Merge pull request #33051 from SamSaffron/master

PERF: avoid allocating column names where possible

2 files changed, 2 insertions, 2 deletions

diff --git a/activerecord/lib/active_record/attribute_methods.rb b/activerecord/lib/active_record/attribute_methods.rb
index 83b5a5e698..e4b8b1a330 100644
--- a/activerecord/lib/active_record/attribute_methods.rb
+++ b/activerecord/lib/active_record/attribute_methods.rb
@@ -26,7 +26,7 @@ module ActiveRecord
       def self.set_name_cache(name, value)
         const_name = "ATTR_#{name}"
         unless const_defined? const_name
-          const_set const_name, value.dup.freeze
+          const_set const_name, -value
         end
       end
     }
diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb
index e54e8086dd..11626c8e31 100644
--- a/activerecord/lib/active_record/result.rb
+++ b/activerecord/lib/active_record/result.rb
@@ -125,7 +125,7 @@ module ActiveRecord
           begin
             # We freeze the strings to prevent them getting duped when
             # used as keys in ActiveRecord::Base's @attributes hash
-            columns = @columns.map { |c| c.dup.freeze }
+            columns = @columns.map(&:-@)
             @rows.map { |row|
               # In the past we used Hash[columns.zip(row)]
               #  though elegant, the verbose way is much more efficient