reorganized call

Conflicts:

	doc/TODO
	lib/arel/relations/relation.rb
	lib/arel/relations/writes/delete.rb
	lib/arel/relations/writes/insert.rb
	lib/arel/relations/writes/update.rb
	lib/arel/session.rb
	spec/arel/unit/relations/delete_spec.rb
	spec/arel/unit/relations/insert_spec.rb
	spec/arel/unit/relations/relation_spec.rb
	spec/arel/unit/relations/update_spec.rb
	spec/arel/unit/session/session_spec.rb

1 files changed, 7 insertions, 9 deletions

diff --git a/doc/TODO b/doc/TODO
index 740e5db5fe..ad12640881 100644
--- a/doc/TODO
+++ b/doc/TODO
@@ -1,19 +1,16 @@
 todo:
-- joining with LIMIT is like aggregations!!
 
+- refactor adapter pattern
+- implement in memory adapter
+- implement mnesia adapter
+- joins become subselects in writes:
 users.delete().where( 
     addresses.c.user_id== 
          select([users.c.id]). 
          where(users.c.name=='jack') 
     ) 
-
-    SELECT id, name, 
-      (select count(*) FROM addresses WHERE 
-    user_id=users.id) 
-    FROM users 
-
-    SELECT users.*, (SELECT count(id) FROM addresses WHERE 
-    addresses.user_id=users.id) FROM users
+- rename externalize to derived.
+- and/or w/ predicates
 - blocks for all operations
 - result sets to attr correlation too
 - cache expiry on write
@@ -85,6 +82,7 @@ done:
 - test: find_attribute_given_attribute and all @attribute ||= everywhere and memoization of table class.
 - rename select to where
 - rename all ion classes
+- joining with LIMIT is like aggregations!!
 
 icebox:
 - #bind in Attribute and Expression should be doing a descend?