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
|
#!/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 os
from suite_subprocess import suite_subprocess
import wttest
# test_util15.py
# Utilities: wt alter
class test_util15(wttest.WiredTigerTestCase, suite_subprocess):
tablename = 'test_util15.a'
def test_alter_process(self):
"""
Test alter in a 'wt' process
"""
params = 'key_format=S,value_format=S'
self.session.create('table:' + self.tablename, params)
self.assertTrue(self.tableExists(self.tablename))
"""
Alter access pattern and confirm
"""
acc_pat_seq="access_pattern_hint=sequential"
self.runWt(["alter", "table:" + self.tablename, acc_pat_seq])
cursor = self.session.open_cursor("metadata:create", None, None)
cursor.set_key("table:" + self.tablename)
self.assertEqual(cursor.search(),0)
string = cursor.get_value()
cursor.close()
self.assertTrue(acc_pat_seq in string)
"""
Alter access pattern again and confirm
"""
acc_pat_rand="access_pattern_hint=random"
self.runWt(["alter", "table:" + self.tablename, acc_pat_rand])
cursor = self.session.open_cursor("metadata:create", None, None)
cursor.set_key("table:" + self.tablename)
self.assertEqual(cursor.search(),0)
string = cursor.get_value()
cursor.close()
self.assertTrue(acc_pat_rand in string)
if __name__ == '__main__':
wttest.run()
|