Yes, that's correct. 'rs' option allows you to do a SELECT on the specified columns when you use query_sth. It will do a 'SELECT COL1,COL2 FROM ...' (assuming that rs option equals 'COL1,COL2') instead of doing 'SELECT * FROM ...' as default.
Cheers,
Jean
Gossamer Threads Inc.
Cheers,
Jean
Gossamer Threads Inc.