On 2012-04-24, rihad <rihad@mail.ru> wrote:
> As PostgreSQL stores timestamps with a fractional part, does it mean that
> WHERE f BETWEEN '2012-04-23 00:00:00' AND '2012-04-23 23:59:59' might miss
> records with values of f equal to 23:59:59.1234 or so?
yes, it does. BETWEEN doesn't work well for timestamps.
you have to do it the long way
f >= '2012-04-23 00:00:00' AND f < '2012-04-24 00:00:00'
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