public void createTables(DatabaseSession session) {
dropTableConstraints(session);
new InheritanceTableCreator().replaceTables(session);
SchemaManager schemaManager = new SchemaManager(session);
if (session.getLogin().getPlatform().isOracle()) {
schemaManager.replaceObject(Computer.oracleView());
schemaManager.replaceObject(Vehicle.oracleView());
} else if (session.getLogin().getPlatform().isSybase()) {
schemaManager.replaceObject(Computer.sybaseView());
schemaManager.replaceObject(Vehicle.sybaseView());
// CREATE VIEW statement was added in MySQL 5.0.1. Uncomment it when we support MySQL 5
// } else if (session.getLogin().getPlatform().isMySQL()) {
// schemaManager.replaceObject(Computer.sybaseView());
// schemaManager.replaceObject(Vehicle.mySQLView());
}
}
public void addDescriptors(DatabaseSession session) {
// Oracle has bug in outjoins that require outerjoin of inheritance type.
// This should really be handled by the platform during expression normalization...
// Id for Entomologist can be negative (millis cast to int wraps...)
project.getDescriptor(Entomologist.class).setIdValidation(IdValidation.NONE);
session.addDescriptors(project);
// For using read all subclasses views.
DatabasePlatform platform = session.getLogin().getPlatform();
if (platform.isOracle() || platform.isSybase()) {
ClassDescriptor computerDescriptor = session.getDescriptor(Computer.class);
ClassDescriptor vehicleDescriptor = session.getDescriptor(Vehicle.class);
computerDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllComputers");
vehicleDescriptor.getInheritancePolicy().setReadAllSubclassesViewName("AllVehicles");
}
// Enable outer-join on AnimalMatt hierarchy.
session
.getDescriptor(Animal_Matt.class)
.getInheritancePolicy()
.setShouldOuterJoinSubclasses(true);
}