Revert "Add readonly support for relations."

This reverts commit 7cce95b25ace33e04526d4490e487a080c1f9b96.

2 files changed, 2 insertions, 17 deletions

diff --git a/activerecord/lib/active_record/base.rb b/activerecord/lib/active_record/base.rb
index 402d68c36e..c11c049415 100755
--- a/activerecord/lib/active_record/base.rb
+++ b/activerecord/lib/active_record/base.rb
@@ -1722,7 +1722,7 @@ module ActiveRecord #:nodoc:
 
         def construct_finder_arel(options = {}, scope = scope(:find))
           # TODO add lock to Arel
-          relation = arel_table(options[:from]).
+          arel_table(options[:from]).
             joins(construct_join(options[:joins], scope)).
             conditions(construct_conditions(options[:conditions], scope)).
             select(options[:select] || (scope && scope[:select]) || default_select(options[:joins] || (scope && scope[:joins]))).
@@ -1730,11 +1730,6 @@ module ActiveRecord #:nodoc:
             order(construct_order(options[:order], scope)).
             limit(construct_limit(options[:limit], scope)).
             offset(construct_offset(options[:offset], scope))
-
-          relation = relation.readonly if options[:readonly]
-
-          relation
-
         end
 
         def construct_finder_sql(options, scope = scope(:find))
diff --git a/activerecord/lib/active_record/relation.rb b/activerecord/lib/active_record/relation.rb
index 4b53857d36..570ba3f80d 100644
--- a/activerecord/lib/active_record/relation.rb
+++ b/activerecord/lib/active_record/relation.rb
@@ -5,20 +5,10 @@ module ActiveRecord
 
     def initialize(klass, relation)
       @klass, @relation = klass, relation
-      @readonly = false
-    end
-
-    def readonly
-      @readonly = true
-      self
     end
 
     def to_a
-      records = @klass.find_by_sql(@relation.to_sql)
-
-      records.each { |record| record.readonly! } if @readonly
-
-      records
+      @klass.find_by_sql(@relation.to_sql)
     end
 
     def each(&block)