Re: truncating timestamps on arbitrary intervals

Justin Pryzby <pryzby@telsasoft.com>

From: Justin Pryzby <pryzby@telsasoft.com>
To: Peter Eisentraut <peter.eisentraut@enterprisedb.com>
Cc: John Naylor <john.naylor@enterprisedb.com>, pgsql-hackers@postgresql.org
Date: 2021-03-27T17:06:11Z
Lists: pgsql-hackers
On Wed, Mar 24, 2021 at 08:50:59PM +0100, Peter Eisentraut wrote:
> On 24.03.21 18:58, John Naylor wrote:
> >  > As a potential follow-up, should we perhaps add named arguments?  That
> >  > might make the invocations easier to read, depending on taste.
> > 
> > I think it's quite possible some users will prefer that. All we need is
> > to add something like
> > 
> > proargnames => '{bin_width,input,origin}'
> > 
> > to the catalog, right?
> 
> right, plus some documentation adjustments perhaps

+1

The current docs seem to be missing a "synopsis", like

+<synopsis>
+date_trunc(<replaceable>stride</replaceable>, <replaceable>timestamp</replaceable>, <replaceable>origin</replaceable>)
+</synopsis>

-- 
Justin



Commits

  1. Disallow negative strides in date_bin()

  2. Improve behavior of date_bin with origin in the future

  3. doc: Additional documentation for date_bin

  4. Add date_bin function