old_contents: # File: User.py
  # Author: Bert JW Regeer <bertjw@regeer.org>
  # Created: 2012-09-25
  
  from meta import Base
  
  from sqlalchemy import (
          Table,
          Column,
          Integer,
          String
          )
  
  class User(Base):
      __table__ = Table('users', Base.metadata,
              Column('id', Integer, primary_key=True, unique=True),
              Column('username', String(128), unique=True, index=True),
              Column('realname', String(256), index=True),
              Column('credentials', String(40))
              )
  
  
new_contents: # File: User.py
  # Author: Bert JW Regeer <bertjw@regeer.org>
  # Created: 2012-09-25
  
  from meta import (
          Base,
          DBSession,
          )
  
  from sqlalchemy import (
          Table,
          Column,
          Integer,
          Unicode,
          String,
          )
  
  class User(Base):
      __table__ = Table('users', Base.metadata,
              Column('id', Integer, primary_key=True, unique=True),
              Column('email', String(256), unique=True, index=True),
              Column('name', Unicode(256), index=True),
              Column('credentials', String(60))
              )
  
  
subject: Update User table