本文整理汇总了Python中pycassa.ColumnFamilyMap.get_count方法的典型用法代码示例。如果您正苦于以下问题：Python ColumnFamilyMap.get_count方法的具体用法？Python ColumnFamilyMap.get_count怎么用？Python ColumnFamilyMap.get_count使用的例子？那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类pycassa.ColumnFamilyMap的用法示例。
在下文中一共展示了ColumnFamilyMap.get_count方法的3个代码示例，这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞，您的评价将有助于系统推荐出更棒的Python代码示例。
示例1: setUp
# 需要导入模块: from pycassa import ColumnFamilyMap [as 别名]
# 或者: from pycassa.ColumnFamilyMap import get_count [as 别名]
class TestColumnFamilyMap:
def setUp(self):
self.client = connect()
self.client.login('Keyspace1', {'username': 'jsmith', 'password': 'havebadpass'})
self.cf = ColumnFamily(self.client, 'Keyspace1', 'Standard2',
write_consistency_level=ConsistencyLevel.ONE,
timestamp=self.timestamp)
self.map = ColumnFamilyMap(TestUTF8, self.cf)
self.empty_map = ColumnFamilyMap(TestEmpty, self.cf, raw_columns=True)
try:
self.timestamp_n = int(self.cf.get('meta')['timestamp'])
except NotFoundException:
self.timestamp_n = 0
self.clear()
def tearDown(self):
self.cf.insert('meta', {'timestamp': str(self.timestamp_n)})
# Since the timestamp passed to Cassandra will be in the same second
# with the default timestamp function, causing problems with removing
# and inserting (Cassandra doesn't know which is later), we supply our own
def timestamp(self):
self.timestamp_n += 1
return self.timestamp_n
def clear(self):
for key, columns in self.cf.get_range(include_timestamp=True):
for value, timestamp in columns.itervalues():
self.timestamp_n = max(self.timestamp_n, timestamp)
self.cf.remove(key)
def instance(self, key):
instance = TestUTF8()
instance.key = key
instance.strcol = '1'
instance.intcol = 2
instance.floatcol = 3.5
instance.datetimecol = datetime.now().replace(microsecond=0)
instance.intstrcol = 8
instance.floatstrcol = 4.6
instance.datetimestrcol = datetime.now().replace(microsecond=0)
return instance
def test_will_not_insert_none(self):
for column in ('strcol', 'intcol', 'floatcol', 'datetimecol',
'intstrcol', 'floatstrcol', 'datetimestrcol'):
instance = self.instance('TestColumnFamilyMap.test_will_not_insert_none')
setattr(instance, column, None)
assert_raises(TypeError, self.map.insert, instance)
def test_empty(self):
key = 'TestColumnFamilyMap.test_empty'
assert_raises(NotFoundException, self.map.get, key)
assert len(self.map.multiget([key])) == 0
def test_insert_get(self):
instance = self.instance('TestColumnFamilyMap.test_insert_get')
assert_raises(NotFoundException, self.map.get, instance.key)
self.map.insert(instance)
assert self.map.get(instance.key) == instance
assert self.empty_map.get(instance.key).raw_columns['intstrcol'] == str(instance.intstrcol)
def test_insert_multiget(self):
instance1 = self.instance('TestColumnFamilyMap.test_insert_multiget1')
instance2 = self.instance('TestColumnFamilyMap.test_insert_multiget2')
missing_key = 'TestColumnFamilyMap.test_insert_multiget3'
self.map.insert(instance1)
self.map.insert(instance2)
rows = self.map.multiget([instance1.key, instance2.key, missing_key])
assert len(rows) == 2
assert rows[instance1.key] == instance1
assert rows[instance2.key] == instance2
assert missing_key not in rows
assert self.empty_map.multiget([instance1.key])[instance1.key].raw_columns['intstrcol'] == str(instance1.intstrcol)
def test_insert_get_count(self):
instance = self.instance('TestColumnFamilyMap.test_insert_get_count')
self.map.insert(instance)
assert self.map.get_count(instance.key) == 7
def test_insert_get_range(self):
instances = []
for i in xrange(5):
instance = self.instance('TestColumnFamilyMap.test_insert_get_range%s' % i)
instances.append(instance)
for instance in instances:
self.map.insert(instance)
rows = list(self.map.get_range(start=instances[0].key, finish=instances[-1].key))
assert len(rows) == len(instances)
assert rows == instances
assert list(self.empty_map.get_range(start=instances[0].key, finish=instances[0].key))[0].raw_columns['intstrcol'] == str(instances[0].intstrcol)
def test_remove(self):
instance = self.instance('TestColumnFamilyMap.test_remove')
self.map.insert(instance)
#.........这里部分代码省略.........
