Initial Commit

database/perl/vendor/lib/DBIx/Class/Relationship/HasMany.pm

@@ -0,0 +1,54 @@
+package # hide from PAUSE
+    DBIx::Class::Relationship::HasMany;
+
+use strict;
+use warnings;
+use Try::Tiny;
+use namespace::clean;
+
+our %_pod_inherit_config =
+  (
+   class_map => { 'DBIx::Class::Relationship::HasMany' => 'DBIx::Class::Relationship' }
+  );
+
+sub has_many {
+  my ($class, $rel, $f_class, $cond, $attrs) = @_;
+
+  unless (ref $cond) {
+
+    my $pri = $class->result_source_instance->_single_pri_col_or_die;
+
+    my ($f_key,$guess);
+    if (defined $cond && length $cond) {
+      $f_key = $cond;
+      $guess = "caller specified foreign key '$f_key'";
+    } else {
+      $class =~ /([^\:]+)$/;  # match is safe - $class can't be ''
+      $f_key = lc $1; # go ahead and guess; best we can do
+      $guess = "using our class name '$class' as foreign key source";
+    }
+
+# FIXME - this check needs to be moved to schema-composition time...
+#    # only perform checks if the far side appears already loaded
+#    if (my $f_rsrc = try { $f_class->result_source_instance } ) {
+#      $class->throw_exception(
+#        "No such column '$f_key' on foreign class ${f_class} ($guess)"
+#      ) if !$f_rsrc->has_column($f_key);
+#    }
+
+    $cond = { "foreign.${f_key}" => "self.${pri}" };
+  }
+
+  my $default_cascade = ref $cond eq 'CODE' ? 0 : 1;
+
+  $class->add_relationship($rel, $f_class, $cond, {
+    accessor => 'multi',
+    join_type => 'LEFT',
+    cascade_delete => $default_cascade,
+    cascade_copy => $default_cascade,
+    is_depends_on => 0,
+    %{$attrs||{}}
+  });
+}
+
+1;