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#!/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 wttest
from wtscenario import make_scenarios
# test_hs25.py
# Ensure updates structure is correct when processing each key.
class test_hs25(wttest.WiredTigerTestCase):
conn_config = 'cache_size=50MB'
session_config = 'isolation=snapshot'
uri = 'table:test_hs25'
format_values = [
('column', dict(key_format='r', value_format='S')),
('column_fix', dict(key_format='r', value_format='8t')),
('integer_row', dict(key_format='i', value_format='S')),
]
scenarios = make_scenarios(format_values)
def test_insert_updates_hs(self):
self.conn.set_timestamp('oldest_timestamp=' + self.timestamp_str(1))
self.conn.set_timestamp('stable_timestamp=' + self.timestamp_str(1))
format = 'key_format={},value_format={}'.format(self.key_format, self.value_format)
self.session.create(self.uri, format)
s = self.conn.open_session()
if self.value_format == '8t':
valuea = 97
valueb = 98
valuec = 99
else:
valuea = 'a'
valueb = 'b'
valuec = 'c'
# Update the first key.
cursor1 = self.session.open_cursor(self.uri)
self.session.begin_transaction()
cursor1[1] = valuea
self.session.commit_transaction('commit_timestamp=' + self.timestamp_str(2))
# Update the second key.
self.session.begin_transaction()
cursor1[2] = valuea
self.session.commit_transaction('commit_timestamp=' + self.timestamp_str(2))
self.session.begin_transaction()
cursor1[2] = valueb
self.session.commit_transaction('commit_timestamp=' + self.timestamp_str(3))
# Prepared update on the first key.
self.session.begin_transaction()
cursor1[1] = valueb
cursor1[1] = valuec
self.session.prepare_transaction('prepare_timestamp=' + self.timestamp_str(4))
# Run eviction cursor.
s.begin_transaction('ignore_prepare=true')
evict_cursor = s.open_cursor(self.uri, None, 'debug=(release_evict)')
self.assertEqual(evict_cursor[1], valuea)
self.assertEqual(evict_cursor[2], valueb)
s.rollback_transaction()
self.session.rollback_transaction()
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