示例2: setUp
# 需要导入模块: from pycassa import ColumnFamilyMap [as 别名]
# 或者: from pycassa.ColumnFamilyMap import get_count [as 别名]
class TestColumnFamilyMap:
def setUp(self):
credentials = {'username': 'jsmith', 'password': 'havebadpass'}
self.pool = ConnectionPool(keyspace='Keyspace1', credentials=credentials)
self.cf = ColumnFamily(self.pool, 'Standard2',
autopack_names=False,
autopack_values=False)
self.indexed_cf = ColumnFamily(self.pool, 'Indexed1',
autopack_names=False,
autopack_values=False)
self.map = ColumnFamilyMap(TestUTF8, self.cf)
self.indexed_map = ColumnFamilyMap(TestIndex, self.indexed_cf)
self.empty_map = ColumnFamilyMap(TestEmpty, self.cf, raw_columns=True)
def tearDown(self):
for key, columns in self.cf.get_range():
self.cf.remove(key)
for key, columns in self.indexed_cf.get_range():
self.cf.remove(key)
def instance(self, key):
instance = TestUTF8()
instance.key = key
instance.strcol = '1'
instance.intcol = 2
instance.floatcol = 3.5
instance.datetimecol = datetime.now().replace(microsecond=0)
instance.intstrcol = 8
instance.floatstrcol = 4.6
instance.datetimestrcol = datetime.now().replace(microsecond=0)
return instance
def test_empty(self):
key = 'TestColumnFamilyMap.test_empty'
assert_raises(NotFoundException, self.map.get, key)
assert_equal(len(self.map.multiget([key])), 0)
def test_insert_get(self):
instance = self.instance('TestColumnFamilyMap.test_insert_get')
assert_raises(NotFoundException, self.map.get, instance.key)
self.map.insert(instance)
assert_equal(self.map.get(instance.key), instance)
assert_equal(self.empty_map.get(instance.key).raw_columns['intstrcol'], str(instance.intstrcol))
def test_insert_get_indexed_slices(self):
instance = TestIndex()
instance.key = 'key'
instance.birthdate = 1L
self.indexed_map.insert(instance)
instance.key = 'key2'
self.indexed_map.insert(instance)
instance.key = 'key3'
self.indexed_map.insert(instance)
expr = index.create_index_expression(column_name='birthdate', value=1L)
clause = index.create_index_clause([expr])
result = self.indexed_map.get_indexed_slices(instance, index_clause=clause)
assert_equal(len(result), 3)
assert_equal(result.get('key3'), instance)
def test_insert_multiget(self):
instance1 = self.instance('TestColumnFamilyMap.test_insert_multiget1')
instance2 = self.instance('TestColumnFamilyMap.test_insert_multiget2')
missing_key = 'TestColumnFamilyMap.test_insert_multiget3'
self.map.insert(instance1)
self.map.insert(instance2)
rows = self.map.multiget([instance1.key, instance2.key, missing_key])
assert_equal(len(rows), 2)
assert_equal(rows[instance1.key], instance1)
assert_equal(rows[instance2.key], instance2)
assert_true(missing_key not in rows)
assert_equal(self.empty_map.multiget([instance1.key])[instance1.key].raw_columns['intstrcol'], str(instance1.intstrcol))
def test_insert_get_count(self):
instance = self.instance('TestColumnFamilyMap.test_insert_get_count')
self.map.insert(instance)
assert_equal(self.map.get_count(instance.key), 7)
def test_insert_get_range(self):
instances = []
for i in xrange(5):
instance = self.instance('TestColumnFamilyMap.test_insert_get_range%s' % i)
instances.append(instance)
for instance in instances:
self.map.insert(instance)
rows = list(self.map.get_range(start=instances[0].key, finish=instances[-1].key))
assert_equal(len(rows), len(instances))
assert_equal(rows, instances)
assert_equal(list(self.empty_map.get_range(start=instances[0].key, finish=instances[0].key))[0].raw_columns['intstrcol'], str(instances[0].intstrcol))
def test_remove(self):
instance = self.instance('TestColumnFamilyMap.test_remove')
self.map.insert(instance)
self.map.remove(instance)
assert_raises(NotFoundException, self.map.get, instance.key)
#.........这里部分代码省略.........
