@@ -1,13 +1,34 @@ -ActiveRecordEach -================ +=ActiveRecordEach -Introduction goes here. +==Context +If you have to do a migration with a lot of rows, you can't do something like these + User.find(:all).each do { |u| ... } +because you load all the table in ruby memmory. Ruby-prof says that these is not good, so I do these. -Example -======= +==Summary & Examples -Example goes here. +ActiveRecordEach is a 5 minutes plugin that implements ActiveRecord::Base.each instance method. +It acepts any parameter that find accept except :limit -Copyright (c) 2008 [name of plugin creator], released under the MIT license +Now you can easily do + User.each (:conditions => "users.login LIKE 'g%') { |u| Notifier.deliver_report(u) } + +==Todo +It could be interesting make somthing like these: + User.each (:step => 5) {|u| puts u.login} + +And fetch 5 users per query + +==Installation + +You have two methods: + * If your rails app is managed by git + git-submodule add git://github.com/guillermo/active_record_each.git vendor/plugins/active_record_each + + * If doesn't + git-clone git://github.com/guillermo/active_record_each.git vendor/plugins/active_record_each + + +Copyright (c) 2008 Guillermo Álvarez Fernández, released under the MIT license README 81b6d752c2eda9e33dbe05ca56e5e8cf54b45f0d Guillermo guillermo@humedo.cientifico.net http://github.com/guillermo/active_record_each/commit/d85e04459f6fd1801253fdc1efe9deebdc81bdd6 d85e04459f6fd1801253fdc1efe9deebdc81bdd6 2008-05-17T09:52:14-07:00 2008-05-17T09:52:14-07:00 Updated README 836a7d9f64161267a944990f83071615c1d887b7 Guillermo guillermo@humedo.cientifico.net