Remove deprecated ActiveRecord::Result#to_hash method

activerecord/CHANGELOG.md

@@ -1,3 +1,7 @@
+*   Remove deprecated `ActiveRecord::Result#to_hash` method.
+
+    *Rafael Mendonça França*
+
 *   Deprecate `ActiveRecord::Base.allow_unsafe_raw_sql`.
 
     *Rafael Mendonça França*

activerecord/lib/active_record/result.rb

@@ -65,14 +65,6 @@ module ActiveRecord
       end
     end
 
-    def to_hash
-      ActiveSupport::Deprecation.warn(<<-MSG.squish)
-        `ActiveRecord::Result#to_hash` has been renamed to `to_a`.
-        `to_hash` is deprecated and will be removed in Rails 6.1.
-      MSG
-      to_a
-    end
-
     alias :map! :map
     alias :collect! :map
     deprecate "map!": :map

activerecord/test/cases/result_test.rb

@@ -51,16 +51,6 @@ module ActiveRecord
       ], result.to_a
     end
 
-    test "to_hash (deprecated) returns row_hashes" do
-      assert_deprecated do
-        assert_equal [
-          { "col_1" => "row 1 col 1", "col_2" => "row 1 col 2" },
-          { "col_1" => "row 2 col 1", "col_2" => "row 2 col 2" },
-          { "col_1" => "row 3 col 1", "col_2" => "row 3 col 2" },
-        ], result.to_hash
-      end
-    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)

guides/source/6_1_release_notes.md

@@ -149,6 +149,8 @@ Please refer to the [Changelog][active-record] for detailed changes.
 
 ### Removals
 
+*   Remove deprecated `ActiveRecord::Result#to_hash` method.
+
 *   Remove deprecated support for using unsafe raw SQL in `ActiveRecord::Relation` methods.
 
 ### Deprecations