Cleanup of stale constructor codepath comments

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

diff --git a/lib/DBIx/Class/Row.pm b/lib/DBIx/Class/Row.pm
index ea6ea09..51b5325 100644 (file)
--- a/lib/DBIx/Class/Row.pm
+++ b/lib/DBIx/Class/Row.pm
@@ -357,9 +357,11 @@ sub insert {
       # this ensures we fire store_column only once
       # (some asshats like overriding it)
       if (
-        (! defined $current_rowdata{$_})
+        (!exists $current_rowdata{$_})
           or
-        ( $current_rowdata{$_} ne $returned_cols->{$_})
+        (defined $current_rowdata{$_} xor defined $returned_cols->{$_})
+          or
+        (defined $current_rowdata{$_} and $current_rowdata{$_} ne $returned_cols->{$_})
       );
   }
 
@@ -466,7 +468,7 @@ to C<update>, e.g. ( { %{ $href } } )
 If the values passed or any of the column values set on the object
 contain scalar references, e.g.:
 
-  $row->last_modified(\'NOW()');
+  $row->last_modified(\'NOW()')->update();
   # OR
   $row->update({ last_modified => \'NOW()' });
 
@@ -591,7 +593,7 @@ sub delete {
 =back
 
 Throws an exception if the column name given doesn't exist according
-to L</has_column>.
+to L<has_column|DBIx::Class::ResultSource/has_column>.
 
 Returns a raw column value from the row object, if it has already
 been fetched from the database or set by an accessor.
@@ -1137,41 +1139,28 @@ sub inflate_result {
 
   foreach my $pre (keys %{$prefetch||{}}) {
 
-    my $pre_source = $source->related_source($pre)
-      or $class->throw_exception("Can't prefetch non-existent relationship ${pre}");
+    my @pre_vals;
+    @pre_vals = (ref $prefetch->{$pre}[0] eq 'ARRAY')
+      ? @{$prefetch->{$pre}} : $prefetch->{$pre}
+    if @{$prefetch->{$pre}};
 
-    my $accessor = $source->relationship_info($pre)->{attrs}{accessor}
-      or $class->throw_exception("No accessor for prefetched $pre");
+    my $pre_source = $source->related_source($pre);
 
-    my @pre_vals;
-    if (ref $prefetch->{$pre}[0] eq 'ARRAY') {
-      @pre_vals = @{$prefetch->{$pre}};
-    }
-    elsif ($accessor eq 'multi') {
-      $class->throw_exception("Implicit prefetch (via select/columns) not supported with accessor 'multi'");
-    }
-    else {
-      @pre_vals = $prefetch->{$pre};
-    }
+    my $accessor = $source->relationship_info($pre)->{attrs}{accessor}
+      or $class->throw_exception("No accessor type declared for prefetched relationship '$pre'");
 
     my @pre_objects;
     for my $me_pref (@pre_vals) {
 
-        # FIXME - this should not be necessary
-        # the collapser currently *could* return bogus elements with all
-        # columns set to undef
-        my $has_def;
-        for (values %{$me_pref->[0]}) {
-          if (defined $_) {
-            $has_def++;
-            last;
-          }
-        }
-        next unless $has_def;
+      # FIXME SUBOPTIMAL - the new row parsers can very well optimize
+      # this away entirely, and *never* return such empty rows.
+      # For now we maintain inflate_result API backcompat, see
+      # t/resultset/inflate_result_api.t
+      next unless first { defined $_ } values %{$me_pref->[0]};
 
-        push @pre_objects, $pre_source->result_class->inflate_result(
-          $pre_source, @$me_pref
-        );
+      push @pre_objects, $pre_source->result_class->inflate_result(
+        $pre_source, @$me_pref
+      );
     }
 
     if ($accessor eq 'single') {
@@ -1430,7 +1419,6 @@ sub discard_changes {
   }
 }
 
-
 =head2 throw_exception
 
 See L<DBIx::Class::Schema/throw_exception>.