#!/usr/bin/env python # # Public Domain 2014-present MongoDB, Inc. # Public Domain 2008-2014 WiredTiger, Inc. # # This is free and unencumbered software released into the public domain. # # Anyone is free to copy, modify, publish, use, compile, sell, or # distribute this software, either in source code form or as a compiled # binary, for any purpose, commercial or non-commercial, and by any # means. # # In jurisdictions that recognize copyright laws, the author or authors # of this software dedicate any and all copyright interest in the # software to the public domain. We make this dedication for the benefit # of the public at large and to the detriment of our heirs and # successors. We intend this dedication to be an overt act of # relinquishment in perpetuity of all present and future rights to this # software under copyright law. # # THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, # EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF # MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. # IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR # OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, # ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR # OTHER DEALINGS IN THE SOFTWARE. import wiredtiger, wttest def timestamp_str(t): return '%x' % t # test_prepare11.py # Test prepare rollback with a reserved update between updates. class test_prepare11(wttest.WiredTigerTestCase): conn_config = 'cache_size=2MB,statistics=(all)' session_config = 'isolation=snapshot' def test_prepare_update_rollback(self): uri = "table:test_prepare11" self.session.create(uri, 'key_format=S,value_format=S') self.session.begin_transaction("isolation=snapshot") # In the scenario where we have a reserved update in between two updates, the key repeated # flag won't get set and we'll call resolve prepared op on both prepared updates. c = self.session.open_cursor(uri, None) c['key1'] = 'xxxx' c.set_key('key1') c.reserve() c['key1'] = 'yyyy' self.session.prepare_transaction('prepare_timestamp=10') self.session.rollback_transaction()