1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
|
#!/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.
#
# test_assert05.py
# Timestamps: assert durable timestamp settings
#
from suite_subprocess import suite_subprocess
import wiredtiger, wttest
def timestamp_str(t):
return '%x' % t
class test_assert05(wttest.WiredTigerTestCase, suite_subprocess):
base = 'assert05'
base_uri = 'file:' + base
session_config = 'isolation=snapshot'
uri_always = base_uri + '.always.wt'
uri_def = base_uri + '.def.wt'
uri_never = base_uri + '.never.wt'
uri_none = base_uri + '.none.wt'
cfg = 'key_format=S,value_format=S,'
cfg_always = 'verbose=(write_timestamp=true),write_timestamp_usage=always,assert=(write_timestamp=on)'
cfg_def = ''
cfg_never = 'write_timestamp_usage=never,assert=(write_timestamp=on)'
cfg_none = 'assert=(write_timestamp=off)'
count = 1
#
# Commit a k/v pair making sure that it detects an error if needed, when
# used with and without a durable timestamp.
#
def insert_check(self, uri, use_ts):
c = self.session.open_cursor(uri)
key = 'key' + str(self.count)
val = 'value' + str(self.count)
# Commit with a timestamp
self.session.begin_transaction()
c[key] = val
self.session.prepare_transaction(
'prepare_timestamp=' + timestamp_str(self.count))
self.session.timestamp_transaction(
'commit_timestamp=' + timestamp_str(self.count))
self.session.timestamp_transaction(
'durable_timestamp=' + timestamp_str(self.count))
# All settings other than never should commit successfully
if (use_ts != 'never'):
self.session.commit_transaction()
else:
'''
Commented out for now: the system panics if we fail after preparing a transaction.
msg = "/timestamp set on this transaction/"
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda:self.assertEquals(self.session.commit_transaction(),
0), msg)
'''
self.session.rollback_transaction()
c.close()
self.count += 1
# Commit without a timestamp
key = 'key' + str(self.count)
val = 'value' + str(self.count)
c = self.session.open_cursor(uri)
self.session.begin_transaction()
c[key] = val
if (use_ts == 'always'):
self.session.prepare_transaction(
'prepare_timestamp=' + timestamp_str(self.count))
self.session.timestamp_transaction(
'commit_timestamp=' + timestamp_str(self.count))
# All settings other than always should commit successfully
if (use_ts != 'always' and use_ts != 'never'):
self.session.commit_transaction()
else:
'''
Commented out for now: the system panics if we fail after preparing a transaction.
msg = "/durable_timestamp is required for a prepared/"
self.assertRaisesWithMessage(wiredtiger.WiredTigerError,
lambda:self.assertEquals(self.session.commit_transaction(),
0), msg)
'''
self.session.rollback_transaction()
self.count += 1
c.close()
def test_durable_timestamp(self):
# Create a data item at a timestamp
self.session.create(self.uri_always, self.cfg + self.cfg_always)
self.session.create(self.uri_def, self.cfg + self.cfg_def)
self.session.create(self.uri_never, self.cfg + self.cfg_never)
self.session.create(self.uri_none, self.cfg + self.cfg_none)
# Check inserting into each table
self.insert_check(self.uri_always, 'always')
self.insert_check(self.uri_def, 'none')
self.insert_check(self.uri_never, 'never')
self.insert_check(self.uri_none, 'none')
if __name__ == '__main__':
wttest.run()
|
