> I don't see 'interval' as a data type in the docs. Is it a single-quoted
> string? We can do converstions between the UI and storage (in both
> directions), so the type in the DDL can be whatever's best.
It is shown as the 4th item on table 8-9:
http://www.postgresql.org/docs/8.2/interactive/datatype-datetime.html
Regards,
Richard Broermsa Jr.