reverted previous deploy change(r8255) - sorry matt, i wont break it again
[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / Relationship / HasMany.pm
CommitLineData
75d07914 1package # hide from PAUSE
c0e7b4e5 2 DBIx::Class::Relationship::HasMany;
07037f89 3
4use strict;
5use warnings;
6
7sub has_many {
8 my ($class, $rel, $f_class, $cond, $attrs) = @_;
c037c03a 9
dcf8330b 10 unless (ref $cond) {
fd4df975 11 $class->ensure_class_loaded($f_class);
103647d5 12 my ($pri, $too_many) = $class->primary_columns;
fd4df975 13
14 $class->throw_exception(
15 "has_many can only infer join for a single primary key; ".
16 "${class} has more"
17 ) if $too_many;
aeb1bf75 18
19 my ($f_key,$guess);
07037f89 20 if (defined $cond && length $cond) {
21 $f_key = $cond;
dcf8330b 22 $guess = "caller specified foreign key '$f_key'";
07037f89 23 } else {
24 $class =~ /([^\:]+)$/;
dcf8330b 25 $f_key = lc $1; # go ahead and guess; best we can do
26 $guess = "using our class name '$class' as foreign key";
07037f89 27 }
aeb1bf75 28
29 my $f_class_loaded = eval { $f_class->columns };
303cf522 30 $class->throw_exception(
31 "No such column ${f_key} on foreign class ${f_class} ($guess)"
32 ) if $f_class_loaded && !$f_class->has_column($f_key);
aeb1bf75 33
8e04bf91 34 $cond = { "foreign.${f_key}" => "self.${pri}" };
07037f89 35 }
36
303cf522 37 $class->add_relationship($rel, $f_class, $cond, {
38 accessor => 'multi',
39 join_type => 'LEFT',
40 cascade_delete => 1,
41 cascade_copy => 1,
42 %{$attrs||{}}
43 });
07037f89 44}
45
461;