-package DBIx::Class::Relationship::CascadeActions;
+package # hide from PAUSE
+ DBIx::Class::Relationship::CascadeActions;
+
+use strict;
+use warnings;
+use DBIx::Class::Carp;
+
+our %_pod_inherit_config =
+ (
+ class_map => { 'DBIx::Class::Relationship::CascadeActions' => 'DBIx::Class::Relationship' }
+ );
sub delete {
my ($self, @rest) = @_;
# be handling this anyway. Assuming we have joins we probably actually
# *could* do them, but I'd rather not.
- my $ret = $self->next::method(@rest);
-
- my %rels = %{ $self->_relationships };
+ my $source = $self->result_source;
+ my %rels = map { $_ => $source->relationship_info($_) } $source->relationships;
my @cascade = grep { $rels{$_}{attrs}{cascade_delete} } keys %rels;
- foreach my $rel (@cascade) {
- $self->search_related($rel)->delete;
+
+ if (@cascade) {
+ my $guard = $source->schema->txn_scope_guard;
+
+ my $ret = $self->next::method(@rest);
+
+ foreach my $rel (@cascade) {
+ if( my $rel_rs = eval{ $self->search_related($rel) } ) {
+ $rel_rs->delete_all;
+ } else {
+ carp "Skipping cascade delete on relationship '$rel' - related resultsource '$rels{$rel}{class}' is not registered with this schema";
+ next;
+ }
+ }
+
+ $guard->commit;
+ return $ret;
}
- return $ret;
+
+ $self->next::method(@rest);
}
sub update {
return $self->next::method(@rest) unless ref $self;
# Because update cascades on a class *really* don't make sense!
- my $ret = $self->next::method(@rest);
-
- my %rels = %{ $self->_relationships };
+ my $source = $self->result_source;
+ my %rels = map { $_ => $source->relationship_info($_) } $source->relationships;
my @cascade = grep { $rels{$_}{attrs}{cascade_update} } keys %rels;
- foreach my $rel (@cascade) {
- $_->update for $self->$rel;
+
+ if (@cascade) {
+ my $guard = $source->schema->txn_scope_guard;
+
+ my $ret = $self->next::method(@rest);
+
+ foreach my $rel (@cascade) {
+ next if (
+ $rels{$rel}{attrs}{accessor}
+ &&
+ $rels{$rel}{attrs}{accessor} eq 'single'
+ &&
+ !exists($self->{_relationship_data}{$rel})
+ );
+ $_->update for grep defined, $self->$rel;
+ }
+
+ $guard->commit;
+ return $ret;
}
- return $ret;
+
+ $self->next::method(@rest);
}
1;