partial_AuthenticatedPersonTable.newStringColumn("password", 255, true);
partial_AuthenticatedPersonTable.newStringColumn("username", 255, true);
ERXMigrationTable partial_EmployeePersonTable = database.existingTableNamed("Person");
partial_EmployeePersonTable.newIntegerColumn("departmentID", true);
partial_EmployeePersonTable.newStringColumn("employeeNumber", 255, true);
partial_EmployeePersonTable.newIntegerColumn("employeeTypeID", true);
partial_EmployeePersonTable.newBigDecimalColumn("salary", 38, 2, true);
partial_EmployeePersonTable.addForeignKey("departmentID", "Department", "id");
partial_EmployeePersonTable.addForeignKey("employeeTypeID", "EmployeeType", "id");