def test_open_index_and_drop(self):
# We should also be able to detect cached cursors
# for indices
session = self.session
uri = 'table:test_cursor13_drops'
ds = ComplexDataSet(self, uri, 100)
ds.create()
indexname = ds.index_name(0)
c = session.open_cursor(indexname)
# The index is really open, so we cannot drop the main table.
self.assertRaises(wiredtiger.WiredTigerError,
lambda: session.drop(uri))
c.close()
session.drop(uri)
confirm_does_not_exist(self, uri)
# Same test for indices, but with cursor held by another session.
# TODO: try with session that DOES have cache_cursors and another
# that does not.
session2 = self.conn.open_session(None)
ds = ComplexDataSet(self, uri, 100)
ds.create()
indexname = ds.index_name(0)
c = session2.open_cursor(indexname)
self.assertRaises(wiredtiger.WiredTigerError,
lambda: session.drop(uri))
c.close()
session.drop(uri)
confirm_does_not_exist(self, uri)
session2.close()
def test_open_index_and_drop(self):
# We should also be able to detect cached cursors
# for indices
session = self.session
uri = 'table:test_cursor13_drops'
ds = ComplexDataSet(self, uri, 100)
ds.create()
indexname = ds.index_name(0)
c = session.open_cursor(indexname)
# The index is really open, so we cannot drop the main table.
self.assertRaises(wiredtiger.WiredTigerError,
lambda: session.drop(uri))
c.close()
session.drop(uri)
confirm_does_not_exist(self, uri)
# Same test for indices, but with cursor held by another session.
# TODO: try with session that DOES have cache_cursors and another
# that does not.
session2 = self.conn.open_session(None)
ds = ComplexDataSet(self, uri, 100)
ds.create()
indexname = ds.index_name(0)
c = session2.open_cursor(indexname)
self.assertRaises(wiredtiger.WiredTigerError,
lambda: session.drop(uri))
c.close()
session.drop(uri)
confirm_does_not_exist(self, uri)
session2.close()
def test_bug025(self):
ds = ComplexDataSet(self, self.uri, self.nrows, key_format="S", value_format='S')
ds.populate()
iname = ds.index_name(0)
iname_suffix = iname[iname.rindex(':') + 1:]
filename = 'test_bug025_' + iname_suffix + '.wti'
self.close_conn()
pos = os.path.getsize(filename) - 1024
os.remove(filename)
# We get an error message, but the open succeeds.
with self.expectedStderrPattern('.*No such file or directory'):
self.open_conn()
newkey = ds.key(self.nrows)
newval = ds.value(self.nrows)
cursor = self.session.open_cursor(self.uri)
# We get an error message, and the insert fails.
# The cursor remains open.
with self.expectedStderrPattern('.*No such file or directory'):
try:
cursor[newkey] = newval
except Exception as e:
self.pr('Exception in first access: ' + str(e))
# We get an error message, and the insert fails.
# Before the associated fix was made, the insert crashed.
with self.expectedStderrPattern('.*No such file or directory'):
try:
cursor[newkey] = newval # point of crash
except Exception as e:
self.pr('Exception in second access: ' + str(e))
cursor.close()
def test_bug025(self):
ds = ComplexDataSet(self,
self.uri,
self.nrows,
key_format="S",
value_format='S')
ds.populate()
iname = ds.index_name(0)
iname_suffix = iname[iname.rindex(':') + 1:]
filename = 'test_bug025_' + iname_suffix + '.wti'
self.close_conn()
pos = os.path.getsize(filename) - 1024
os.remove(filename)
# We will get error output, but not always in the same API calls from run to run,
# in particular the open connection doesn't always report the missing file, as
# index files are usually lazily loaded. As long as the missing file is reported
# at least once in the following code, it's good.
with self.expectedStderrPattern('.*No such file or directory.*'):
self.open_conn()
newkey = ds.key(self.nrows)
newval = ds.value(self.nrows)
cursor = self.session.open_cursor(self.uri)
# The insert fails, and the cursor remains open.
try:
cursor[newkey] = newval
except Exception as e:
self.pr('Exception in first access: ' + str(e))
# The insert fails again. Before the associated fix was made, the insert crashed.
try:
cursor[newkey] = newval # point of crash
except Exception as e:
self.pr('Exception in second access: ' + str(e))
cursor.close()
