gistfile1.rb

color_list = Tags::Color.all.map {|n| n.name}
hash = Hash[color_list.map.with_index.to_a]
missing_ids = []

Style.joins(:taggings).find_each do |tags|
	id = tags.id
	tags.taggings.each do |t|
		begin
			name = TagValue.find(t.tag_value_id).name
			if color_list.include? name
				StyleColor.create!(:style_id => id, :color_id => hash[name]+1)
			end
		rescue
			missing_ids << t.tag_value_id
		end
	end
end