simple migrator

simple_migrator.rb

require "rubygems"
require "active_record"
require "logger"

config = {
   :adapter     =>  "mysql2",
   :encoding    =>  "utf8",
   :reconnect   =>  false,
   :database    =>  "migration",
   :pool        =>  5,
   :username    =>  "migration",
   :password    =>  "migration",
   :socket      =>  "/var/run/mysqld/mysqld.sock"
}

logger = Logger.new(STDOUT)
logger.level = Logger::WARN

ActiveRecord::Base.establish_connection(config)
ActiveRecord::Base.logger = logger
ActiveRecord::Migration.verbose = true
ActiveRecord::Migrator.migrate("db/migrate")