def counter(self, client, key='', path='', value=None):
try:
if self.verbose_func_usage:
self.log.info(" counter ----> {0} :: {1} + {2}".format(key, path, value))
if self.use_sdk_client:
client.cb.mutate_in(key, SD.counter(path, int(value), xattr=self.xattr))
else:
client.counter_sd(key, path, value)
except Exception:
raise
def counter(self, client, key = '', path = '', value = None):
try:
if self.verbose_func_usage:
self.log.info(" counter ----> {0} :: {1} + {2}".format(key, path, value))
if self.use_sdk_client:
client.cb.mutate_in(key, SD.counter(path, int(value), xattr=self.xattr))
else:
client.counter_sd(key, path, value)
except Exception:
raise
def counter(self, client, key = '', path = '', value = None, xattr=None, create_parents=None):
try:
new_path = self.generate_path(self.nesting_level, path)
self.log.info(new_path)
if self.is_sdk_client:
client.cb.mutate_in(key, SD.counter(new_path, int(value), xattr=xattr, create_parents=create_parents))
else:
client.counter_sd(key, new_path, value)
except Exception as e:
self.log.error(e)
msg = "Unable to add key {0} for path {1} after {2} tries".format(key, path, 1)
return msg
def counter(self, client, key = '', path = '', value = None, xattr=None, create_parents=None):
try:
new_path = self.generate_path(self.nesting_level, path)
self.log.info(new_path)
if self.is_sdk_client:
client.cb.mutate_in(key, SD.counter(new_path, int(value), xattr=xattr, create_parents=create_parents))
else:
client.counter_sd(key, new_path, value)
except Exception as e:
self.log.error(e)
msg = "Unable to add key {0} for path {1} after {2} tries".format(key, path, 1)
return msg
def test_counter_in(self):
cb = self.cb
key = self.gen_key('sdcounter')
cb.upsert(key, {})
rv = cb.mutate_in(key, SD.counter('counter', 100))
self.assertTrue(rv.success)
self.assertFalse(rv.cas == 0)
self.assertEqual(100, rv[0])
self.assertRaises(E.SubdocBadDeltaError, cb.mutate_in, key,
SD.counter('not_a_counter', 'blah'))
# Do an upsert
cb.mutate_in(key, SD.upsert('not_a_counter', 'blah'))
self.assertRaises(E.SubdocPathMismatchError, cb.mutate_in, key,
SD.counter('not_a_counter', 25))
self.assertRaises(E.SubdocPathNotFoundError, cb.mutate_in, key,
SD.counter('path.to.newcounter', 99))
rv = cb.mutate_in(key,
SD.counter('path.to.newcounter', 99, create_parents=True))
self.assertEqual(99, rv[0])
# Increment first counter again
rv = cb.mutate_in(key, SD.counter('counter', -25))
self.assertEqual(75, rv[0])
self.assertRaises(ValueError, SD.counter, 'counter', 0)
def test_counter_in(self):
cb = self.cb
key = self.gen_key('sdcounter')
cb.upsert(key, {})
rv = cb.mutate_in(key, SD.counter('counter', 100))
self.assertTrue(rv.success)
self.assertFalse(rv.cas == 0)
self.assertEqual(100, rv[0])
self.assertRaises(E.SubdocBadDeltaError, cb.mutate_in, key,
SD.counter('not_a_counter', 'blah'))
# Do an upsert
cb.mutate_in(key, SD.upsert('not_a_counter', 'blah'))
self.assertRaises(E.SubdocPathMismatchError, cb.mutate_in, key,
SD.counter('not_a_counter', 25))
self.assertRaises(E.SubdocPathNotFoundError, cb.mutate_in, key,
SD.counter('path.to.newcounter', 99))
rv = cb.mutate_in(
key, SD.counter('path.to.newcounter', 99, create_parents=True))
self.assertEqual(99, rv[0])
# Increment first counter again
rv = cb.mutate_in(key, SD.counter('counter', -25))
self.assertEqual(75, rv[0])
