Re: CUBE, ROLLUP, GROUPING SETS?

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От Robert Treat
Тема Re: CUBE, ROLLUP, GROUPING SETS?
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Msg-id 200610282016.59217.xzilla@users.sourceforge.net
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Ответ на Re: CUBE, ROLLUP, GROUPING SETS?  ("Nicolas Barbier" <nicolas.barbier@gmail.com>)
Список pgsql-general
On Saturday 28 October 2006 19:47, Nicolas Barbier wrote:
> 2006/10/28, Robert Treat <xzilla@users.sourceforge.net>:
> > On Tuesday 10 October 2006 15:19, stig erikson wrote:
> >> Are there any plans to implement CUBE, ROLLUP and/or GROUPING SETS in
> >> future PostgreSQL versions? I could not find any info on the TODO-page.
> >
> > I've heard people mention it, but no one has ever come up with a solid
> > proposal or patch.  Depending on what your doing there are ways to
> > simulate those things with more standard sql.
>
> CUBE, ROLLUP and GROUPING SETS are at least part of SQL 2003.
> Supporting them would probably also include optimized ways to execute
> them, like calculating all aggregations in one run for ROLLUP (instead
> of doing multiple scans).
>

I didn't say anyone was against the idea, just that we've yet to see someone
with the appropriately shaped tuits show up...

--
Robert Treat
Build A Brighter LAMP :: Linux Apache {middleware} PostgreSQL

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