Fix func_rs() and as_subselect_rs() to start behaving as advertised

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

diff --git a/lib/DBIx/Class/ResultSetColumn.pm b/lib/DBIx/Class/ResultSetColumn.pm
index 8d9d7a3..5b510de 100644 (file)
--- a/lib/DBIx/Class/ResultSetColumn.pm
+++ b/lib/DBIx/Class/ResultSetColumn.pm
@@ -5,7 +5,7 @@ use warnings;
 
 use base 'DBIx::Class';
 use DBIx::Class::Carp;
-use DBIx::Class::_Util 'fail_on_internal_wantarray';
+use DBIx::Class::_Util qw( fail_on_internal_wantarray fail_on_internal_call );
 use namespace::clean;
 
 =head1 NAME
@@ -254,7 +254,7 @@ sub single {
   my $self = shift;
 
   my $attrs = $self->_resultset->_resolved_attrs;
-  my ($row) = $self->_resultset->result_source->storage->select_single(
+  my ($row) = $self->_resultset->result_source->schema->storage->select_single(
     $attrs->{from}, $attrs->{select}, $attrs->{where}, $attrs
   );
 
@@ -278,8 +278,9 @@ resultset (or C<undef> if there are none).
 
 =cut
 
-sub min {
-  return shift->func('MIN');
+sub min :DBIC_method_is_indirect_sugar {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  $_[0]->func('MIN');
 }
 
 =head2 min_rs
@@ -298,7 +299,10 @@ Wrapper for ->func_rs for function MIN().
 
 =cut
 
-sub min_rs { return shift->func_rs('MIN') }
+sub min_rs :DBIC_method_is_indirect_sugar {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  $_[0]->func_rs('MIN')
+}
 
 =head2 max
 
@@ -317,8 +321,9 @@ resultset (or C<undef> if there are none).
 
 =cut
 
-sub max {
-  return shift->func('MAX');
+sub max :DBIC_method_is_indirect_sugar {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  $_[0]->func('MAX');
 }
 
 =head2 max_rs
@@ -337,7 +342,10 @@ Wrapper for ->func_rs for function MAX().
 
 =cut
 
-sub max_rs { return shift->func_rs('MAX') }
+sub max_rs :DBIC_method_is_indirect_sugar {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  $_[0]->func_rs('MAX')
+}
 
 =head2 sum
 
@@ -356,8 +364,9 @@ the resultset. Use on varchar-like columns at your own risk.
 
 =cut
 
-sub sum {
-  return shift->func('SUM');
+sub sum :DBIC_method_is_indirect_sugar {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  $_[0]->func('SUM');
 }
 
 =head2 sum_rs
@@ -376,7 +385,10 @@ Wrapper for ->func_rs for function SUM().
 
 =cut
 
-sub sum_rs { return shift->func_rs('SUM') }
+sub sum_rs :DBIC_method_is_indirect_sugar {
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_INDIRECT_CALLS and fail_on_internal_call;
+  $_[0]->func_rs('SUM')
+}
 
 =head2 func
 
@@ -436,7 +448,21 @@ sub func_rs {
     $rs = $rs->as_subselect_rs;
   }
 
-  $rs->search( undef, {
+  # FIXME - remove at some point in the future (2018-ish)
+  wantarray
+    and
+  carp_unique(
+    'Starting with DBIC@0.082900 func_rs() always returns a ResultSet '
+  . 'instance regardless of calling context. Please force scalar() context to '
+  . 'silence this warning'
+  )
+    and
+  DBIx::Class::_ENV_::ASSERT_NO_INTERNAL_WANTARRAY
+    and
+  my $sog = fail_on_internal_wantarray
+  ;
+
+  $rs->search_rs( undef, {
     columns => { $self->{_as} => { $function => $select } }
   } );
 }
@@ -491,7 +517,7 @@ sub _resultset {
         # collapse the selector to a literal so that it survives the distinct parse
         # if it turns out to be an aggregate - at least the user will get a proper exception
         # instead of silent drop of the group_by altogether
-        $select = \[ $rsrc->storage->sql_maker->_recurse_fields($select) ];
+        $select = \[ $rsrc->schema->storage->sql_maker->_recurse_fields($select) ];
       }
     }