div tzg

db_repository/versions/005_answered_lang.py

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+from sqlalchemy import *
+from migrate import *
+
+
+from migrate.changeset import schema
+pre_meta = MetaData()
+post_meta = MetaData()
+threads = Table('threads', post_meta,
+    Column('created_at', TIMESTAMP, nullable=False),
+    Column('updated_at', TIMESTAMP, nullable=False),
+    Column('id', Integer, primary_key=True, nullable=False),
+    Column('firstmail', Integer),
+    Column('date', DateTime),
+    Column('islabeled', Boolean),
+    Column('istrained', Boolean),
+    Column('opened', Boolean),
+    Column('body', Text),
+    Column('maintopic', String),
+    Column('lang', String),
+    Column('answered', String),
+)
+
+
+def upgrade(migrate_engine):
+    # Upgrade operations go here. Don't create your own engine; bind
+    # migrate_engine to your metadata
+    pre_meta.bind = migrate_engine
+    post_meta.bind = migrate_engine
+    post_meta.tables['threads'].columns['answered'].create()
+    post_meta.tables['threads'].columns['lang'].create()
+
+
+def downgrade(migrate_engine):
+    # Operations to reverse the above upgrade go here.
+    pre_meta.bind = migrate_engine
+    post_meta.bind = migrate_engine
+    post_meta.tables['threads'].columns['answered'].drop()
+    post_meta.tables['threads'].columns['lang'].drop()
+