def _bin_to_long(x):
    return long(x.encode('hex'), 16)
Performs the mutation on the database schema in the reverse
dataset/ETHPy150Open AppScale/appscale/AppServer/lib/django-1.4/django/utils/crypto.py/_bin_to_long--crossover with--dataset/ETHPy150Open django/django/django/db/migrations/operations/base.py/Operation.database_backwards