76 lines
2.9 KiB
Python
76 lines
2.9 KiB
Python
#!/usr/bin/env python
|
|
#
|
|
# Public Domain 2014-2016 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 wiredtiger, wttest
|
|
from helper import copy_wiredtiger_home, key_populate, simple_populate
|
|
|
|
# test_bug014.py
|
|
# JIRA WT-2115: fast-delete pages can be incorrectly lost due to a crash.
|
|
class test_bug014(wttest.WiredTigerTestCase):
|
|
def test_bug014(self):
|
|
# Populate a table with 1000 keys on small pages.
|
|
uri = 'table:test_bug014'
|
|
simple_populate(self, uri,
|
|
'allocation_size=512,leaf_page_max=512,key_format=S', 1000)
|
|
|
|
# Reopen it so we can fast-delete pages.
|
|
self.reopen_conn()
|
|
|
|
# Truncate a chunk of the key/value pairs inside a transaction.
|
|
self.session.begin_transaction(None)
|
|
start = self.session.open_cursor(uri, None)
|
|
start.set_key(key_populate(start, 250))
|
|
end = self.session.open_cursor(uri, None)
|
|
end.set_key(key_populate(end, 500))
|
|
self.session.truncate(None, start, end, None)
|
|
start.close()
|
|
end.close()
|
|
|
|
# With the truncation uncommitted, checkpoint the database.
|
|
ckpt_session = self.conn.open_session()
|
|
ckpt_session.checkpoint(None)
|
|
ckpt_session.close()
|
|
|
|
# Simulate a crash by copying to a new directory.
|
|
copy_wiredtiger_home(".", "RESTART")
|
|
|
|
# Open the new directory.
|
|
conn = self.setUpConnectionOpen("RESTART")
|
|
session = self.setUpSessionOpen(conn)
|
|
cursor = session.open_cursor(uri)
|
|
|
|
# Confirm all of the records are there.
|
|
for i in range(1, 1001):
|
|
cursor.set_key(key_populate(cursor, i))
|
|
self.assertEqual(cursor.search(), 0)
|
|
|
|
conn.close()
|
|
|
|
if __name__ == '__main__':
|
|
wttest.run()
|