clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Stateless tests: Remove useless `ignore_drop_queries_probability = 0`
- Do not discard finished test results when a functional-test job is killed in teardown
- Fix undefined behavior on a huge `max_concurrent_threads_ratio_to_cores` workload setting
- Reject forged Thrift container and string lengths in Parquet metadata
- Infer an omitted Distributed structure under the user's context
- Rolling upgrade across the 26.4 → 26.5 boundary breaks distributed queries over columns whose name contains a dot (`NOT_FOUND_COLUMN_IN_BLOCK`)
- Fix virtual row materializing a non-creatable placeholder column
- Docs: ProtobufList documentation
- Fix rankCorr to account for ties in Spearman rank correlation
- Docs: document HTTP connection reuse in replica-aware routing
- Docs
- C++ not yet supported