Open travula opened 8 years ago
Currently, unique constraint is implemented on single columns, but to determine uniqueness of some entities, few columns together make up unique constraint. This will have to be implemented in sqlalchemy.
http://stackoverflow.com/questions/10059345/sqlalchemy-unique-across-multiple-columns
Currently, unique constraint is implemented on single columns, but to determine uniqueness of some entities, few columns together make up unique constraint. This will have to be implemented in sqlalchemy.