From: Paul Jungwirth <pj@illuminatedcomputing.com>
To: David Fetter <david@fetter.org>
Cc: Pgsql Hackers <pgsql-hackers@postgresql.org>
Subject: Re: range_agg
Date: Mon, 6 May 2019 11:19:27 -0700
Message-ID: <16a2d956-f9da-6bed-6473-de9d1ec0a428@illuminatedcomputing.com> (raw)
In-Reply-To: <20190504014147.GC28936@fetter.org>
References: <16d71dc8-34cf-5ebd-1ce5-ccd93c0a14f9@illuminatedcomputing.com>
<20190504014147.GC28936@fetter.org>
On 5/3/19 6:41 PM, David Fetter wrote:
> This suggests two different ways to extend ranges over aggregation:
> one which is a union of (in general) disjoint intervals, two others
> are a union of intervals, each of which has a weight.
> . . .
> I think the cases above, or at least the first two of them, should be
> available. They could be called range_agg, weighted_range_agg, and
> covering_range_agg.
Thanks David! I think these two new functions make sense. Before I
implement them too I wonder if anyone else has uses for them?
Thanks,
--
Paul ~{:-)
pj@illuminatedcomputing.com
Reply instructions:
You may reply publicly to this message via plain-text email
using any one of the following methods:
* Reply to all the recipients using the --to and --cc options:
reply via email
To: pgsql-hackers@postgresql.org
Cc: pj@illuminatedcomputing.com, david@fetter.org
Subject: Re: range_agg
In-Reply-To: <16a2d956-f9da-6bed-6473-de9d1ec0a428@illuminatedcomputing.com>
* Save the following mbox file, import it into your mail client,
and reply-to-all from there: mbox
This inbox is served by DDX for PostgreSQL; see mirroring instructions
for how to clone and mirror all data and code used for this inbox