当前位置: 首页>>代码示例>>Python>>正文


Python query.BatchQuery类代码示例

本文整理汇总了Python中cqlengine.query.BatchQuery的典型用法代码示例。如果您正苦于以下问题:Python BatchQuery类的具体用法?Python BatchQuery怎么用?Python BatchQuery使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。


在下文中一共展示了BatchQuery类的8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: test_batch_is_executed

    def test_batch_is_executed(self):
        b = BatchQuery()
        inst = TestMultiKeyModel.batch(b).create(partition=self.pkey, cluster=2, count=3, text='4')

        with self.assertRaises(TestMultiKeyModel.DoesNotExist):
            TestMultiKeyModel.get(partition=self.pkey, cluster=2)

        b.execute()
开发者ID:EverythingMe,项目名称:cqlengine,代码行数:8,代码来源:test_batch_query.py

示例2: test_delete_success_case

    def test_delete_success_case(self):

        inst = TestMultiKeyModel.create(partition=self.pkey, cluster=2, count=3, text='4')

        b = BatchQuery()

        inst.batch(b).delete()

        TestMultiKeyModel.get(partition=self.pkey, cluster=2)

        b.execute()

        with self.assertRaises(TestMultiKeyModel.DoesNotExist):
            TestMultiKeyModel.get(partition=self.pkey, cluster=2)
开发者ID:amygdalama,项目名称:cqlengine,代码行数:14,代码来源:test_batch_query.py

示例3: test_update_success_case

    def test_update_success_case(self):

        inst = TestMultiKeyModel.create(partition=self.pkey, cluster=2, count=3, text='4')

        b = BatchQuery()

        inst.count = 4
        inst.batch(b).save()

        inst2 = TestMultiKeyModel.get(partition=self.pkey, cluster=2)
        assert inst2.count == 3

        b.execute()

        inst3 = TestMultiKeyModel.get(partition=self.pkey, cluster=2)
        assert inst3.count == 4
开发者ID:amygdalama,项目名称:cqlengine,代码行数:16,代码来源:test_batch_query.py

示例4: Batch

class Batch(BatchQuery):
    '''
    Performs a batch of insert queries using async connections
    '''

    def __init__(self, **kwargs):
        self.instances = []
        self._batch = BatchQuery()

    def batch_insert(self, model_instance):
        self.instances.append(model_instance)

    def __enter__(self):
        return self

    def add_query(self, query):
        self._batch.add_query(query)

    def add_callback(self, fn, *args, **kwargs):
        raise TypeError('not supported')

    def execute(self):
        promises = []
        session = get_session()
        for instance in self.instances:
            query = instance.__dmlquery__(instance.__class__, instance)
            query.batch(self._batch)
            query.save()

        for query in self._batch.queries:
            statement = SimpleStatement(str(query))
            params = query.get_context()
            promises.append(session.execute_async(statement, params))

        return [r.result() for r in promises]

    def __exit__(self, exc_type, exc_val, exc_tb):
        self.execute()
开发者ID:Anislav,项目名称:Stream-Framework,代码行数:38,代码来源:timeline_storage.py

示例5: test_callbacks_properly_execute_callables_and_tuples

    def test_callbacks_properly_execute_callables_and_tuples(self):

        call_history = []
        def my_callback(*args, **kwargs):
            call_history.append(args)

        # adding on init:
        batch = BatchQuery()

        batch.add_callback(my_callback)
        batch.add_callback(my_callback, 'more', 'args')

        batch.execute()

        assert len(call_history) == 2
        assert [(), ('more', 'args')] == call_history
开发者ID:clabra,项目名称:cqlengine,代码行数:16,代码来源:test_batch_query.py

示例6: test_API_managing_callbacks

    def test_API_managing_callbacks(self):

        # Callbacks can be added at init and after

        def my_callback(*args, **kwargs):
            pass

        # adding on init:
        batch = BatchQuery()

        batch.add_callback(my_callback)
        batch.add_callback(my_callback, 2, named_arg='value')
        batch.add_callback(my_callback, 1, 3)

        assert batch._callbacks == [
            (my_callback, (), {}),
            (my_callback, (2,), {'named_arg':'value'}),
            (my_callback, (1, 3), {})
        ]
开发者ID:clabra,项目名称:cqlengine,代码行数:19,代码来源:test_batch_query.py

示例7: test_empty_batch

    def test_empty_batch(self):
        b = BatchQuery()
        b.execute()

        with BatchQuery() as b:
            pass
开发者ID:bmaeser,项目名称:cqlengine,代码行数:6,代码来源:test_batch_query.py

示例8: __init__

 def __init__(self, **kwargs):
     self.instances = []
     self._batch = BatchQuery()
开发者ID:Anislav,项目名称:Stream-Framework,代码行数:3,代码来源:timeline_storage.py


注:本文中的cqlengine.query.BatchQuery类示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。