Re: BUG #1927: incorrect timestamp returned

Tom Lane wrote:
> Bruce Momjian <pgman@candle.pha.pa.us> writes:
> > Right.  We allow leap seconds for any date/time.  Are you saying we
> > should only allow them for certain dates/times?
>
> No, his point is the funny roundoff behavior.
>
> regression=# select timestamp '2005-09-23 23:59:59.999999';
>          timestamp
> ----------------------------
>  2005-09-23 23:59:59.999999
> (1 row)
>
> regression=# select timestamp '2005-09-23 23:59:59.9999999';
>        timestamp
> ------------------------
>  2005-09-23 23:59:60.00
> (1 row)
>
> regression=# select timestamp '2005-09-23 23:59:59.99999999';
>       timestamp
> ---------------------
>  2005-09-24 00:00:00
> (1 row)

Wow, that is funny roundoff behavior.  Has anyone researched the cause?

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