| From: | "Milen A(dot) Radev" <milen(at)radev(dot)net> |
|---|---|
| To: | pgsql-sql(at)postgresql(dot)org |
| Subject: | Re: Interval subtracting |
| Date: | 2006-02-18 14:24:39 |
| Message-ID: | 43F72E27.2060408@radev.net |
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| Lists: | pgsql-hackers pgsql-patches pgsql-sql |
Milorad Poluga написа:
> Hi all,
>
> Is there something incorrect in the above query ?
> SELECT '10 years 1 mons 1 days'::interval - '9 years 10 mons 15 days'::interval
>
> ?column?
> ---------------
> 3 mons -14 days
>
> Why not '2 mons 16 days' ?
>
> /version = PostgreSQL 8.0.4 on i686-pc-linux-gnu, compiled by GCC gcc (GCC) 3.4.2 20041017 (Red Hat 3.4.2-6.fc3) /
How many days are there in a month?
--
Milen A. Radev
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