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类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