int8-datatype: possible bug

Hello all,

when I try to put a numeric 'timestamp' like 19980528112607 into an
int8-datatype I get the notice 'NOTICE:  Integer input '19980528112607'
is out of range; promoted to float' and the value is put in the database
as 9223091508918288644.
It doesn't matter if I change the value: it will allways be the magical
value 9223091508918288644.

When I use the float8-datatype it all goes well.

Is this a bug in PostgreSQL or has it something to do with
platform-specific limitations?

Thanks,

Jelle.

PostgreSQL: 6.4.2
Platform: SGI IRIX 6.2. IP22

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