Fix test failure with DBD::mysql < 4.023 introduced in 729656c5

[dbsrgits/DBIx-Class.git] / lib / DBIx / Class / CDBICompat / ColumnCase.pm

diff --git a/lib/DBIx/Class/CDBICompat/ColumnCase.pm b/lib/DBIx/Class/CDBICompat/ColumnCase.pm
index a7c62a9..13bec9c 100644 (file)
--- a/lib/DBIx/Class/CDBICompat/ColumnCase.pm
+++ b/lib/DBIx/Class/CDBICompat/ColumnCase.pm
@@ -4,8 +4,6 @@ package # hide from PAUSE
 use strict;
 use warnings;
 
-use base qw/DBIx::Class/;
-
 sub _register_column_group {
   my ($class, $group, @cols) = @_;
   return $class->next::method($group => map lc, @cols);
@@ -18,18 +16,24 @@ sub add_columns {
 
 sub has_a {
     my($self, $col, @rest) = @_;
-    
+
     $self->_declare_has_a(lc $col, @rest);
     $self->_mk_inflated_column_accessor($col);
-    
+
     return 1;
 }
 
 sub has_many {
   my ($class, $rel, $f_class, $f_key, @rest) = @_;
-  return $class->next::method($rel, $f_class, ( ref($f_key) ?
-                                                          $f_key :
-                                                          lc($f_key) ), @rest);
+  return $class->next::method(
+    $rel,
+    $f_class,
+    (ref($f_key) ?
+      $f_key :
+      lc($f_key||'')
+    ),
+    @rest
+  );
 }
 
 sub get_inflated_column {