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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 sys, wiredtiger, wttest
from helper_tiered import TieredConfigMixin, gen_tiered_storage_sources
from wtscenario import make_scenarios
# test_alter02.py
# Smoke-test the session alter operations.
class test_alter02(TieredConfigMixin, wttest.WiredTigerTestCase):
entries = 500
# Binary values.
value = u'\u0001\u0002abcd\u0003\u0004'
value2 = u'\u0001\u0002dcba\u0003\u0004'
conn_log = [
('conn-always-logged', dict(conncreate=True, connreopen=True)),
('conn-create-logged', dict(conncreate=True, connreopen=False)),
('conn-reopen-logged', dict(conncreate=False, connreopen=True)),
('conn-never-logged', dict(conncreate=False, connreopen=False)),
]
types = [
('file', dict(uri='file:', use_cg=False, use_index=False)),
('lsm', dict(uri='lsm:', use_cg=False, use_index=False)),
('table-cg', dict(uri='table:', use_cg=True, use_index=False)),
('table-index', dict(uri='table:', use_cg=False, use_index=True)),
('table-simple', dict(uri='table:', use_cg=False, use_index=False)),
]
tables = [
('always-logged', dict(name='table0', logcreate=True, logalter=True)),
('create-logged', dict(name='table1', logcreate=True, logalter=False)),
('alter-logged', dict(name='table2', logcreate=False, logalter=True)),
('never-logged', dict(name='table3', logcreate=False, logalter=False)),
]
reopen = [
('no-reopen', dict(reopen=False)),
('reopen', dict(reopen=True)),
]
tiered_storage_sources = gen_tiered_storage_sources()
scenarios = make_scenarios(tiered_storage_sources, conn_log, types, tables, reopen)
# This test varies the log setting. Override the standard methods.
def setUpConnectionOpen(self, dir):
return None
def setUpSessionOpen(self, conn):
return None
def ConnectionOpen(self):
self.home = '.'
tiered_config = self.conn_config()
tiered_config += self.extensionsConfig()
# In case the open starts additional threads, flush first to avoid confusion.
sys.stdout.flush()
conn_params = 'create,log=(file_max=100K,remove=false,%s)' % self.uselog
if tiered_config != '':
conn_params += ',' + tiered_config
try:
self.conn = wiredtiger.wiredtiger_open(self.home, conn_params)
except wiredtiger.WiredTigerError as e:
print("Failed conn at '%s' with config '%s'" % (dir, conn_params))
self.session = self.conn.open_session()
# Verify the metadata string for this URI and that its setting in the
# metadata file is correct.
def verify_metadata(self, metastr):
if metastr == '':
return
cursor = self.session.open_cursor('metadata:', None, None)
#
# Walk through all the metadata looking for the entries that are
# the file URIs for components of the table.
#
found = False
while True:
ret = cursor.next()
if ret != 0:
break
key = cursor.get_key()
check_meta = ((key.find("lsm:") != -1 or key.find("file:") != -1) \
and key.find(self.name) != -1)
if check_meta:
value = cursor[key]
found = True
self.assertTrue(value.find(metastr) != -1)
cursor.close()
self.assertTrue(found == True)
# Verify the data in the log. If the data should be logged we write one
# value. If it should not be logged, we write a different value.
def verify_logrecs(self, expected_keys):
c = self.session.open_cursor('log:', None, None)
count = 0
while c.next() == 0:
# lsn.file, lsn.offset, opcount
keys = c.get_key()
# txnid, rectype, optype, fileid, logrec_key, logrec_value
values = c.get_value()
if self.value.encode() in values[5]: # logrec_value
count += 1
self.assertFalse(self.value2.encode() in values[5])
c.close()
#
# We check that we saw the expected keys at twice the rate because
# the log cursor, for each commit record, will first return the entire,
# full record, and then return the individual operation. We will detect
# the string in both records.
self.assertEqual(count, expected_keys * 2)
# Alter: Change the log setting after creation
def test_alter02_log(self):
if self.is_tiered_scenario() and (self.uri == 'lsm:' or self.uri == 'file:'):
self.skipTest('Tiered storage does not support LSM or file URIs.')
uri = self.uri + self.name
create_params = 'key_format=i,value_format=S,'
complex_params = ''
# Set up logging for the connection.
if self.conncreate:
self.uselog = 'enabled=true'
conn_logged = 1
else:
self.uselog = 'enabled=false'
conn_logged = 0
self.ConnectionOpen()
# Set up logging for the table.
if self.logcreate:
log_param = 'log=(enabled=true)'
table_logged = 1
else:
log_param = 'log=(enabled=false)'
table_logged = 0
create_params += '%s,' % log_param
complex_params += '%s,' % log_param
cgparam = ''
if self.use_cg or self.use_index:
cgparam = 'columns=(k,v),'
if self.use_cg:
cgparam += 'colgroups=(g0),'
self.session.create(uri, create_params + cgparam)
# Add in column group or index settings.
if self.use_cg:
cgparam = 'columns=(v),'
suburi = 'colgroup:' + self.name + ':g0'
self.session.create(suburi, complex_params + cgparam)
if self.use_index:
suburi = 'index:' + self.name + ':i0'
self.session.create(suburi, complex_params + cgparam)
# Put some data in table.
c = self.session.open_cursor(uri, None)
if self.logcreate:
myvalue = self.value
else:
myvalue = self.value2
for k in range(self.entries):
c[k] = myvalue
c.close()
# Verify the logging string in the metadata.
self.verify_metadata(log_param)
# Verify the logged operations only if logging is enabled.
expected_keys = conn_logged * table_logged * self.entries
if conn_logged != 0:
self.pr("EXPECTED KEYS 1: " + str(expected_keys))
self.verify_logrecs(expected_keys)
# Set the alter setting for the table.
if self.logalter:
log_str = 'log=(enabled=true)'
table_logged = 1
else:
log_str = 'log=(enabled=false)'
table_logged = 0
alter_param = '%s' % log_str
special = self.use_cg or self.use_index
# Set the log setting on the new connection.
if self.reopen:
if self.connreopen:
self.uselog = 'enabled=true'
conn_logged = 1
else:
self.uselog = 'enabled=false'
conn_logged = 0
self.conn.close()
self.ConnectionOpen()
self.session.alter(uri, alter_param)
if special:
self.session.alter(suburi, alter_param)
self.verify_metadata(log_str)
# Put some more data in table.
c = self.session.open_cursor(uri, None)
if self.logalter:
myvalue = self.value
else:
myvalue = self.value2
for k in range(self.entries):
c[k + self.entries] = myvalue
c.close()
# If we logged the new connection and the table, add in the
# number of keys we expect.
expected_keys += conn_logged * table_logged * self.entries
# if self.logalter and self.connreopen == self.reopen:
# expected_keys += self.entries
# If we logged the connection at any time then check
# the log records.
if self.conncreate or (self.connreopen and self.reopen):
self.pr("EXPECTED KEYS 2: " + str(expected_keys))
self.verify_logrecs(expected_keys)
if __name__ == '__main__':
wttest.run()
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