diff options
Diffstat (limited to 'activerecord')
| -rw-r--r-- | activerecord/lib/active_record/named_scope.rb | 6 | ||||
| -rw-r--r-- | activerecord/test/cases/named_scope_test.rb | 15 |
2 files changed, 20 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/named_scope.rb b/activerecord/lib/active_record/named_scope.rb index 7397d70279..d7e152ed1d 100644 --- a/activerecord/lib/active_record/named_scope.rb +++ b/activerecord/lib/active_record/named_scope.rb @@ -101,7 +101,7 @@ module ActiveRecord class Scope attr_reader :proxy_scope, :proxy_options - NON_DELEGATE_METHODS = %w(nil? send object_id class extend find count sum average maximum minimum paginate first last empty? any? respond_to?).to_set + NON_DELEGATE_METHODS = %w(nil? send object_id class extend find size count sum average maximum minimum paginate first last empty? any? respond_to?).to_set [].methods.each do |m| unless m =~ /^__/ || NON_DELEGATE_METHODS.include?(m.to_s) delegate m, :to => :proxy_found @@ -136,6 +136,10 @@ module ActiveRecord end end + def size + @found ? @found.length : count + end + def empty? @found ? @found.empty? : count.zero? end diff --git a/activerecord/test/cases/named_scope_test.rb b/activerecord/test/cases/named_scope_test.rb index acc3b3016a..444debd255 100644 --- a/activerecord/test/cases/named_scope_test.rb +++ b/activerecord/test/cases/named_scope_test.rb @@ -256,4 +256,19 @@ class NamedScopeTest < ActiveRecord::TestCase def test_should_use_where_in_query_for_named_scope assert_equal Developer.find_all_by_name('Jamis'), Developer.find_all_by_id(Developer.jamises) end + + def test_size_should_use_count_when_results_are_not_loaded + topics = Topic.base + assert_queries(1) do + assert_sql(/COUNT/i) { topics.size } + end + end + + def test_size_should_use_length_when_results_are_loaded + topics = Topic.base + topics.reload # force load + assert_no_queries do + topics.size # use loaded (no query) + end + end end |