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2022 Changelog
ClickHouse release v21.10.2.15-stable FIXME as compared to v21.10.1.8013-prestable
Improvement
- Backported in #29944: Update zoneinfo files to 2021c. #29925 (Alexey Milovidov).
Bug Fix
- Backported in #29776: Allow using a materialized column as the sharding key in a distributed table even if
insert_allow_materialized_columns=0
:. #28637 (Vitaly Baranov). - Backported in #28792: Fix transformation of disjunctions chain to
IN
(controlled by settingsoptimize_min_equality_disjunction_chain_length
) in distributed queries with settingslegacy_column_name_of_tuple_literal = 0
. #28658 (Anton Popov). - Backported in #29127: Fix bug in
clickhouse-keeper-converter
which can lead to incorrect ZooKeeper log deserialization. #29071 (小路). - Backported in #29970: Fix shutdown of
AccessControlManager
. Now there can't be reloading of the configuration after AccessControlManager has been destroyed. This PR fixes the flaky test test_user_directories/test.py::test_relative_path. #29951 (Vitaly Baranov). - Backported in #30051: Fix releasing query ID and session ID at the end of query processing while handing gRPC call. This PR fixes flaky test test_grpc_protocol/test.py::test_session. #29954 (Vitaly Baranov).
Bug Fix (user-visible misbehaviour in official stable release)
- Backported in #29054: Fix invalid constant type conversion when nullable or lowcardinality primary key is used. #28636 (Amos Bird).
- Backported in #28795: - Fix the number of arguments required by s2RectAdd and s2RectContains functions. #28663 (Bharat Nallan).
- Backported in #28794: Add Settings.Names, Settings.Values aliases for system.processes table. #28685 (Vitaly Orlov).
- Backported in #28793: Fix the coredump in the creation of distributed tables, when the parameters passed in are wrong. #28686 (Zhiyong Wang).
- Backported in #28812: Fix possible crash for
SELECT
with partially created aggregate projection in case of exception. #28700 (Amos Bird). - Backported in #28790: Fix benign race condition in ReplicatedMergeTreeQueue. Shouldn't be visible for user, but can lead to subtle bugs. #28734 (alesapin).
- Backported in #29150: Fix extremely rare case when ReplicatedMergeTree replicas can diverge after hard reboot of all replicas. The error looks like
Part ... intersects (previous|next) part ...
. #28817 (alesapin). - Backported in #28843: Fix expressions compilation with short circuit evaluation. #28821 (Azat Khuzhin).
- Backported in #28992: Fixed a race condition between
DROP PART
andREPLACE/MOVE PARTITION
that might cause replicas to diverge in rare cases. #28864 (Alexander Tokmakov). - Backported in #28950: Fix reading of subcolumns from compact parts. #28873 (Anton Popov).
- Backported in #28926: Fix bug with LowCardinality in short-curcuit function evaluation. Closes #28884. #28887 (Kruglov Pavel).
- Backported in #29162: Fix queries to external databases (i.e. MySQL) with multiple columns in IN ( i.e.
(k,v) IN ((1, 2))
) (but note that this has some backward incompatibility for theclickhouse-copier
since it uses alias for tuple element). #28888 (Azat Khuzhin). - Backported in #29108: Fix waiting for mutation with
mutations_sync=2
. #28889 (Azat Khuzhin). - Backported in #28928: Fix higher-order array functions (
SIGSEGV
forarrayCompact
/ILLEGAL_COLUMN
forarrayDifference
/arrayCumSumNonNegative
) with consts. #28904 (Azat Khuzhin). - Backported in #28951: Fix bad optimizations of ORDER BY if it contains WITH FILL. This closes #28908. This closes #26049. #28910 (Alexey Milovidov).
- Backported in #29023: Fix the number of threads used in
GLOBAL IN
subquery (it was executed in single threads since #19414 bugfix). #28997 (Nikolai Kochetov). - Backported in #29814: Do not allow to reuse previous credentials in case of inter-server secret (Before INSERT via Buffer/Kafka to Distributed table with interserver secret configured for that cluster, may re-use previously set user for that connection). #29060 (Azat Khuzhin).
- Backported in #29192: Fix segfault while inserting into column with type LowCardinality(Nullable) in Avro input format. #29132 (Kruglov Pavel).
- Backported in #29400: Send normal
Database doesn't exist error
(UNKNOWN_DATABASE
) to the client (via TCP) instead ofAttempt to read after eof
(ATTEMPT_TO_READ_AFTER_EOF
). #29229 (Azat Khuzhin). - Backported in #29358: Fix possible
Table columns structure in ZooKeeper is different from local table structure
exception while recreating or creating new replicas ofReplicatedMergeTree
, when one of table columns have default expressions with case-insensitive functions. #29266 (Anton Popov). - Backported in #29450: Fix failed assertion in ReadBufferFromHDFS. Update libhdfs3 library to be able to run in tests in debug. Closes #29251. Closes #27814. #29276 (Kseniia Sumarokova).
