From f3ebbeae6eb647767ccd49e25821b1ba33923596 Mon Sep 17 00:00:00 2001 From: Aaron Patterson Date: Tue, 21 May 2013 11:01:19 -0700 Subject: avoid creating a set if no where values are removed --- activerecord/lib/active_record/relation/merger.rb | 2 ++ 1 file changed, 2 insertions(+) (limited to 'activerecord/lib') diff --git a/activerecord/lib/active_record/relation/merger.rb b/activerecord/lib/active_record/relation/merger.rb index a65ef1898a..c114ea0c0d 100644 --- a/activerecord/lib/active_record/relation/merger.rb +++ b/activerecord/lib/active_record/relation/merger.rb @@ -131,6 +131,8 @@ module ActiveRecord end def filter_binds(lhs_binds, removed_wheres) + return lhs_binds if removed_wheres.empty? + set = Set.new removed_wheres.map { |x| x.left.name } lhs_binds.dup.delete_if { |col,_| set.include? col.name } end -- cgit v1.2.3