from sqlalchemy.ext.declarative import declared_attr
from sqlalchemy.orm import mapper, class_mapper, attributes, object_mapper
from sqlalchemy.orm.exc import UnmappedClassError, UnmappedColumnError
-from sqlalchemy import Table, Column, ForeignKeyConstraint, Integer
+from sqlalchemy import Table, Column, ForeignKeyConstraint, Integer, DateTime
from sqlalchemy import event
from sqlalchemy.orm.properties import RelationshipProperty
if super_mapper:
super_fks.append(('version', super_history_mapper.local_table.c.version))
cols.append(Column('version', Integer, primary_key=True, autoincrement=False))
+ cols.append(Column('changed', DateTime, default=datetime.datetime.now))
else:
cols.append(Column('version', Integer, primary_key=True, autoincrement=False))
+ cols.append(Column('changed', DateTime, default=datetime.datetime.now))
if super_fks:
cols.append(ForeignKeyConstraint(*zip(*super_fks)))
table = Table(local_mapper.local_table.name + '_history', local_mapper.local_table.metadata,
- *cols
+ *cols, schema=local_mapper.local_table.schema
)
else:
# single table inheritance. take any additional columns that may have
continue
for hist_col in hm.local_table.c:
- if hist_col.key == 'version':
+ if hist_col.key == 'version' or hist_col.key == 'changed':
continue
obj_col = om.local_table.c[hist_col.key]