index on int8 type

When I create a table with INT8 as the type of the primary key field,
PGSQL still uses sequential scans on the table when I select by primary
key.

I currently have version 6.5.3.

Does version 7.0.2 allow indexing on INT8 types?

Keith L. Musser
Integrated Dynamics, Inc.
812-371-7777
email: kmusser@idisys.com