# {'a': 1, 'b': 1}
# {'a': 3, 'b': 3}
# {'a': 1, 'b': 4}
# {'a': 3, 'b': 6}
for doc in db.docs.find(q(a=_ne(2))):
del doc['_id']
print(doc)
print()
# {'a': 1, 'b': 4}
# {'a': 2, 'b': 5}
# {'a': 3, 'b': 6}
for doc in db.docs.find(q(b=_gt(3))):
del doc['_id']
print(doc)
print()
# {'a': 2, 'b': 2}
# {'a': 3, 'b': 3}
# {'a': 3, 'b': 6}
for doc in db.docs.find(q(a=3) | q(b=2)):
del doc['_id']
print(doc)
print()
# {'a': 1, 'b': 4}
for doc in db.docs.find(_and(q(a=1), q(b=4))):
del doc['_id']
print(doc)
print()
def test_query_and_query():
q1 = q({'a': 1, 'b': 2})
q2 = q({'a': 1, 'c': 3})
assert q1 & q2 == _and(q1, q2)
def test_and():
query = q(_and({'a': 1}, {'b': 2}))
assert query == {'$and': [{'a': 1}, {'b': 2}]}
