On Aug 28, 2007, at 19:30 , Tom Lane wrote:
Michael Glaesemann <grzm@xxxxxxxxxxxxxxx> writes:
Note that interval '1 day' is not equal to interval '24 hours'. '1
day' can be 23 or 25 hours across daylight saving time boundaries.
When you are adding to timestamp without time zone, they *are*
interchangeable, since no daylight-savings arithmetic is involved.
Michael's right for the case of adding to timestamp with time zone,
though.
Ah, right. Thanks for pointing that out.
Michael Glaesemann
grzm seespotcode net
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