Re: Oddity with extract microseconds?

From: Christopher Kings-Lynne <chriskl(at)familyhealth(dot)com(dot)au>
To: Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>
Cc: Bruce Momjian <pgman(at)candle(dot)pha(dot)pa(dot)us>, PostgreSQL-development <pgsql-hackers(at)postgresql(dot)org>
Subject: Re: Oddity with extract microseconds?
Date: 2005-12-07 01:43:30
Message-ID: 43963E42.8010408@familyhealth.com.au
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>>Why aren't 'minutes' considered too? Because they aren't 'seconds'.
>>Well, seconds aren't microseconds either.
>
> Yeah, they are: it's just one field. The other way of looking at it
> (that everything is seconds) is served by "extract(epoch)".

Well, it's different in MySQL unfortunately - what does the standard
say? Out of interest, can someone try this for me in MySQL 5:

SELECT EXTRACT (MICROSECOND FROM '2003-01-02 10:30:00.00123');
SELECT EXTRACT (MICROSECOND FROM '2003-01-02 10:30:10.00123');

Chris

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