clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Interrupted local→S3 TTL move leaves an orphan part → infinite move-retry loop and unbounded S3 PutObject (Code 84 DIRECTORY_ALREADY_EXISTS at store root, zero-copy OFF)
- Performance regression with validated target revert: sort_wide_table query 1 on ARM
- Performance regression with validated target revert: joins_in_memory query 6 on ARM
- Logical error: Not-ready Set is passed as the second argument for function 'A (STID: 0250-41a5)
- Clickhouse to keeper coordination exception on IBM Power Architecture ONLY
- Backport #106682 to 26.3: Reject input() referenced more than once via CTE inlining
- RBAC: mutations with subqueries bypass SELECT checks when validate_mutation_query=0
- ALTER NAMED COLLECTION changes are not picked up by Kafka engine tables without DETACH/ATTACH
- Enable lazy materialization with patch parts
- Logical error 'txn' in ImplicitTransactionControlExecutor::commit on cancelled implicit-transaction query
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- C++ not yet supported