Re: '1 year' = '360 days' ????

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От
Doug McNaught
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Re: '1 year' = '360 days' ????
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87ekjpnfb4.fsf@asmodeus.mcnaught.org
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'1 year' = '360 days' ???? "Ricardo Perez Lopez" <ricpelo@hotmail.com>
Re: '1 year' = '360 days' ???? Bruno Wolff III <bruno@wolff.to>
Re: '1 year' = '360 days' ???? Tom Lane <tgl@sss.pgh.pa.us>
Re: '1 year' = '360 days' ???? Doug McNaught <doug@mcnaught.org>
Re: '1 year' = '360 days' ???? Tom Lane <tgl@sss.pgh.pa.us>
Re: '1 year' = '360 days' ???? Bruno Wolff III <bruno@wolff.to>
Re: '1 year' = '360 days' ???? Tom Lane <tgl@sss.pgh.pa.us>
Re: '1 year' = '360 days' ???? Bruno Wolff III <bruno@wolff.to>
Re: '1 year' = '360 days' ???? Bruno Wolff III <bruno@wolff.to>
Re: '1 year' = '360 days' ???? Bruno Wolff III <bruno@wolff.to>
Re: '1 year' = '360 days' ???? Tom Lane <tgl@sss.pgh.pa.us>
Re: '1 year' = '360 days' ???? Guy Fraser <guy@incentre.net>
Re: '1 year' = '360 days' ???? Pierre-Frédéric Caillaud<lists@boutiquenumerique.com>
Re: '1 year' = '360 days' ???? Michael Glaesemann <grzm@myrealbox.com>
Re: '1 year' = '360 days' ???? Tom Lane <tgl@sss.pgh.pa.us>
Re: '1 year' = '360 days' ???? Bruno Wolff III <bruno@wolff.to>
Re: '1 year' = '360 days' ???? Guy Fraser <guy@incentre.net>
Re: '1 year' = '360 days' ???? Bruno Wolff III <bruno@wolff.to>
Re: '1 year' = '360 days' ???? Gaetano Mendola <mendola@bigfoot.com>
Re: '1 year' = '360 days' ???? Guy Fraser <guy@incentre.net>
Tom Lane  writes:

> "Ricardo Perez Lopez"  writes:
>> I have observed that, for PostgreSQL, one year is actually 360 days:
>
>> SELECT '1 year'::timestamp = '360 days'::timestamp;
>
>> ?column?
>> -------------
>>     t
>
> Nonsense.
>
> regression=# SELECT '1 year'::timestamp = '360 days'::timestamp;
> ERROR:  invalid input syntax for type timestamp: "1 year"
>
> How about telling us what you *really* did, instead of posting faked
> examples?

FWIW:

template1=# select '1 year'::interval = '360 days'::interval;
 ?column? 
----------
 t
(1 row)

template1=# select '1 year'::interval = '365 days'::interval;
 ?column? 
----------
 f
(1 row)

template1=# select version();
                               version                               
---------------------------------------------------------------------
 PostgreSQL 7.4.5 on i686-pc-linux-gnu, compiled by GCC egcs-2.91.66
(1 row)

-Doug
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