I think what Pat's trying to say is add another attribute/field that will enforce the join of the comments table.
Add another field like has comments.another_attribute, :as => :comment_another_attribute, :type => :attribute_type On Sun, Jul 18, 2010 at 12:23 AM, Maechi <[email protected]> wrote: > Hi Pat, > > There is an error saying: > > ERROR: index 'top_remcord_container_core': sql_range_query: Unknown > column 'comments.rating' in 'field list' (DSN=mysql:// > prod:*...@localhost:3306/prod_development). > > I dont understand, what you meant with refering to the comments > association in another field... Is that the reason for this failure? > > there exists a reference to comments and there is a int field called > rating. > > Thanks for your help... > Markus > > On 17 Jul., 05:09, Pat Allan <[email protected]> wrote: > > Hi Markus > > > > You'll have to use a SQL snippet for this attribute: > > > > has 'AVG(comments.rating)', :as => :average_rating, :type => :float > > > > I think this should do the trick. Make sure you're referring to the > comments association in another field or attribute to enforce the join. > > > > Cheers > > > > -- > > Pat > > > > On 16/07/2010, at 1:16 AM, Maechi wrote: > > > > > > > > > Hi, > > > > > I have the following Model: > > > > > container (has many) comments (has attribute rating (0 to 5)) > > > > > I want to index the average rating of all comments of one container. > > > > > Is this possible? > > > > > Thanks > > > Markus > > > > > -- > > > You received this message because you are subscribed to the Google > Groups "Thinking Sphinx" group. > > > To post to this group, send email to [email protected]. > > > To unsubscribe from this group, send email to > [email protected]<thinking-sphinx%[email protected]> > . > > > For more options, visit this group athttp:// > groups.google.com/group/thinking-sphinx?hl=en. > > -- > You received this message because you are subscribed to the Google Groups > "Thinking Sphinx" group. > To post to this group, send email to [email protected]. > To unsubscribe from this group, send email to > [email protected]<thinking-sphinx%[email protected]> > . > For more options, visit this group at > http://groups.google.com/group/thinking-sphinx?hl=en. > > -- ------------------------------------------------------------- visit my blog at http://jimlabs.heroku.com -- You received this message because you are subscribed to the Google Groups "Thinking Sphinx" 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/thinking-sphinx?hl=en.
