| From: | David Johnston <david(dot)g(dot)johnston(at)gmail(dot)com> |
|---|---|
| To: | Greg Stark <stark(at)mit(dot)edu> |
| Cc: | Heikki Linnakangas <hlinnakangas(at)vmware(dot)com>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>, Robert Haas <robertmhaas(at)gmail(dot)com>, Andrew Dunstan <andrew(at)dunslane(dot)net>, Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>, Tomonari Katsumata <t(dot)katsumata1122(at)gmail(dot)com>, Stephen Frost <sfrost(at)snowman(dot)net> |
| Subject: | Re: proposal: rounding up time value less than its unit. |
| Date: | 2014-09-23 20:48:32 |
| Message-ID: | CAKFQuwZB3vGZj=QgmHUC24KKGFkvPUkOq2o_AZ8yNBdi-zjeZg@mail.gmail.com |
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| Lists: | pgsql-hackers |
On Tue, Sep 23, 2014 at 3:05 PM, Greg Stark <stark(at)mit(dot)edu> wrote:
> Fwiw I agree with TL2. The simplest, least surprising behaviour to explain
> to users is to say we round to nearest and if that means we rounded to zero
> (or another special value) we throw an error. We could list the minimum
> value in pg_settings and maybe in documentation.
>
I'm not sure TL2 would agree that you are agreeing with him...
To the other point the minimum unit-less value is 1. The unit that is
applied is already listed in pg_settings and the documentation. While 0
is allowed it is more of a flag than a value.
David J.
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