We cant make MySQL 5 happy if it means making SQLite and PostgreSQL cry. So currently MySQL 5 is not fully supported for Rails when youre using eager loading (closes #6133, #6135). I have contacted MySQL to make them fix http://bugs.mysql.com/bug.php?id=13551 [DHH]

git-svn-id: http://svn-commit.rubyonrails.org/rails/trunk@5075 5ecf4fe2-1ee6-0310-87b1-e25e094e27de

actionpack/lib/action_view/helpers/form_helper.rb

@@ -412,7 +412,7 @@ module ActionView
       class_inheritable_accessor :field_helpers
       self.field_helpers = (FormHelper.instance_methods - ['form_for'])
 
-      attr_accessor :object_name, :object
+      attr_accessor :object_name, :object, :options
 
       def initialize(object_name, object, template, options, proc)
         @object_name, @object, @template, @options, @proc = object_name, object, template, options, proc        

activerecord/CHANGELOG

@@ -1,7 +1,5 @@
 *SVN*
 
-* Added parentheses around FROM clauses generated by Base and associations since MySQL 5 claim that to be the standard (and will screw up joins if its not there), see http://bugs.mysql.com/bug.php?id=13551 [DHH]
-
 * Rename AR::Base#quote so people can use that name in their models. #3628 [Koz]
 
 * Add deprecation warning for inferred foreign key. #6029 [Josh Susser]

activerecord/lib/active_record/associations.rb

@@ -1131,7 +1131,7 @@ module ActiveRecord
 
         def construct_finder_sql_with_included_associations(options, join_dependency)
           scope = scope(:find)
-          sql = "SELECT #{column_aliases(join_dependency)} FROM (#{(scope && scope[:from]) || options[:from] || table_name}) "
+          sql = "SELECT #{column_aliases(join_dependency)} FROM #{(scope && scope[:from]) || options[:from] || table_name} "
           sql << join_dependency.join_associations.collect{|join| join.association_join }.join
  
           add_joins!(sql, options, scope)

activerecord/lib/active_record/base.rb

@@ -1089,7 +1089,7 @@ module ActiveRecord #:nodoc:
         def construct_finder_sql(options)
           scope = scope(:find)
           sql  = "SELECT #{(scope && scope[:select]) || options[:select] || '*'} "
-          sql << "FROM (#{(scope && scope[:from]) || options[:from] || table_name}) "
+          sql << "FROM #{(scope && scope[:from]) || options[:from] || table_name} "
 
           add_joins!(sql, options, scope)
           add_conditions!(sql, options[:conditions], scope)