On Jul 4, 12:59 am, Dallas <[email protected]> wrote: > I have a model Tweets, it has_many :teams > > I wrote a custom find_by_sql query for tweets (yes i tried all other > approaches) such that I can't eager load the teams. I collect the ids > and try to fake eager loading myself like so... > > team_hash = {} > #collect up the tweet ids > tweet_ids = tweets.collect{|t| t.id} > > #find the associated teams > TeamTweet.find(:all, :include => :team, :conditions => "tweet_id IN (" > + tweet_ids.join(',') +")").each do |tt| > team_hash[tt.tweet_id] = team_hash[tt.tweet_id] ? team_hash > [tt.tweet_id] << tt.team : [tt.team] > end > > #reset the teams attribute > tweets.each do |tweet| > teams = team_hash[tweet.id] ? team_hash[tweet.id] : [] > tweet.write_attribute(:teams, teams) > # also tried tweet.teams = teams > end >
Associations aren't attributes :-) There's a few bits of state you need to fake up to convince AR that it has loaded an association. The canonical example of this is probably the stuff in association_preload.rb in Rails itself. Fred > I'm not sure f there is a better way to do this in general but when I > access tweet.teams it still queries the database for the teams on each > tweet even though I set it already. I assumed this would be a common > problem for people using find_by_sql but can't find anything. Any > solutions or suggestions would be greatly appreciated! --~--~---------~--~----~------------~-------~--~----~ 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 [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-talk?hl=en -~----------~----~----~----~------~----~------~--~---
