diff options
Diffstat (limited to 'src/third_party/wiredtiger/test/suite/test_prepare14.py')
-rw-r--r-- | src/third_party/wiredtiger/test/suite/test_prepare14.py | 104 |
1 files changed, 104 insertions, 0 deletions
diff --git a/src/third_party/wiredtiger/test/suite/test_prepare14.py b/src/third_party/wiredtiger/test/suite/test_prepare14.py new file mode 100644 index 00000000000..fb32aefc713 --- /dev/null +++ b/src/third_party/wiredtiger/test/suite/test_prepare14.py @@ -0,0 +1,104 @@ +#!/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 wttest +from wiredtiger import WT_NOTFOUND +from wtscenario import make_scenarios + +def timestamp_str(t): + return '%x' % t + +# test_prepare14.py +# Test that the transaction visibility of an on-disk update +# that has both the start and the stop time points from the +# same uncommitted prepared transaction. +class test_prepare14(wttest.WiredTigerTestCase): + session_config = 'isolation=snapshot' + + in_memory_values = [ + ('no_inmem', dict(in_memory=False)), + ('inmem', dict(in_memory=True)) + ] + + key_format_values = [ + ('column', dict(key_format='r')), + ('integer_row', dict(key_format='i')), + ] + + scenarios = make_scenarios(in_memory_values, key_format_values) + + def conn_config(self): + config = 'cache_size=50MB' + if self.in_memory: + config += ',in_memory=true' + else: + config += ',in_memory=false' + return config + + def test_prepare14(self): + # Prepare transactions for column store table is not yet supported. + if self.key_format == 'r': + self.skipTest('Prepare transactions for column store table is not yet supported') + + # Create a table without logging. + uri = "table:prepare14" + create_config = 'allocation_size=512,key_format=S,value_format=S' + self.session.create(uri, create_config) + + # Pin oldest and stable timestamps to 10. + self.conn.set_timestamp('oldest_timestamp=' + timestamp_str(10) + + ',stable_timestamp=' + timestamp_str(10)) + + value = 'a' + + # Perform several updates and removes. + s = self.conn.open_session() + cursor = s.open_cursor(uri) + s.begin_transaction() + cursor[str(0)] = value + cursor.set_key(str(0)) + cursor.remove() + cursor.close() + s.prepare_transaction('prepare_timestamp=' + timestamp_str(20)) + + # Configure debug behavior on a cursor to evict the page positioned on when the reset API is used. + evict_cursor = self.session.open_cursor(uri, None, "debug=(release_evict)") + + # Search for the key so we position our cursor on the page that we want to evict. + self.session.begin_transaction("ignore_prepare = true") + evict_cursor.set_key(str(0)) + self.assertEquals(evict_cursor.search(), WT_NOTFOUND) + evict_cursor.reset() + evict_cursor.close() + self.session.commit_transaction() + + self.session.begin_transaction("ignore_prepare = true") + cursor2 = self.session.open_cursor(uri) + cursor2.set_key(str(0)) + self.assertEquals(cursor2.search(), WT_NOTFOUND) + self.session.commit_transaction() |