acts-as-taggable-on speed hack

acts-as-taggable-speed.rb

module ActsAsTaggableOn
  mattr_accessor :ignore_case_for_mysql
  @@ignore_case_for_mysql = false

  class Tag
    class << self
      def named_any_with_ignore_case(list)
        if ActsAsTaggableOn.ignore_case_for_mysql
          where(list.map { |tag| sanitize_sql(["name = ?", tag.to_s.mb_chars.downcase]) }.join(" OR "))
        else
          self.named_any_without_ignore_case(list)
        end
      end
      alias_method_chain :named_any, :ignore_case
    end
  end
end