| From: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
|---|---|
| To: | Alvaro Herrera <alvherre(at)commandprompt(dot)com> |
| Cc: | Robert Haas <robertmhaas(at)gmail(dot)com>, Brendan Jurd <direvus(at)gmail(dot)com>, Josh Berkus <josh(at)agliodbs(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org> |
| Subject: | Re: Integer input functions for date and timestamp |
| Date: | 2010-10-22 20:27:14 |
| Message-ID: | 1287778800-sup-4683@alvh.no-ip.org |
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| Thread: | |
| Lists: | pgsql-hackers |
Excerpts from Alvaro Herrera's message of vie oct 22 17:13:31 -0300 2010:
> Excerpts from Robert Haas's message of vie oct 22 16:54:01 -0300 2010:
>
> > Ooh, I like it. A related personal pet peeve of mine: AFAIK the
> > easiest way to convert from an integer number of seconds to an
> > interval representing that many seconds is:
> >
> > (the_int || ' s')::interval
>
> Why do you go through text and concatenation? I advocate this approach:
> the_int * interval '1 second'
A quick tests with pgbench custom scripts says that it's about 10%
faster.
--
Álvaro Herrera <alvherre(at)commandprompt(dot)com>
The PostgreSQL Company - Command Prompt, Inc.
PostgreSQL Replication, Consulting, Custom Development, 24x7 support
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