clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- add startup and shutdown console log level
- Fix SEGV in `execute_query_fuzzer` due to a nullptr `TemporaryDataOnDiskScope`
- Speed up `uniq` over numeric types by batching inserts when possible
- Allow to enter PR number in the very first check_ci.py prompt
- Add some logs to better track iceberg position deletes
- Speed up uniq and uniqExact for String and IPv6 by devirtualizing the calls to getDataAt
- Respect `optimize_read_in_order` when reading projections
- Update docs about refreshable materialized view
- Backport #95846 to 25.3: Fix assertion failure in `applyUncommittedState` for deltas without paths
- Backport #95846 to 25.8: Fix assertion failure in `applyUncommittedState` for deltas without paths
- Docs
- C++ not yet supported