On Fri, Mar 18, 2016 at 06:12:12PM -0700, Jeff Janes wrote:
> On Tue, Mar 15, 2016 at 8:36 AM, David Fetter wrote:
> >
> > Please find attached a patch that uses the float8 version to cover the
> > numeric types.
>
> Is there a well-defined meaning for having a negative weight? If no,
> should i
On Fri, Apr 08, 2016 at 01:47:56PM -0700, David Fetter wrote:
> Sorry about the delay. This patch disallows negative weights,
> although it still has that odd difference Jeff found.
Difference corrected. It turned out that my reference was mistaken on
the calculation.
Cheers,
David.
--
David F
On Sun, Mar 20, 2016 at 03:38:40PM -0700, David Fetter wrote:
> On Sat, Mar 19, 2016 at 05:04:08PM +0100, Tomas Vondra wrote:
> > Hi,
> >
> > On 03/19/2016 07:34 AM, David Fetter wrote:
> > >On Fri, Mar 18, 2016 at 06:12:12PM -0700, Jeff Janes wrote:
> > >>On Tue, Mar 15, 2016 at 8:36 AM, David Fe
On Sat, Mar 19, 2016 at 05:04:08PM +0100, Tomas Vondra wrote:
> Hi,
>
> On 03/19/2016 07:34 AM, David Fetter wrote:
> >On Fri, Mar 18, 2016 at 06:12:12PM -0700, Jeff Janes wrote:
> >>On Tue, Mar 15, 2016 at 8:36 AM, David Fetter wrote:
> >>>
> >>>Please find attached a patch that uses the float8
Hi,
On 03/19/2016 07:34 AM, David Fetter wrote:
On Fri, Mar 18, 2016 at 06:12:12PM -0700, Jeff Janes wrote:
On Tue, Mar 15, 2016 at 8:36 AM, David Fetter wrote:
Please find attached a patch that uses the float8 version to cover the
numeric types.
Is there a well-defined meaning for having
On Fri, Mar 18, 2016 at 11:34 PM, David Fetter wrote:
> On Fri, Mar 18, 2016 at 06:12:12PM -0700, Jeff Janes wrote:
>> Also, I think it might not give the correct answer even without
>> negative weights:
>>
>> create table foo as select floor(random()*1)::int val from
>> generate_series(1,100
On Fri, Mar 18, 2016 at 06:12:12PM -0700, Jeff Janes wrote:
> On Tue, Mar 15, 2016 at 8:36 AM, David Fetter wrote:
> >
> > Please find attached a patch that uses the float8 version to cover the
> > numeric types.
>
> Is there a well-defined meaning for having a negative weight? If no,
> should i
On Tue, Mar 15, 2016 at 8:36 AM, David Fetter wrote:
>
> Please find attached a patch that uses the float8 version to cover the
> numeric types.
Is there a well-defined meaning for having a negative weight? If no,
should it be disallowed?
I don't know what I was expecting, but not this:
selec
On Fri, Jan 08, 2016 at 04:37:36PM +1100, Haribabu Kommi wrote:
> On Mon, Dec 21, 2015 at 1:50 PM, David Fetter wrote:
> > On Sun, Dec 20, 2015 at 06:13:33PM -0600, Jim Nasby wrote:
> >> On 11/2/15 5:46 PM, David Fetter wrote:
> >> >I'd like to add weighted statistics to PostgreSQL
> >>
> >> Anyth
I'm closing this for the current commitfest as returned-with-feedback.
Please resubmit for the 2016-03 CF once you have it.
Thanks!
--
Álvaro Herrerahttp://www.2ndQuadrant.com/
PostgreSQL Development, 24x7 Support, Remote DBA, Training & Services
--
Sent via pgsql-hackers mail
On Fri, Jan 08, 2016 at 04:37:36PM +1100, Haribabu Kommi wrote:
> On Mon, Dec 21, 2015 at 1:50 PM, David Fetter wrote:
> > On Sun, Dec 20, 2015 at 06:13:33PM -0600, Jim Nasby wrote:
> >> On 11/2/15 5:46 PM, David Fetter wrote:
> >> >I'd like to add weighted statistics to PostgreSQL
> >>
> >> Anyth
On Mon, Dec 21, 2015 at 1:50 PM, David Fetter wrote:
> On Sun, Dec 20, 2015 at 06:13:33PM -0600, Jim Nasby wrote:
>> On 11/2/15 5:46 PM, David Fetter wrote:
>> >I'd like to add weighted statistics to PostgreSQL
>>
>> Anything happen with this? If community isn't interested, ISTM it'd be good
>> to
On Sun, Dec 20, 2015 at 06:13:33PM -0600, Jim Nasby wrote:
> On 11/2/15 5:46 PM, David Fetter wrote:
> >I'd like to add weighted statistics to PostgreSQL
>
> Anything happen with this? If community isn't interested, ISTM it'd be good
> to put this in PGXN.
I think it's already in PGXN as an exten
On 11/2/15 5:46 PM, David Fetter wrote:
I'd like to add weighted statistics to PostgreSQL
Anything happen with this? If community isn't interested, ISTM it'd be
good to put this in PGXN.
--
Jim Nasby, Data Architect, Blue Treble Consulting, Austin TX
Experts in Analytics, Data Architecture an
Folks,
I'd like to add weighted statistics to PostgreSQL. While the included
weighted_avg() is trivial to calculate using existing machinery, the
included weighted_stddev_*() functions are not.
I've only done the float8 versions, but if we decide to move forward,
I'd be delighted to add the rest
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