Rails: How do I search tags generated by Act_As_Taggable_On with PG_Search? (postgresql)
A much more simple approach is just using the association and search that through pg_search which is done like this:
class Item < ActiveRecord::Base include PgSearch pg_search_scope :full_search, :against => { :item_status => 'A', :title => 'B', :description => 'C' }, :associated_against => { :tags => [:name] }end I just implemented this in one of my projects and it worked well (searched through tag names). Unfortunately I can't figure out how to weight an associated relationship since it says "tags" column not found in Items table.
This worked for me to get the tags weighted as well
pg_search_scope :search_by_weight, :against => { :title => 'B', :content => 'C' }, :associated_against => { :tags => { :name => 'A' } }, using: {tsearch: {dictionary: "english"}}
I wrote my implementation in plpgsql a few years ago. See my blog: http://omarqureshi.net/articles/2010-12-25-tsearch2-for-rails-applications which covers how to get it working.