Dean Rasheed <dean(dot)a(dot)rasheed(at)gmail(dot)com>, Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com>, Robert Haas <robertmhaas(at)gmail(dot)com>, David Fetter <david(at)fetter(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: wip: functions median and percentile |
| Date: | 2010-10-13 10:48:17 |
| Message-ID: | 1286966897.12603.0.camel@fsopti579.F-Secure.com |
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| Lists: | pgsql-hackers pgsql-rrreviewers |
On mån, 2010-10-11 at 20:46 +0200, Pavel Stehule wrote:
> The problem is in interface. The original patch did it, but I removed
> it. We cannot to unsure immutability of some parameters now.
How about you store the "immutable" parameter in the transition state
and error out if it changes between calls?
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