Re: 8.3: timestamp subtraction

On Sat, May 23, 2009 at 7:18 AM, Christophe  wrote:
>
> On May 23, 2009, at 9:13 AM, Daniel Verite wrote:
>>>
>>> I don't know why this query returns false:
>>> SELECT '20040506 070809.010000'::timestamp(6) - '20010203
>>> 040506.007000'::timestamp(6) = '1188 day 3 hour 3 minute 3 second 3
>>> millisecond'::interval;
>>> If I just subtract the two timestamps, its result is the interval I
>>> specified.
>>> What may cause this?
>>
>> It works for me:
>>
>> test=> SELECT '20040506 070809.010000'::timestamp(6) -
>> '20010203 040506.007000'::timestamp(6)=
>> '1188 day 3 hour 3 minute 3 second 3 millisecond'::interval;
>> ?column? ----------
>> t
>> (1 row)
>
> Could this be due to the OP's build of PG using floating point timestamps?

That's what I'm thinking.