From 897c377bad1cb5aa0c35e86c677e6b51cd3da2ac Mon Sep 17 00:00:00 2001 From: schneems Date: Thu, 30 Aug 2018 09:57:01 -0500 Subject: Do not recompute length We can get a speed gain by moving the length calculation and assignment out of the loop. --- activerecord/lib/active_record/result.rb | 4 ++-- 1 file changed, 2 insertions(+), 2 deletions(-) (limited to 'activerecord') diff --git a/activerecord/lib/active_record/result.rb b/activerecord/lib/active_record/result.rb index 7f1c2fd7eb..3b2556b1c8 100644 --- a/activerecord/lib/active_record/result.rb +++ b/activerecord/lib/active_record/result.rb @@ -140,6 +140,8 @@ module ActiveRecord # We freeze the strings to prevent them getting duped when # used as keys in ActiveRecord::Base's @attributes hash columns = @columns.map(&:-@) + length = columns.length + @rows.map { |row| # In the past we used Hash[columns.zip(row)] # though elegant, the verbose way is much more efficient @@ -148,8 +150,6 @@ module ActiveRecord hash = {} index = 0 - length = columns.length - while index < length hash[columns[index]] = row[index] index += 1 -- cgit v1.2.3