public

seanhandley / gist:626250

Created 2010-10-14

STORED_PROCEDURE = 'find_the_id'
STORED_PROCEDURE_FILE = 'StoredProcedure.sql'
class AddStoredProcedure < ActiveRecord::Migration
  def self.up
    sql_directory = File.join(File.dirname(__FILE__), 'sql')
    conf = Rails::Configuration.new.database_configuration[RAILS_ENV]
    sql_file = File.join(sql_directory, STORED_PROCEDURE_FILE)
    host = conf['host'] ? conf['host'] : 'localhost'
    database = conf['database']
    username = conf['username'] ? conf['username'] : 'root'
    password = conf['password'] ? conf['password'] : ''
    cmd_line = 'mysql5 -h ' + host + ' -D ' + database + ' -u ' + username
    cmd_line += ' -p ' + password if password.nil?
    cmd_line += ' < ' + sql_file.to_s
    
    unless system(cmd_line)
      raise Exception, 'Error creating stored procedure ' + STORED_PROCEDURE
    end
  end
 
  def self.down
    execute 'DROP PROCEDURE ' + STORED_PROCEDURE
  end
end