- Backported in #29302: Fix connection timeouts (
send_timeout
/receive_timeout
). #29282 (Azat Khuzhin). - Backported in #29382: Remove window function
nth_value
as it is not memory-safe. This closes #29347. #29348 (Alexey Milovidov). - Backported in #29439: Fix replicated access storage not shutting down cleanly when misconfigured. #29388 (Kevin Michel).
- Backported in #29488: Fix Logical error
Cannot capture columns
in functions greatest/least. Closes #29334. #29454 (Kruglov Pavel). - Backported in #29537: Fix possible
Block structure mismatch
for subqueries with pushed-downHAVING
predicate. Fixes #29010. #29475 (Nikolai Kochetov). - Backported in #29590: In ODBC bridge add retries for error Invalid cursor state. It is a retriable error. Closes #29473. #29518 (Kseniia Sumarokova).
- Backported in #29571: Fix bug in check
pathStartsWith
becuase there was bug with the usage ofstd::mismatch
:The behavior is undefined if the second range is shorter than the first range.
. #29531 (Kseniia Sumarokova). - Backported in #29725: Fix null deference for
GROUP BY WITH TOTALS HAVING
(when the column fromHAVING
wasn't selected). #29553 (Azat Khuzhin). - Backported in #29629: Fix rare segfault in
ALTER MODIFY
query when using incorrect table identifier inDEFAULT
expression likex.y.z...
Fixes #29184. #29573 (alesapin). - Backported in #29657: Fix JIT expression compilation with aliases and short-circuit expression evaluation. Closes #29403. #29574 (Maksim Kita).
- Backported in #29749: Condition in filter predicate could be lost after push-down optimisation. #29625 (Nikolai Kochetov).
- Backported in #29850: Fix concurrent access to
LowCardinality
duringGROUP BY
(leads to SIGSEGV). #29782 (Azat Khuzhin). - Backported in #29910: Fix bad cast in
ATTACH TABLE ... FROM 'path'
query when non-string literal is used instead of path. It may lead to reading of uninitialized memory. #29790 (Alexey Milovidov). - Backported in #29866: Avoid
Timeout exceeded: elapsed 18446744073.709553 seconds
error that might happen in extremely rare cases, presumably due to some bug in kernel. Fixes #29154. #29811 (Alexander Tokmakov). - Backported in #30023: MaterializedMySQL: Fix an issue where if the connection to MySQL was lost, only parts of a transaction could be processed. #29837 (Håvard Kvålen).
- Backported in #29876: Fix system tables recreation check (fails to detect changes in enum values). #29857 (Azat Khuzhin).
- Backported in #30058: Fix potential resource leak of the concurrent query limit of merge tree tables introduced in https://github.com/ClickHouse/ClickHouse/pull/19544 . #29879 (Amos Bird).
- Backported in #30208: Fix data-race between
LogSink::writeMarks()
andLogSource
inStorageLog
. #29946 (Azat Khuzhin). - Backported in #30213: Fix possible data-race between
FileChecker
andStorageLog
/StorageStripeLog
. #29959 (Azat Khuzhin). - Backported in #30067: Fix crash of sample by
tuple()
, closes #30004. #30016 (flynn). - Backported in #30127: Dropped
Memory
database might reappear after server restart, it's fixed (#29795). Also addedforce_remove_data_recursively_on_drop
setting as a workaround forDirectory not empty
error when droppingOrdinary
database (because it's not possible to remove data leftovers manually in cloud environment). #30054 (Alexander Tokmakov). - Backported in #30232: Fix INSERT SELECT incorrectly fills MATERIALIZED column based of Nullable column. #30189 (Azat Khuzhin).
- Backported in #30264: FlatDictionary, HashedDictionary fix bytes_allocated calculation for nullable attributes. #30238 (Maksim Kita).
- Backported in #30307: Fix crash with shortcircuit and lowcardinality in multiIf. #30243 (Raúl Marín).
- Backported in #30291: Fix ComplexKeyHashedDictionary, ComplexKeySparseHashedDictionary parsing
preallocate
option from layout config. #30246 (Maksim Kita).
NO CL CATEGORY
- Avoid deadlocks when reading and writting on JOIN Engine tables at the same time. #30182 (Raúl Marín).
NOT FOR CHANGELOG / INSIGNIFICANT
- Fix usage of nested columns with non-array columns with the same prefix [2] #28762 (Anton Popov).
- Lower compiled_expression_cache_size to 128MB #28816 (Maksim Kita).
- Column default dictGet identifier fix #28863 (Maksim Kita).
- Do not add const group by key for query with only having. #28975 (Nikolai Kochetov).
- Merging #27963 #29063 (Maksim Kita).
- Fix terminate on uncaught exception #29216 (Alexander Tokmakov).
- Fix arcadia (pre)stable 21.10 build #29250 (DimasKovas).
- May be fix s3 tests #29762 (Kseniia Sumarokova).
- Remove unnecessary PEERDIR to libcxx-filesystem #29798 (Yuriy Chernyshov).
- Update BoringSSL #29998 (Filatenkov Artur).
- SQL user defined functions fix alias #30075 (Maksim Kita).