示例3: setUp
# 需要导入模块: from pycassa import ColumnFamilyMap [as 别名]
# 或者: from pycassa.ColumnFamilyMap import get_count [as 别名]
class TestColumnFamilyMap:
def setUp(self):
self.map = ColumnFamilyMap(TestUTF8, cf)
self.indexed_map = ColumnFamilyMap(TestIndex, indexed_cf)
self.empty_map = ColumnFamilyMap(TestEmpty, cf, raw_columns=True)
def tearDown(self):
for key, columns in cf.get_range():
cf.remove(key)
for key, columns in indexed_cf.get_range():
cf.remove(key)
def instance(self, key):
instance = TestUTF8()
instance.key = key
instance.strcol = "1"
instance.intcol = 2
instance.floatcol = 3.5
instance.datetimecol = datetime.now().replace(microsecond=0)
instance.intstrcol = 8
instance.floatstrcol = 4.6
instance.datetimestrcol = datetime.now().replace(microsecond=0)
return instance
def test_empty(self):
key = "TestColumnFamilyMap.test_empty"
assert_raises(NotFoundException, self.map.get, key)
assert_equal(len(self.map.multiget([key])), 0)
def test_insert_get(self):
instance = self.instance("TestColumnFamilyMap.test_insert_get")
assert_raises(NotFoundException, self.map.get, instance.key)
self.map.insert(instance)
assert_equal(self.map.get(instance.key), instance)
assert_equal(self.empty_map.get(instance.key).raw_columns["intstrcol"], str(instance.intstrcol))
def test_insert_get_indexed_slices(self):
instance = TestIndex()
instance.key = "key"
instance.birthdate = 1L
self.indexed_map.insert(instance)
instance.key = "key2"
self.indexed_map.insert(instance)
instance.key = "key3"
self.indexed_map.insert(instance)
expr = index.create_index_expression(column_name="birthdate", value=1L)
clause = index.create_index_clause([expr])
result = self.indexed_map.get_indexed_slices(instance, index_clause=clause)
assert_equal(len(result), 3)
assert_equal(result.get("key3"), instance)
def test_insert_multiget(self):
instance1 = self.instance("TestColumnFamilyMap.test_insert_multiget1")
instance2 = self.instance("TestColumnFamilyMap.test_insert_multiget2")
missing_key = "TestColumnFamilyMap.test_insert_multiget3"
self.map.insert(instance1)
self.map.insert(instance2)
rows = self.map.multiget([instance1.key, instance2.key, missing_key])
assert_equal(len(rows), 2)
assert_equal(rows[instance1.key], instance1)
assert_equal(rows[instance2.key], instance2)
assert_true(missing_key not in rows)
assert_equal(
self.empty_map.multiget([instance1.key])[instance1.key].raw_columns["intstrcol"], str(instance1.intstrcol)
)
def test_insert_get_count(self):
instance = self.instance("TestColumnFamilyMap.test_insert_get_count")
self.map.insert(instance)
assert_equal(self.map.get_count(instance.key), 7)
def test_insert_get_range(self):
if sys_man.describe_partitioner() == "RandomPartitioner":
raise SkipTest("Cannot use RandomPartitioner for this test")
instances = []
for i in xrange(5):
instance = self.instance("TestColumnFamilyMap.test_insert_get_range%s" % i)
instances.append(instance)
for instance in instances:
self.map.insert(instance)
rows = list(self.map.get_range(start=instances[0].key, finish=instances[-1].key))
assert_equal(len(rows), len(instances))
assert_equal(rows, instances)
assert_equal(
list(self.empty_map.get_range(start=instances[0].key, finish=instances[0].key))[0].raw_columns["intstrcol"],
str(instances[0].intstrcol),
)
def test_remove(self):
instance = self.instance("TestColumnFamilyMap.test_remove")
self.map.insert(instance)
self.map.remove(instance)
assert_raises(NotFoundException, self.map.get, instance.key)
#.........这里部分代码省略.........