Add deprecation warnings for cols/include_columns

* Also update docs and include test

diff --git a/Changes b/Changes
index b7b9d0f..89989f9 100644 (file)
--- a/Changes
+++ b/Changes
@@ -1,5 +1,10 @@
 Revision history for DBIx::Class
 
+unreleased
+    * Misc
+        - Deprecation warnings when using cols/include_columns resultset
+          attributes
+
 0.08209 2013-03-01 12:56 (UTC)
     * New Features / Changes
         - Debugging aid - warn on invalid result objects created by what

diff --git a/lib/DBIx/Class.pm b/lib/DBIx/Class.pm
index 99eeed9..2436447 100644 (file)
--- a/lib/DBIx/Class.pm
+++ b/lib/DBIx/Class.pm
@@ -362,6 +362,8 @@ clkao: CL Kao
 
 da5id: David Jack Olrik <djo@cpan.org>
 
+dariusj: Darius Jokilehto <dariusjokilehto@yahoo.co.uk>
+
 davewood: David Schmidt <davewood@gmx.at>
 
 debolaz: Anders Nor Berle <berle@cpan.org>

diff --git a/lib/DBIx/Class/ResultSet.pm b/lib/DBIx/Class/ResultSet.pm
index eec34b3..b64140d 100644 (file)
--- a/lib/DBIx/Class/ResultSet.pm
+++ b/lib/DBIx/Class/ResultSet.pm
@@ -439,6 +439,7 @@ sub search_rs {
 
     # older deprecated name, use only if {columns} is not there
     if (my $c = delete $new_attrs->{cols}) {
+      carp_unique( "Resultset attribute 'cols' is deprecated, use 'columns' instead" );
       if ($new_attrs->{columns}) {
         carp "Resultset specifies both the 'columns' and the legacy 'cols' attributes - ignoring 'cols'";
       }
@@ -485,8 +486,12 @@ sub _normalize_selection {
   my ($self, $attrs) = @_;
 
   # legacy syntax
-  $attrs->{'+columns'} = $self->_merge_attr($attrs->{'+columns'}, delete $attrs->{include_columns})
-    if exists $attrs->{include_columns};
+  if ( exists $attrs->{include_columns} ) {
+    carp_unique( "Resultset attribute 'include_columns' is deprecated, use '+columns' instead" );
+    $attrs->{'+columns'} = $self->_merge_attr(
+      $attrs->{'+columns'}, delete $attrs->{include_columns}
+    );
+  }
 
   # columns are always placed first, however
 
@@ -3799,7 +3804,7 @@ case the key is the C<as> value, and the value is used as the C<select>
 expression). Adds C<me.> onto the start of any column without a C<.> in
 it and sets C<select> from that, then auto-populates C<as> from
 C<select> as normal. (You may also use the C<cols> attribute, as in
-earlier versions of DBIC.)
+earlier versions of DBIC, but this is deprecated.)
 
 Essentially C<columns> does the same as L</select> and L</as>.
 
@@ -3818,10 +3823,10 @@ is the same as
 
 =back
 
-Indicates additional columns to be selected from storage. Works the same
-as L</columns> but adds columns to the selection. (You may also use the
-C<include_columns> attribute, as in earlier versions of DBIC). For
-example:-
+Indicates additional columns to be selected from storage. Works the same as
+L</columns> but adds columns to the selection. (You may also use the
+C<include_columns> attribute, as in earlier versions of DBIC, but this is
+deprecated). For example:-
 
   $schema->resultset('CD')->search(undef, {
     '+columns' => ['artist.name'],

diff --git a/t/search/deprecated_attributes.t b/t/search/deprecated_attributes.t
new file mode 100644 (file)
index 0000000..498c828
--- /dev/null
+++ b/t/search/deprecated_attributes.t
@@ -0,0 +1,25 @@
+use strict;
+use warnings;
+
+use Test::More;
+use Test::Warn;
+use lib qw(t/lib);
+use DBICTest;
+
+my $schema = DBICTest->init_schema();
+
+my $cd_rs = $schema->resultset("CD");
+
+warnings_exist( sub {
+    $cd_rs->search_rs( undef, { cols => [ { name => 'artist.name' } ], join => [ 'artist' ] })
+}, qr/Resultset attribute 'cols' is deprecated/,
+'deprecation warning when passing cols attribute');
+
+warnings_exist( sub {
+    $cd_rs->search_rs( undef, {
+        include_columns => [ { name => 'artist.name' } ], join => [ 'artist' ]
+    })
+}, qr/Resultset attribute 'include_columns' is deprecated/,
+'deprecation warning when passing include_columns attribute');
+
+done_testing;