X-Git-Url: http://git.shadowcat.co.uk/gitweb/gitweb.cgi?a=blobdiff_plain;f=lib%2FDBIx%2FClass%2FRelationship%2FHasMany.pm;h=eecda46da1d2bb6e5d6b7bc0d107923c46c0f7fd;hb=2aa3f4c0bc1ce479776c96a1bc7bb44f7cfd1233;hp=f30ff50e54a8aae4dfe4e6a1e16c226c55ba5652;hpb=103647d504eeadac7d179057e9f4d5eda0cd7c1b;p=dbsrgits%2FDBIx-Class.git

diff --git a/lib/DBIx/Class/Relationship/HasMany.pm b/lib/DBIx/Class/Relationship/HasMany.pm
index f30ff50..eecda46 100644
--- a/lib/DBIx/Class/Relationship/HasMany.pm
+++ b/lib/DBIx/Class/Relationship/HasMany.pm
@@ -1,38 +1,54 @@
-package DBIx::Class::Relationship::HasMany;
+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) = @_;
-    
-  eval "require $f_class";
 
   unless (ref $cond) {
-    my ($pri, $too_many) = $class->primary_columns;
-    $class->throw( "has_many can only infer join for a single primary key; ${class} has more" )
-      if $too_many;
-    my $f_key;
-    my $f_class_loaded = eval { $f_class->columns };
-    my $guess;
+
+    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 {
-      $class =~ /([^\:]+)$/;
+      $class =~ /([^\:]+)$/;  # 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";
+      $guess = "using our class name '$class' as foreign key source";
     }
-    $class->throw("No such column ${f_key} on foreign class ${f_class} ($guess)")
-      if $f_class_loaded && !$f_class->has_column($f_key);
-    $cond = { "foreign.${f_key}" => "self.${pri}" },
+
+# 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}" };
   }
 
-  $class->add_relationship($rel, $f_class, $cond,
-                            { accessor => 'multi',
-                              join_type => 'LEFT',
-                              cascade_delete => 1,
-                              %{$attrs||{}} } );
+  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;