clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Release pull request for branch 25.12
- Flaky test: test_odbc_interaction/test.py::test_many_connections
- new analyzer: wrong predicates apply order
- Segmentation fault (STID: 1320-2f65)
- Cleanup thread stops after ZooKeeper session expiry, parts accumulate
- Inconsistent Float64 values when inserting equivalent numeric literals (scientific vs decimal notation)
- Flaky test: test_refreshable_mv/test.py::test_refreshable_mv_in_replicated_db
- --param doesn't work in clickhouse-client
- Aborted backup still showing with status `CREATING_BACKUP` in `system.backups`
- Row group pruning broken for mixed timestamp precision in Parquet reader v3
- Docs
- C++ not yet supported