Restore ability to handle underdefined root (t/prefetch/incomplete.t)

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / ResultSetColumn.pm

diff --git a/lib/DBIx/Class/ResultSetColumn.pm b/lib/DBIx/Class/ResultSetColumn.pm
index abe6189..a3ab2cc 100644 (file)
--- a/lib/DBIx/Class/ResultSetColumn.pm
+++ b/lib/DBIx/Class/ResultSetColumn.pm
@@ -5,7 +5,6 @@ use warnings;
 
 use base 'DBIx::Class';
 use DBIx::Class::Carp;
-use DBIx::Class::Exception;
 
 # not importing first() as it will clash with our own method
 use List::Util ();
@@ -94,7 +93,7 @@ sub new {
 
   # {collapse} would mean a has_many join was injected, which in turn means
   # we need to group *IF WE CAN* (only if the column in question is unique)
-  if (!$orig_attrs->{group_by} && keys %{$orig_attrs->{collapse}}) {
+  if (!$orig_attrs->{group_by} && $orig_attrs->{collapse}) {
 
     if ($colmap->{$select} and $rsrc->_identifying_column_set([$colmap->{$select}])) {
       $new_attrs->{group_by} = [ $select ];
@@ -118,7 +117,7 @@ sub new {
 
 =item Arguments: none
 
-=item Return Value: \[ $sql, @bind ]
+=item Return Value: \[ $sql, L<@bind_values|DBIx::Class::ResultSet/DBIC BIND VALUES> ]
 
 =back
 
@@ -438,7 +437,7 @@ See L<DBIx::Class::Schema/throw_exception> for details.
 =cut
 
 sub throw_exception {
-  my $self=shift;
+  my $self = shift;
 
   if (ref $self && $self->{_parent_resultset}) {
     $self->{_parent_resultset}->throw_exception(@_);