diff options
-rw-r--r-- | activerecord/lib/active_record/relation/finder_methods.rb | 2 | ||||
-rw-r--r-- | activerecord/test/cases/finder_test.rb | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/activerecord/lib/active_record/relation/finder_methods.rb b/activerecord/lib/active_record/relation/finder_methods.rb index 824a88ffc4..21a99800fe 100644 --- a/activerecord/lib/active_record/relation/finder_methods.rb +++ b/activerecord/lib/active_record/relation/finder_methods.rb @@ -106,7 +106,7 @@ module ActiveRecord # Person.last # returns the last object fetched by SELECT * FROM people # Person.where(["user_name = ?", user_name]).last # Person.order("created_on DESC").offset(5).last - # Person.last(3) # returns the last three objects fetched by SELECT * FROM people. + # Person.last(3) # returns the last three objects fetched by SELECT * FROM people. # # Take note that in that last case, the results are sorted in ascending order: # diff --git a/activerecord/test/cases/finder_test.rb b/activerecord/test/cases/finder_test.rb index 8c16972c12..78da8778f0 100644 --- a/activerecord/test/cases/finder_test.rb +++ b/activerecord/test/cases/finder_test.rb @@ -45,6 +45,12 @@ class FinderTest < ActiveRecord::TestCase assert_raise(NoMethodError) { Topic.exists?([1,2]) } end + def test_exists_does_not_select_columns_without_alias + assert_sql(/SELECT\W+1 AS _one FROM ["`]topics["`]\W+LIMIT 1/) do + Topic.exists? + end + end + def test_exists_returns_true_with_one_record_and_no_args assert Topic.exists? end |