Re: Built-in binning functions
От | Petr Jelinek |
---|---|
Тема | Re: Built-in binning functions |
Дата | |
Msg-id | 53A04E66.6040509@2ndquadrant.com обсуждение исходный текст |
Ответ на | Re: Built-in binning functions (Robert Haas <robertmhaas@gmail.com>) |
Список | pgsql-hackers |
On 17/06/14 16:15, Robert Haas wrote: > On Fri, Jun 13, 2014 at 8:22 PM, Petr Jelinek <petr@2ndquadrant.com> wrote: >> here is a patch implementing varwidth_bucket (naming is up for discussion) >> function which does binning with variable bucket width. The use-cases are >> same as for width_bucket (=data analytics, mainly histograms), the >> difference is that width_bucket uses buckets of same width but the >> varwidth_bucket accepts an sorted array of right-bound thresholds to define >> the individual buckets. >> > I wonder if stuff like this shouldn't live in contrib rather than > core, but I guess it's probably not worth it for 3 functions. > I was wondering the same and I also think that 3 simple functions is not that much, plus it seems natural extension of the existing width_bucket. -- Petr Jelinek http://www.2ndQuadrant.com/ PostgreSQL Development, 24x7 Support, Training & Services
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