The problem has been solved by adding a counter column to the users table On Aug 13, 7:16 pm, Mohammed Alenazi <vb4...@gmail.com> wrote: > thank you for your responses. Actually what I wanted is to show the > users based on how many properties they have. Something like > @users = User.all(:include => :properties, :order => > 'count(properties.id) DESC') > If you look it my first post, I have the a statement working for mySql > but not in postgre > > On Aug 13, 8:52 am, Hassan Schroeder <hassan.schroe...@gmail.com> > wrote: > > > On Thu, Aug 12, 2010 at 11:25 PM, Mohammed Alenazi <vb4...@gmail.com> wrote: > > > There is still a problem. > > > �...@users = User.paginate :joins => :properties ,:select => 'distinct > > > users.*', :page => params[:page], :order => 'properties.id > > > DESC',:conditions => ['users.id != 1'] > > > I got this error message. > > > ActiveRecord::StatementInvalid (PGError: ERROR: for SELECT DISTINCT, > > > ORDER BY expressions must appear in select list > > > : SELECT distinct users.* FROM "users" INNER JOIN "properties" ON > > > properties.user_id = users.id WHERE (users.id != 1) ORDER BY > > > properties.id DESC LIMIT 10 OFFSET 0): > > > Leaving out pagination and the "users.id != 1" stuff for the moment -- > > does something like > > @users = User.all(:include => :properties, :order => 'properties.id DESC') > > give you the expected data result? > > > -- > > Hassan Schroeder ------------------------ hassan.schroe...@gmail.com > > twitter: @hassan > >
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