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2022 Changelog
ClickHouse release v21.5.8.21-stable FIXME as compared to v21.5.7.9-stable
Bug Fix
- Backported in #25849:
CAST
fromDate
toDateTime
(orDateTime64
) was not using the timezone of theDateTime
type. It can also affect the comparison betweenDate
andDateTime
. Inference of the common type forDate
andDateTime
also was not using the corresponding timezone. It affected the results of functionif
and array construction. Closes #24128. #24129 (Maksim Kita). - Backported in #25679: Fixed bug in deserialization of random generator state with might cause some data types such as
AggregateFunction(groupArraySample(N), T))
to behave in a non-deterministic way. #24538 (Alexander Tokmakov). - Backported in #25556: Fix potential crash when calculating aggregate function states by aggregation of aggregate function states of other aggregate functions (not a practical use case). See #24523. #25015 (Alexey Milovidov).
- Backported in #25767: Fix assertion in PREWHERE with non-uint8 type, close #19589. #25484 (Vladimir C).
- Backported in #25636: Fix wrong totals for query
WITH TOTALS
andWITH FILL
. Fixes #20872. #25539 (Anton Popov). - Backported in #25653: Fix null pointer dereference in
EXPLAIN AST
without query. #25631 (Nikolai Kochetov). - Backported in #25715:
REPLACE PARTITION
might be ignored in rare cases if the source partition was empty. It's fixed. Fixes #24869. #25665 (Alexander Tokmakov). - Backported in #25695: Fixed
No such file or directory
error on movingDistributed
table between databases. Fixes #24971. #25667 (Alexander Tokmakov). - Backported in #25754: Fix data race when querying
system.clusters
while reloading the cluster configuration at the same time. #25737 (Amos Bird).
NOT FOR CHANGELOG / INSIGNIFICANT
- Backport unrelated changes, which fixes aliases bug #25680 (alesapin).
- ExpressionCache destruction fix #25835 (Maksim Kita).