В сообщении от Monday 09 June 2008 17:52:24 Dennis Cote написал(а):
> If you
> consider dates to be equal when the two dates are the same to within one
> second, then you could use that value as your maximum difference. Since
> a julian day number has units of days, you can use a value of 1/86400
> days (i.e. 1 second) as your epsilon value. The same value can be used
> to test for less than as you are doing in your query. The save_date is
> less than the specified value if the difference is greater than this
> epsilon value.
>
>    select save_date
>    from photo_tags
>    where 2454612.21079943 - save_date > 1/86400;

Well, but what is precision of sqlite timer?
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