PostgreSQL: 7.4.5
PgAdmin III 1.2.0 Beta 2 (Sep 24, 2004)
When viewing data via the grid, either by clicking the glasses or right
mouse clicking and selecting view data, on a table that is built without
OIDs, the following error message shows:
ERROR: operator does not exist: - oid
HINT: No operator matches the given name and argument type(s). You may
need to add explicit type casts
This error does not occur when executing a query to show data
This error does not occur using PostgreSQL 8.0 beta2