MyApp::Sets:
  my @res = Peeron2::Sets->search_where({ID => "8880-1"});

Class::DBI::AbstractSearch->search_where:
  return $class->retrieve_from_sql("( id = ? )", "8880-1"); # 

Class::DBI->retrieve_from_sql:
  $class->sth_to_objects($class->sql_Retrieve("id = ?")), ["8880-1"]);

Class::DBI->sth_to_objects:
  $sth->execute("8880-1") unless $sth->{Active};