1 package # hide from PAUSE
2 DBIx::Class::Relationship::HasMany;
9 our %_pod_inherit_config =
11 class_map => { 'DBIx::Class::Relationship::HasMany' => 'DBIx::Class::Relationship' }
15 my ($class, $rel, $f_class, $cond, $attrs) = @_;
18 $class->ensure_class_loaded($f_class);
19 my ($pri, $too_many) = try { $class->result_source_instance->_pri_cols_or_die }
21 $class->throw_exception("Can't infer join condition for '$rel' on ${class}: $_");
24 $class->throw_exception(
25 "has_many can only infer join for a single primary key; ".
30 if (defined $cond && length $cond) {
32 $guess = "caller specified foreign key '$f_key'";
34 $class =~ /([^\:]+)$/; # match is safe - $class can't be ''
35 $f_key = lc $1; # go ahead and guess; best we can do
36 $guess = "using our class name '$class' as foreign key";
39 my $f_class_loaded = try { $f_class->columns };
40 $class->throw_exception(
41 "No such column '$f_key' on foreign class ${f_class} ($guess)"
42 ) if $f_class_loaded && !$f_class->has_column($f_key);
44 $cond = { "foreign.${f_key}" => "self.${pri}" };
47 my $default_cascade = ref $cond eq 'CODE' ? 0 : 1;
49 $class->add_relationship($rel, $f_class, $cond, {
52 cascade_delete => $default_cascade,
53 cascade_copy => $default_cascade,