# Migrate tags from inline attribute to separate table
class PopulateTags < ActiveRecord::Migration
  def self.up
    execute('SELECT id, tags FROM events;').each do |result|
      event = Event.find_by id: result[0]
      event.tag_list = result[1] + ' helo world'
      event.save
      say event.id
      say event.tag_list
    end

    change_column :events, :tags, :text, null: true
    change_column :orgas, :tags, :text, null: true
  end

  def self.down
    change_column :events, :tags, :text, null: false
    change_column :orgas, :tags, :text, null: false
  end
end