1 package # hide from PAUSE
2 DBIx::Class::Relationship::HasMany;
7 our %_pod_inherit_config =
9 class_map => { 'DBIx::Class::Relationship::HasMany' => 'DBIx::Class::Relationship' }
13 my ($class, $rel, $f_class, $cond, $attrs) = @_;
16 $class->ensure_class_loaded($f_class);
17 my ($pri, $too_many) = $class->primary_columns;
19 $class->throw_exception(
20 "has_many can only infer join for a single primary key; ".
24 $class->throw_exception(
25 "has_many needs a primary key to infer a join; ".
27 ) if !defined $pri && (!defined $cond || !length $cond);
30 if (defined $cond && length $cond) {
32 $guess = "caller specified foreign key '$f_key'";
34 $class =~ /([^\:]+)$/;
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 = eval { $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 $class->add_relationship($rel, $f_class, $cond, {