DBIx::Class::PK - Primary Key class
This class contains methods for handling primary keys and methods depending on them.
Re-selects the row from the database,
losing any changes that had been made.
Returns the primary key(s) for a row.
Can't be called as a class method.
Returns a unique id string identifying a row object by primary key.
Used by DBIx::Class::CDBICompat::LiveObjectIndex and DBIx::Class::ObjectCache.
You may distribute this code under the same terms as Perl itself.