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Python ColumnFamily.multiget_count方法代码示例

本文整理汇总了Python中pycassa.ColumnFamily.multiget_count方法的典型用法代码示例。如果您正苦于以下问题:Python ColumnFamily.multiget_count方法的具体用法?Python ColumnFamily.multiget_count怎么用?Python ColumnFamily.multiget_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pycassa.ColumnFamily的用法示例。


在下文中一共展示了ColumnFamily.multiget_count方法的2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 ColumnFamily [as 别名]
# 或者: from pycassa.ColumnFamily import multiget_count [as 别名]
class TestColumnFamily:
    def setUp(self):
        credentials = {'username': 'jsmith', 'password': 'havebadpass'}
        self.client = connect('Keyspace1', credentials=credentials)
        self.cf = ColumnFamily(self.client, 'Standard2',
                               write_consistency_level=ConsistencyLevel.ONE,
                               buffer_size=2, timestamp=self.timestamp,
                               dict_class=TestDict)
        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 test_empty(self):
        key = 'TestColumnFamily.test_empty'
        assert_raises(NotFoundException, self.cf.get, key)
        assert len(self.cf.multiget([key])) == 0
        for key, columns in self.cf.get_range():
            assert len(columns) == 0

    def test_insert_get(self):
        key = 'TestColumnFamily.test_insert_get'
        columns = {'1': 'val1', '2': 'val2'}
        assert_raises(NotFoundException, self.cf.get, key)
        self.cf.insert(key, columns)
        assert self.cf.get(key) == columns

    def test_insert_multiget(self):
        key1 = 'TestColumnFamily.test_insert_multiget1'
        columns1 = {'1': 'val1', '2': 'val2'}
        key2 = 'test_insert_multiget1'
        columns2 = {'3': 'val1', '4': 'val2'}
        missing_key = 'key3'

        self.cf.insert(key1, columns1)
        self.cf.insert(key2, columns2)
        rows = self.cf.multiget([key1, key2, missing_key])
        assert len(rows) == 2
        assert rows[key1] == columns1
        assert rows[key2] == columns2
        assert missing_key not in rows

    def test_insert_get_count(self):
        key = 'TestColumnFamily.test_insert_get_count'
        columns = {'1': 'val1', '2': 'val2'}
        self.cf.insert(key, columns)
        assert self.cf.get_count(key) == 2

        assert_equal(self.cf.get_count(key, column_start='1'), 2)
        assert_equal(self.cf.get_count(key, column_finish='2'), 2)
        assert_equal(self.cf.get_count(key, column_start='1', column_finish='2'), 2)
        assert_equal(self.cf.get_count(key, column_start='1', column_finish='1'), 1)
        assert_equal(self.cf.get_count(key, columns=['1','2']), 2)
        assert_equal(self.cf.get_count(key, columns=['1']), 1)

    def test_insert_multiget_count(self):
        keys = ['TestColumnFamily.test_insert_multiget_count1',
               'TestColumnFamily.test_insert_multiget_count2',
               'TestColumnFamily.test_insert_multiget_count3']
        columns = {'1': 'val1', '2': 'val2'}
        for key in keys:
            self.cf.insert(key, columns)
        result = self.cf.multiget_count(keys)
        assert_equal(result[keys[0]], 2)
        assert_equal(result[keys[1]], 2)
        assert_equal(result[keys[2]], 2)

        result = self.cf.multiget_count(keys, column_start='1')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 2)

        result = self.cf.multiget_count(keys, column_finish='2')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 2)

        result = self.cf.multiget_count(keys, column_start='1', column_finish='2')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 2)

        result = self.cf.multiget_count(keys, column_start='1', column_finish='1')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 1)

#.........这里部分代码省略.........
开发者ID:dln,项目名称:pycassa,代码行数:103,代码来源:test_columnfamily.py

