Rails with Joomla Integration. This is when you have two databases and want to use the migrations. Use this code until you get rid of Joomla

sync_to_schema_migrations.rake

    desc "Sync the schema_migrations tables on both databases"
    task :sync_schema_migrations => :environment do
      class JoomlaSchemaMigrations < ActiveRecord::Base
        establish_connection "joomla_#{Rails.env}"
        self.table_name = 'schema_migrations'
        self.inheritance_column = :sti_type
        attr_accessible :version
      end

      class RailsSchemaMigrations < ActiveRecord::Base
        self.table_name = 'schema_migrations'
        self.inheritance_column = :sti_type
        attr_accessible :version
      end

      joomla_migrations = JoomlaSchemaMigrations.all.collect(&:version)
      rails_migrations = RailsSchemaMigrations.all.collect(&:version)

      migrations_missing_in_rails = joomla_migrations - rails_migrations

      migrations_missing_in_joomla = rails_migrations - joomla_migrations

      puts "filling up the rails schema_migrations"
      migrations_missing_in_rails.each do |version|
        puts "  adding...#{version}"
        RailsSchemaMigrations.create(:version => version)
      end

      puts "filling up the joomla schema_migrations"
      migrations_missing_in_joomla.each do |version|
        puts "  adding...#{version}"
        JoomlaSchemaMigrations.create(:version => version)
      end
    end