Re: Implementation of GROUPING SETS (T431: Extended grouping capabilities)

From: Alvaro Herrera <alvherre(at)commandprompt(dot)com>
To: Олег Царев <zabivator(at)gmail(dot)com>
Cc: Pavel Stehule <pavel(dot)stehule(at)gmail(dot)com>, pgsql-hackers(at)postgresql(dot)org
Subject: Re: Implementation of GROUPING SETS (T431: Extended grouping capabilities)
Date: 2009-08-07 21:45:00
Message-ID: 20090807214500.GJ5290@alvh.no-ip.org
Views: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
Lists: pgsql-hackers

Олег Царев escribió:
> Hello all!
> If no one objecte (all agree, in other say) i continue work on patch -
> particulary, i want support second strategy (tuple store instead of
> hash-table) for save order of source (more cheap solution in case with
> grouping sets + order by), investigate and brainstorm another
> optimisation, writing regression tests and technical documentation.
> But I need some time for complete my investigation internals of
> PostgreSQL, particulary CTE.

Where are we on this patch? Is it moving forward?

--
Alvaro Herrera http://www.CommandPrompt.com/
PostgreSQL Replication, Consulting, Custom Development, 24x7 support

In response to

Responses

Browse pgsql-hackers by date

  From Date Subject
Next Message Tom Lane 2009-08-07 22:02:32 Re: Alpha releases: How to tag
Previous Message Tom Lane 2009-08-07 21:43:18 Re: Durability?