Tom Lane wrote:
> Alvaro Herrera <[EMAIL PROTECTED]> writes:
> > Is there a better way than going to time_t and back?
> Isn't the standard SQL-level locution
>       timestamptz + numeric_value * '1 second'::interval
> ?  I'm not sure what would be the most convenient realization
> of this at the C level, but please stay away from time_t ...

Yes, it is, but we would have to be calling interval input,
interval-times-integer, then interval-plus-timestamp, each time we
scheduled a worker (to calculate the "time of next worker start"), which
sounds like too much work ... an idea would be to store the result of
interval input and multiplication, and recalculate each time we got

But then, maybe this is premature optimization on my part.  I'll write
it in the natural form for now, and then we'll see if we should rewrite
it; and then, maybe it's easier to write something equivalent to
TimestampDifference ...

Alvaro Herrera                      
The PostgreSQL Company - Command Prompt, Inc.

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