self.assertRaises(ValueError, SD.counter, 'counter', 0)
def test_mutate_in(self):
res = None
self.bucket.upsert(
'king_arthur', {
'name': 'Arthur',
'email': '*****@*****.**',
'interests': ['Holy Grail', 'African Swallows']
})
with tracer.start_active_span('test'):
res = self.bucket.mutate_in(
'king_arthur', SD.array_addunique('interests', 'Cats'),
SD.counter('updates', 1))
assert (res)
self.assertTrue(res.success)
spans = self.recorder.queued_spans()
self.assertEqual(2, len(spans))
test_span = get_first_span_by_name(spans, 'sdk')
assert (test_span)
self.assertEqual(test_span.data["sdk"]["name"], 'test')
cb_span = get_first_span_by_name(spans, 'couchbase')
assert (cb_span)
# Same traceId and parent relationship
self.assertEqual(test_span.t, cb_span.t)
self.assertEqual(cb_span.p, test_span.s)
assert (cb_span.stack)
self.assertIsNone(cb_span.ec)
self.assertEqual(cb_span.data["couchbase"]["hostname"],
"%s:8091" % testenv['couchdb_host'])
self.assertEqual(cb_span.data["couchbase"]["bucket"], 'travel-sample')
self.assertEqual(cb_span.data["couchbase"]["type"], 'mutate_in')
def change_enrollment_count(quarterId, courseNum, offeringId, delta):
return list(
offering_bucket.mutate_in(
quarterId,
subdoc.counter(courseNum + '.' + offeringId + '.enrolled',
delta)))[0]
collection.mutate_in("array", [SD.array_insert("[1]", "cruel")])
# end::array_insert[]
# exception raised if attempt to insert in out of bounds position
try:
collection.mutate_in("array", [SD.array_insert("[6]", "!")])
except PathNotFoundException:
print("Cannot insert to out of bounds index.")
# can insert into nested arrays as long as the path is appropriate
collection.mutate_in("array", [SD.array_append("", ["another", "array"])])
collection.mutate_in("array", [SD.array_insert("[3][2]", "!")])
# tag::counter1[]
result = collection.mutate_in("customer123", (SD.counter("logins", 1),))
num_logins = collection.get("customer123").content_as[dict]["logins"]
print('Number of logins: {}.'.format(num_logins))
# Number of logins: 1.
# end::counter1[]
# tag::counter2[]
collection.upsert("player432", {"gold": 1000})
collection.mutate_in("player432", (SD.counter("gold", -150),))
result = collection.lookup_in("player432", (SD.get("gold"),))
print("{} has {} gold remaining.".format(
"player432", result.content_as[int](0)))
# player432 has 850 gold remaining.
# end::counter2[]
def like(ids):
res = cb.mutate_in(ids, [SD.counter("likes", 1, create_parents=True)])
return redirect(url_for('posts'))
from couchbase.bucket import Bucket
import couchbase.exceptions as E
import couchbase.subdocument as SD
cb = Bucket('couchbase://localhost/default')
cb.upsert('docid', {
'name': 'Mark',
'email': '*****@*****.**',
'array': [1, 2, 3, 4]
})
cb.mutate_in('docid',
# Add 42 as a new element to 'array'
SD.array_append('array', '42'),
# Increment the numeric value of the first element by 99
SD.counter('array[0]', 99),
# Add a new 'description' field
SD.upsert('description', 'just a dev'))
print('Document is now:', cb.get('docid').value)
try:
cb.mutate_in('docid', SD.upsert('deep.nested.path', 'some-value'))
except E.SubdocPathNotFoundError as e:
print('Caught exception', e)
# Use `create`
cb.mutate_in('docid', SD.upsert(
'deep.nested.path', 'some-value', create_parents=True))
print('Getting value back:', cb.retrieve_in('docid', 'deep.nested.path')[0])