"Aaron Bono" <[EMAIL PROTECTED]> writes:
> Use:
> select start_date + (cast(number_of_days as text) || ' days')::interval from
> blah
This is a pretty awful way to do it, much better is
select start_date + number_of_days * '1 day'::interval ...
which reduces to basically one multiplication instead of conversion to
text, text string append, parse interval string value (relying on a
couple of undocumented cast abilities).
But the real question here is whether you actually want sub-day
precision in your result. Should the column have been 'date' rather
than 'timestamp' to begin with? If not, what behavior are you expecting
at DST boundaries?
regards, tom lane
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TIP 2: Don't 'kill -9' the postmaster