示例2: TestColumnFamily

# 需要导入模块: from pycassa import ColumnFamily [as 别名]
# 或者: from pycassa.ColumnFamily import multiget_count [as 别名]
class TestColumnFamily(unittest.TestCase):

    def setUp(self):
        credentials = {'username': 'jsmith', 'password': 'havebadpass'}
        self.pool = ConnectionPool(keyspace='Keyspace1', credentials=credentials)
        self.cf = ColumnFamily(self.pool, 'Standard2', dict_class=TestDict)

    def tearDown(self):
        for key, columns in self.cf.get_range():
            self.cf.remove(key)

    def test_empty(self):
        key = 'TestColumnFamily.test_empty'
        assert_raises(NotFoundException, self.cf.get, key)
        assert_equal(len(self.cf.multiget([key])), 0)
        for key, columns in self.cf.get_range():
            assert_equal(len(columns), 0)

    def test_insert_get(self):
        key = 'TestColumnFamily.test_insert_get'
        columns = {'1': 'val1', '2': 'val2'}
        assert_raises(NotFoundException, self.cf.get, key)
        self.cf.insert(key, columns)
        assert_equal(self.cf.get(key), columns)

    def test_insert_multiget(self):
        key1 = 'TestColumnFamily.test_insert_multiget1'
        columns1 = {'1': 'val1', '2': 'val2'}
        key2 = 'test_insert_multiget1'
        columns2 = {'3': 'val1', '4': 'val2'}
        missing_key = 'key3'

        self.cf.insert(key1, columns1)
        self.cf.insert(key2, columns2)
        rows = self.cf.multiget([key1, key2, missing_key])
        assert_equal(len(rows), 2)
        assert_equal(rows[key1], columns1)
        assert_equal(rows[key2], columns2)
        assert_true(missing_key not in rows)

    def test_insert_get_count(self):
        key = 'TestColumnFamily.test_insert_get_count'
        columns = {'1': 'val1', '2': 'val2'}
        self.cf.insert(key, columns)
        assert_equal(self.cf.get_count(key), 2)

        assert_equal(self.cf.get_count(key, column_start='1'), 2)
        assert_equal(self.cf.get_count(key, column_finish='2'), 2)
        assert_equal(self.cf.get_count(key, column_start='1', column_finish='2'), 2)
        assert_equal(self.cf.get_count(key, column_start='1', column_finish='1'), 1)
        assert_equal(self.cf.get_count(key, columns=['1','2']), 2)
        assert_equal(self.cf.get_count(key, columns=['1']), 1)

    def test_insert_multiget_count(self):
        keys = ['TestColumnFamily.test_insert_multiget_count1',
               'TestColumnFamily.test_insert_multiget_count2',
               'TestColumnFamily.test_insert_multiget_count3']
        columns = {'1': 'val1', '2': 'val2'}
        for key in keys:
            self.cf.insert(key, columns)
        result = self.cf.multiget_count(keys)
        assert_equal(result[keys[0]], 2)
        assert_equal(result[keys[1]], 2)
        assert_equal(result[keys[2]], 2)

        result = self.cf.multiget_count(keys, column_start='1')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 2)

        result = self.cf.multiget_count(keys, column_finish='2')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 2)

        result = self.cf.multiget_count(keys, column_start='1', column_finish='2')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 2)

        result = self.cf.multiget_count(keys, column_start='1', column_finish='1')
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 1)

        result = self.cf.multiget_count(keys, columns=['1','2'])
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 2)

        result = self.cf.multiget_count(keys, columns=['1'])
        assert_equal(len(result), 3)
        assert_equal(result[keys[0]], 1)

    def test_insert_get_range(self):
        keys = ['TestColumnFamily.test_insert_get_range%s' % i for i in xrange(5)]
        columns = {'1': 'val1', '2': 'val2'}
        for key in keys:
            self.cf.insert(key, columns)

        rows = list(self.cf.get_range(start=keys[0], finish=keys[-1]))
        assert_equal(len(rows), len(keys))
        for i, (k, c) in enumerate(rows):
            assert_equal(k, keys[i])
            assert_equal(c, columns)
#.........这里部分代码省略.........
开发者ID:trhowe,项目名称:pycassa,代码行数:103,代码来源:test_columnfamily.py


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