Syscalls.retval type is too small for x86_64

[AndrewFasano]

When I generate a plog with syscalls_logger of an x86_64 guest running and try to import into a postgres DB I get the following error.

I believe this would be fixed if retval was changed to a bigint so it can store values up to 64 bit.

sqlalchemy.exc.DataError: (psycopg2.errors.NumericValueOutOfRange) integer out of range                                                                                                                                                                                                                                                                                                                                                                                                 [SQL: INSERT INTO syscalls (syscall_id, type, name, retval, thread_id, pc, execution_offset) VALUES (%(syscall_id)s, %(type)s, %(name)s, %(retval)s, %(thread_id)s, %(pc)s, %(execution_offset)s)]
[parameters: {'syscall_id': UUID('0695da25-109b-428f-ab9b-3d830cce2288'), 'type': 'Syscall', 'name': 'sys_mmap', 'retval': 140737354076160, 'thread_id': UUID('f55784d6-fd20-4baf-b70e-3562f7670de2'), 'pc': 140737348893203, 'execution_offset': 6265950}]
(Background on this error at: http://sqlalche.me/e/13/9h9h) 

[AndrewFasano]

Here's the zipped plog: proc.plog.zip