database.yml mysql adapter

database.yml

<%
socket = ["/tmp/mysqld.sock",
          "/tmp/mysql.sock",
          "/var/run/mysqld/mysqld.sock",
          "/var/lib/mysql/mysql.sock",
          "/opt/local/var/run/mysql5/mysqld.sock"
          ].detect{|socket| File.exist?(socket)}
%>

development:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: db_development
  pool: 5
  username: root
  password:
  socket: <%= socket %>

# Warning: The database defined as "test" will be erased and
# re-generated from your development database when you run "rake".
# Do not set this db to the same as development or production.
test:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  database: db_test
  pool: 5
  username: root
  password:
  socket: <%= socket %>

production:
  adapter: mysql2
  encoding: utf8
  reconnect: false
  host: 
  database: 
  pool: 5
  username: 
  password: