I have a table where I am trying to delete all but the 10 most recent records. My code is as follows:
cnotes = Channelnote.find(:all, :order => 'tstamp DESC', :limit => 10, :conditions => ["deleted=0"]) Channelnote.delete_all; for cnote in cnotes do g=cnote.save end However, it deletes ALL records in the table, seeming to NOT write cnotes back. Can anyone please explain to me why/ Myu log for this is enclosed below: Processing AssociateSessionsController#destroy (for 127.0.0.1 at 2009-09-06 17:11:07) [GET] Parameters: {"action"=>"destroy", "controller"=>"associate_sessions"} [4;35;1mAssociate Columns (16.0ms) [0m [0mSHOW FIELDS FROM `associates` [0m [4;36;1mAssociate Load (0.0ms) [0m [0;1mSELECT * FROM `associates` WHERE (`associates`.`id` = '1') LIMIT 1 [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mAssociate Update (0.0ms) [0m [0;1mUPDATE `associates` SET `perishable_token` = 'Tz-demkWdZreygqeTVrd', `updated_at` = '2009-09-06 21:11:07', `last_request_at` = '2009-09-06 21:11:07' WHERE `id` = 1 [0m [4;35;1mSQL (16.0ms) [0m [0mCOMMIT [0m [4;36;1mChannelnote Load (0.0ms) [0m [0;1mSELECT * FROM `channelnotes` WHERE (deleted=0) ORDER BY tstamp DESC LIMIT 10 [0m [4;35;1mChannelnote Delete all (16.0ms) [0m [0mDELETE FROM `channelnotes` [0m [4;36;1mChannelnote Columns (0.0ms) [0m [0;1mSHOW FIELDS FROM `channelnotes` [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (15.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m [4;35;1mSQL (0.0ms) [0m [0mBEGIN [0m [4;36;1mSQL (0.0ms) [0m [0;1mCOMMIT [0m Redirected to http://localhost:3000/ Completed in 406ms (DB: 63) | 302 Found [http://localhost/logout] [4;35;1mSQL (0.0ms) [0m [0mSET SQL_AUTO_IS_NULL=0 [0m --~--~---------~--~----~------------~-------~--~----~ You received this message because you are subscribed to the Google Groups "Ruby on Rails: Talk" group. To post to this group, send email to rubyonrails-talk@googlegroups.com To unsubscribe from this group, send email to rubyonrails-talk+unsubscr...@googlegroups.com For more options, visit this group at http://groups.google.com/group/rubyonrails-talk?hl=en -~----------~----~----~----~------~----~------~--~---