Peter Tellgren wrote: > I am now struggling with one last issue. > I am trying to index a difference between 2 fields (possible?) > I want to be able this way to search by books that has sold x out of y > available copies. > > something lilke: has books_total - books_sold, :as => books_left > > Is this even possible or should i just make a new column in my table > containing this value? > It seems I am in deep water as the index builder is throwing errors at me.. > both columns are integer values though and I can add them seperatly..
It is definitely possible to generate custom attributes. has "books_total - books_sold", :as => books_left, :type => :integer Have a read of the comments for the has() method in lib/thinking_sphinx/index/builder.rd, it covers some of the syntax you might find useful. For searching, try the comments in lib/thinking_sphinx/search.rb -- James Healy <jimmy-at-deefa-dot-com> Wed, 15 Apr 2009 23:36:04 +1000
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