Warn on signs of Moose-borkage (in case it gets to be the first new())

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

diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm
index 204b75f..60d0d92 100644 (file)
--- a/lib/DBIx/Class/ResultSet.pm
+++ b/lib/DBIx/Class/ResultSet.pm
@@ -4,9 +4,8 @@ use strict;
 use warnings;
 use base qw/DBIx::Class/;
 use DBIx::Class::Carp;
-use DBIx::Class::Exception;
 use DBIx::Class::ResultSetColumn;
-use Scalar::Util qw/blessed weaken/;
+use Scalar::Util qw/blessed weaken reftype/;
 use Try::Tiny;
 use Data::Compare (); # no imports!!! guard against insane architecture
 
@@ -390,11 +389,11 @@ sub search_rs {
   my $cache;
   my %safe = (alias => 1, cache => 1);
   if ( ! List::Util::first { !$safe{$_} } keys %$call_attrs and (
-    ! defined $_[0]
+    ! defined $call_cond
       or
-    ref $_[0] eq 'HASH' && ! keys %{$_[0]}
+    ref $call_cond eq 'HASH' && ! keys %$call_cond
       or
-    ref $_[0] eq 'ARRAY' && ! @{$_[0]}
+    ref $call_cond eq 'ARRAY' && ! @$call_cond
   )) {
     $cache = $self->get_cache;
   }
@@ -1592,18 +1591,22 @@ sub _count_subq_rs {
 
       my ($lquote, $rquote, $sep) = map { quotemeta $_ } ($sql_maker->_quote_chars, $sql_maker->name_sep);
 
-      my $sql = $sql_maker->_parse_rs_attrs ({ having => $attrs->{having} });
+      my $having_sql = $sql_maker->_parse_rs_attrs ({ having => $attrs->{having} });
+      my %seen_having;
 
       # search for both a proper quoted qualified string, for a naive unquoted scalarref
       # and if all fails for an utterly naive quoted scalar-with-function
-      while ($sql =~ /
+      while ($having_sql =~ /
         $rquote $sep $lquote (.+?) $rquote
           |
         [\s,] \w+ \. (\w+) [\s,]
           |
         [\s,] $lquote (.+?) $rquote [\s,]
       /gx) {
-        push @parts, ($1 || $2 || $3);  # one of them matched if we got here
+        my $part = $1 || $2 || $3;  # one of them matched if we got here
+        unless ($seen_having{$part}++) {
+          push @parts, $part;
+        }
       }
     }
 
@@ -2321,15 +2324,29 @@ sub new_result {
 
   my ($merged_cond, $cols_from_relations) = $self->_merge_with_rscond($values);
 
-  my %new = (
+  my $new = $self->result_class->new({
     %$merged_cond,
-    @$cols_from_relations
+    ( @$cols_from_relations
       ? (-cols_from_relations => $cols_from_relations)
-      : (),
+      : ()
+    ),
     -result_source => $self->result_source, # DO NOT REMOVE THIS, REQUIRED
-  );
+  });
+
+  if (
+    reftype($new) eq 'HASH'
+      and
+    ! keys %$new
+      and
+    blessed($new)
+  ) {
+    carp_unique (sprintf (
+      "%s->new returned a blessed empty hashref - a strong indicator something is wrong with its inheritance chain",
+      $self->result_class,
+    ));
+  }
 
-  return $self->result_class->new(\%new);
+  $new;
 }
 
 # _merge_with_rscond