On Thu, Mar 5, 2009 at 14:27, blj <[email protected]> wrote: > > May be I am missing something obvious, but I do not understand why the > method find_in_batches cannot take the option[:order].
Ordering is forced to the "id" column because: 1. mysql optimizes iterating over huge datasets when you use the "WHERE id > ?" clause much better than with LIMIT and OFFSET; 2. you don't need ordering -- every single record gets yielded. --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Core" group. To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/rubyonrails-core?hl=en -~----------~----~----~----~------~----~------~--~---
