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Python DatabaseBroker.get_replication_info方法代码示例

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


在下文中一共展示了DatabaseBroker.get_replication_info方法的1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: get_replication_info_tester

# 需要导入模块: from swift.common.db import DatabaseBroker [as 别名]
# 或者: from swift.common.db.DatabaseBroker import get_replication_info [as 别名]
    def get_replication_info_tester(self, metadata=False):
        broker = DatabaseBroker(':memory:', account='a')
        broker.db_type = 'test'
        broker.db_contains_type = 'test'
        broker_creation = normalize_timestamp(1)
        broker_uuid = str(uuid4())
        broker_metadata = metadata and simplejson.dumps(
            {'Test': ('Value', normalize_timestamp(1))}) or ''

        def _initialize(conn, put_timestamp):
            if put_timestamp is None:
                put_timestamp = normalize_timestamp(0)
            conn.executescript('''
                CREATE TABLE test (
                    ROWID INTEGER PRIMARY KEY AUTOINCREMENT,
                    name TEXT UNIQUE,
                    created_at TEXT
                );
                CREATE TRIGGER test_insert AFTER INSERT ON test
                BEGIN
                    UPDATE test_stat
                    SET test_count = test_count + 1,
                        hash = chexor(hash, new.name, new.created_at);
                END;
                CREATE TRIGGER test_update BEFORE UPDATE ON test
                BEGIN
                    SELECT RAISE(FAIL,
                                 'UPDATE not allowed; DELETE and INSERT');
                END;
                CREATE TRIGGER test_delete AFTER DELETE ON test
                BEGIN
                    UPDATE test_stat
                    SET test_count = test_count - 1,
                        hash = chexor(hash, old.name, old.created_at);
                END;
                CREATE TABLE test_stat (
                    account TEXT,
                    created_at TEXT,
                    put_timestamp TEXT DEFAULT '0',
                    delete_timestamp TEXT DEFAULT '0',
                    test_count INTEGER,
                    hash TEXT default '00000000000000000000000000000000',
                    id TEXT
                    %s
                );
                INSERT INTO test_stat (test_count) VALUES (0);
            ''' % (metadata and ", metadata TEXT DEFAULT ''" or ""))
            conn.execute('''
                UPDATE test_stat
                SET account = ?, created_at = ?,  id = ?, put_timestamp = ?
            ''', (broker.account, broker_creation, broker_uuid, put_timestamp))
            if metadata:
                conn.execute('UPDATE test_stat SET metadata = ?',
                             (broker_metadata,))
            conn.commit()
        broker._initialize = _initialize
        put_timestamp = normalize_timestamp(2)
        broker.initialize(put_timestamp)
        info = broker.get_replication_info()
        self.assertEquals(info, {
            'count': 0,
            'hash': '00000000000000000000000000000000',
            'created_at': broker_creation, 'put_timestamp': put_timestamp,
            'delete_timestamp': '0', 'max_row': -1, 'id': broker_uuid,
            'metadata': broker_metadata})
        insert_timestamp = normalize_timestamp(3)
        with broker.get() as conn:
            conn.execute('''
                INSERT INTO test (name, created_at) VALUES ('test', ?)
            ''', (insert_timestamp,))
            conn.commit()
        info = broker.get_replication_info()
        self.assertEquals(info, {
            'count': 1,
            'hash': 'bdc4c93f574b0d8c2911a27ce9dd38ba',
            'created_at': broker_creation, 'put_timestamp': put_timestamp,
            'delete_timestamp': '0', 'max_row': 1, 'id': broker_uuid,
            'metadata': broker_metadata})
        with broker.get() as conn:
            conn.execute('DELETE FROM test')
            conn.commit()
        info = broker.get_replication_info()
        self.assertEquals(info, {
            'count': 0,
            'hash': '00000000000000000000000000000000',
            'created_at': broker_creation, 'put_timestamp': put_timestamp,
            'delete_timestamp': '0', 'max_row': 1, 'id': broker_uuid,
            'metadata': broker_metadata})
        return broker
开发者ID:JioCloud,项目名称:swift,代码行数:91,代码来源:test_db.py


注:本文中的swift.common.db.DatabaseBroker.get_replication_info方法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。