The final assert here fails because session.query([model]).delete doesn't seem to cascade while deleting the object directly has the expected behaviour. There is a TODO on line 3044 of query.py so I ...

Trying to set a group to a player, instead of using remove/add will give a Foreign key error when it is ran. MySQL is being used at the backend. MySQL 5.5.40. [13:45: ...

Abstract: A new method for SQL query implementation in a parallel execution environment Apache Spark in a package mode was developed on the basis of Bloom Filter Cascade Application (BFCA). It ...