Just discovered this:  I guess I'll have to figure out my polymorphic 
definitions and come back with that:

https://github.com/pat/thinking-sphinx/issues/417#issuecomment-11992041

On Friday, July 25, 2014 7:54:41 AM UTC-5, yekta wrote:
>
> Hello,
>
> I'm upgrading to thinking sphinx from 1.4.3 to 3.1, quite a switch but I 
> need to do it!
>
> My question succinctly and hopefully accurately put is: How do I handle 
> multiple fields as one field correctly?
> For example, previously I had several places where I need to group several 
> string values under one searchable field.  
>
> Here's an example of that from my previous define_index block:
>
> # yes, it's with polymorphic set up
> indexes [data.title, data.subtitle, data.title_supplement, data.
> cover_blurb], :as => :title
>
> With that entry, when I go to configure the index, I get an error of 
> NoMethodError: undefined method `column_names' for Data:Class
>
> $ rake ts:configure
>
> ** Invoke ts:configure (first_time)
> ** Invoke environment (first_time)
> ** Execute environment
> ** Execute ts:configure
> Generating configuration to /vagrant/config/development.sphinx.conf
> rake aborted!
> NoMethodError: undefined method `column_names' for Data:Class
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/attr_encrypted-1.3.2/lib/attr_encrypted.rb:258:in
>  
> `method_missing'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/column_sql_presenter.rb:26:in
>  
> `exists?'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.
> 1/lib/thinking_sphinx/active_record/column_sql_presenter.rb:14:in 
> `with_table'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/property_sql_presenter.rb:60:in
>  
> `collect'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/property_sql_presenter.rb:60:in
>  
> `columns_with_table'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.
> 1/lib/thinking_sphinx/active_record/property_sql_presenter.rb:41:in 
> `casted_column_with_table'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/property_sql_presenter.rb:17:in
>  
> `to_select'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/sql_builder/statement.rb:75:in
>  
> `collect'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.
> 1/lib/thinking_sphinx/active_record/sql_builder/statement.rb:75:in 
> `presenters_to_select'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/sql_builder/statement.rb:118:in
>  
> `select_clause'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/sql_builder/statement.rb:89:in
>  
> `scope_by_select'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.
> 1/lib/thinking_sphinx/active_record/sql_builder/statement.rb:54:in 
> `filter_by_scopes'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/sql_builder/statement.rb:12:in
>  
> `to_relation'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/sql_builder.rb:11:in
>  
> `sql_query'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.
> 1/lib/thinking_sphinx/active_record/sql_source.rb:119:in `build_sql_query'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/sql_source.rb:136:in
>  
> `prepare_for_render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/active_record/sql_source.rb:65:in
>  
> `render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/riddle-1.5.11/lib/
> riddle/configuration/index.rb:29:in `block in render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/riddle-1.5.11/lib/riddle/configuration/index.rb:29:in
>  
> `collect'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/riddle-1.5.11/lib/riddle/configuration/index.rb:29:in
>  
> `render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.
> 1/lib/thinking_sphinx/core/index.rb:53:in `render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/riddle-1.5.11/lib/riddle/configuration.rb:43:in
>  
> `block in render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/riddle-1.5.11/lib/riddle/configuration.rb:43:in
>  
> `collect'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/riddle-1.5.11/lib/
> riddle/configuration.rb:43:in `render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/configuration.rb:90:in
>  
> `render'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/configuration.rb:96:in
>  
> `block in render_to_file'
> /usr/local/rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/open-uri.rb:36:in `open'
> /usr/local/rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/open-uri.rb:36:in `open'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/configuration.rb:96:in
>  
> `render_to_file'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.
> 1/lib/thinking_sphinx/rake_interface.rb:13:in `configure'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/thinking-sphinx-3.1.1/lib/thinking_sphinx/tasks.rb:4:in
>  
> `block (2 levels) in <top (required)>'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/task.rb:240:in
>  
> `call'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake
> /task.rb:240:in `block in execute'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/task.rb:235:in
>  
> `each'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/task.rb:235:in
>  
> `execute'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake
> /task.rb:179:in `block in invoke_with_call_chain'
> /usr/local/rvm/rubies/ruby-2.1.0/lib/ruby/2.1.0/monitor.rb:211:in `
> mon_synchronize'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/task.rb:172:in
>  
> `invoke_with_call_chain'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake
> /task.rb:165:in `invoke'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/application.rb:150:in
>  
> `invoke_task'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/application.rb:106:in
>  
> `block (2 levels) in top_level'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake
> /application.rb:106:in `each'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/application.rb:106:in
>  
> `block in top_level'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/application.rb:115:in
>  
> `run_with_threads'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake
> /application.rb:100:in `top_level'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/application.rb:78:in
>  
> `block in run'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake/application.rb:176:in
>  
> `standard_exception_handling'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/lib/rake
> /application.rb:75:in `run'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/gems/rake-10.3.2/bin/rake:33:in
>  
> `<top (required)>'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/bin/rake:23:in `load'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/bin/rake:23:in `<main>'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/bin/ruby_executable_hooks:15:in
>  
> `eval'
> /usr/local/rvm/gems/ruby-2.1.0@production-rails3/bin/ruby_executable_hooks:15:in
>  
> `<main>'
> Tasks: TOP => ts:configure
>
> I've looked around but not been able to find any examples in docs or 
> elsewhere, for this sort of definition - with multiple attributes acting as 
> one.  
>
> I've also tried to define :multi => true, but from what I read about multi 
> value attributes, only integer, boolean and timestamp are supported?  Is 
> that the same feature as what I was using before?  Is that feature 
> deprecated then?
>
> Thanks!
>
>

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