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#!/usr/bin/env python
#
# Public Domain 2014-2019 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_timestamp12.py
# Timestamps: Test the use_timestamp setting when closing the connection.
#
import shutil, os, wiredtiger, wttest
from wtscenario import make_scenarios
def timestamp_str(t):
return '%x' % t
class test_timestamp12(wttest.WiredTigerTestCase):
conn_config = 'config_base=false,create,log=(enabled)'
coll_uri = 'table:collection12'
oplog_uri = 'table:oplog12'
closecfg = [
('dfl', dict(close_cfg='', all_expected=False)),
('use_stable', dict(close_cfg='use_timestamp=true', all_expected=False)),
('all_dirty', dict(close_cfg='use_timestamp=false', all_expected=True)),
]
scenarios = make_scenarios(closecfg)
def verify_expected(self, op_exp, coll_exp):
c_op = self.session.open_cursor(self.oplog_uri)
c_coll = self.session.open_cursor(self.coll_uri)
op_actual = dict((k, v) for k, v in c_op if v != 0)
coll_actual = dict((k, v) for k, v in c_coll if v != 0)
#print "CHECK: Op Expected"
#print op_exp
#print "CHECK: Op Actual"
#print op_actual
self.assertTrue(op_actual == op_exp)
#print "CHECK: Coll Expected"
#print coll_exp
#print "CHECK: Coll Actual"
#print coll_actual
self.assertTrue(coll_actual == coll_exp)
def test_timestamp_recovery(self):
#
# Create several collection-like tables that are checkpoint durability.
# Add data to each of them separately and checkpoint so that each one
# has a different stable timestamp.
#
self.session.create(self.oplog_uri, 'key_format=i,value_format=i')
self.session.create(self.coll_uri, 'key_format=i,value_format=i,log=(enabled=false)')
c_op = self.session.open_cursor(self.oplog_uri)
c_coll = self.session.open_cursor(self.coll_uri)
# Begin by adding some data.
nentries = 10
first_range = range(1, nentries)
second_range = range(nentries, nentries*2)
all_keys = range(1, nentries*2)
for i in first_range:
self.session.begin_transaction()
c_op[i] = 1
c_coll[i] = 1
self.session.commit_transaction(
'commit_timestamp=' + timestamp_str(i))
# Set the oldest and stable timestamp to the end.
self.conn.set_timestamp('oldest_timestamp=' + timestamp_str(nentries-1) +
',stable_timestamp=' + timestamp_str(nentries-1))
# Add more data but don't advance the stable timestamp.
for i in second_range:
self.session.begin_transaction()
c_op[i] = 1
c_coll[i] = 1
self.pr("i: " + str(i))
self.session.commit_transaction(
'commit_timestamp=' + timestamp_str(i))
# Close and reopen the connection. We cannot use reopen_conn because
# we want to test the specific close configuration string.
self.close_conn(self.close_cfg)
self.open_conn()
# Set up our expected data and verify after the reopen.
op_exp = dict((k, 1) for k in all_keys)
if self.all_expected == True:
coll_exp = dict((k, 1) for k in all_keys)
else:
coll_exp = dict((k, 1) for k in first_range)
self.verify_expected(op_exp, coll_exp)
if __name__ == '__main__':
wttest.run()
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