db_repository/versions/004_migration.py

   1 from sqlalchemy import *
   2 from migrate import *
   3
   4
   5 from migrate.changeset import schema
   6 pre_meta = MetaData()
   7 post_meta = MetaData()
   8
   9 def upgrade(migrate_engine):
  10     # Upgrade operations go here. Don't create your own engine; bind
  11     # migrate_engine to your metadata
  12     pre_meta.bind = migrate_engine
  13     post_meta.bind = migrate_engine
  14
  15
  16 def downgrade(migrate_engine):
  17     # Operations to reverse the above upgrade go here.
  18     pre_meta.bind = migrate_engine
  19     post_meta.bind = migrate_engine