http://qs321.pair.com?node_id=11116567


in reply to Re^3: Create parallel database handles or SQL statements for multi-threaded/process access to Postgres DB using DBI, DBD::Pg and Parallel::ForkManager
in thread Create parallel database handles or SQL statements for multi-threaded/process access to Postgres DB using DBI, DBD::Pg and Parallel::ForkManager

Thanks. I think I understand what that does, but the unique requirement is not on just one field, it is on the whole record. That is, the collection of all field values comprises a UNIQUE combination, and there must not be any other rows with that exact same combination of values.