| From: | Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com> |
|---|---|
| To: | Hitoshi Harada <umi(dot)tanuki(at)gmail(dot)com> |
| Cc: | David Fetter <david(at)fetter(dot)org>, PostgreSQL Hackers <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: wip: functions median and percentile |
| Date: | 2010-09-26 10:39:21 |
| Message-ID: | AANLkTinirV9g=TMZFwo-Erz3ZsBacxAV9QO1343TOPOA@mail.gmail.com |
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| Lists: | pgsql-hackers pgsql-rrreviewers |
Hello,
there is updated version - with support of window clause. The limits
are work_mem for using inside window aggregate or unlimited when it is
used as standard query.
This patch needs a few work - can share a compare functionality with
tuplesort.c, but I would to verify a concept now.
Comments?
Regards
Pavel
| Attachment | Content-Type | Size |
|---|---|---|
| median.diff | application/octet-stream | 26.3 KB |
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