Merge pull request #25507 from bquorning/optimize-for-first-result-and-remove-mysql-select_one

Remove #select_one from Mysql2Adapter

1 files changed, 10 insertions, 0 deletions

diff --git a/activerecord/test/cases/result_test.rb b/activerecord/test/cases/result_test.rb
index dec01dfa76..83dc5347e0 100644
--- a/activerecord/test/cases/result_test.rb
+++ b/activerecord/test/cases/result_test.rb
@@ -22,6 +22,16 @@ module ActiveRecord
       ], result.to_hash
     end
 
+    test "first returns first row as a hash" do
+      assert_equal(
+        {'col_1' => 'row 1 col 1', 'col_2' => 'row 1 col 2'}, result.first)
+    end
+
+    test "last returns last row as a hash" do
+      assert_equal(
+        {'col_1' => 'row 3 col 1', 'col_2' => 'row 3 col 2'}, result.last)
+    end
+
     test "each with block returns row hashes" do
       result.each do |row|
         assert_equal ['col_1', 'col_2'], row.keys