+ if ( $field eq 'setup' ) {
+ $exclude_change_from = 1;
+ } elsif ( $field eq 'cancel' ) {
+ $exclude_change_to = 1;
+ } elsif ( $field eq 'change_date' ) {
+ # if we are given setup and change_date ranges, and the setup date
+ # falls in _both_ ranges, then include the package whether it was
+ # a change or not
+ $exclude_change_from = 0;
+ }
+ }
+
+ if ($exclude_change_from) {
+ push @where, "change_pkgnum IS NULL";
+ }
+ if ($exclude_change_to) {
+ # a join might be more efficient here
+ push @where, "NOT EXISTS(
+ SELECT 1 FROM cust_pkg AS changed_to_pkg
+ WHERE cust_pkg.pkgnum = changed_to_pkg.change_pkgnum
+ )";