clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Bool column added by ALTER is treated as UInt8 inside other columns' MATERIALIZED/ALIAS/DEFAULT expressions on old parts (toString gives 0, not false); vertical merge persists the wrong value
- WIP Replace librdkafka in kafka2
- Docs: Sync ClickHouse/dbt-clickhouse docs
- Rename duplicate column names in headers of formats with names
- fix: `toString` claims injectivity for every type: DST fold splits one GROUP BY key
- Backport #129112 to 26.9: Introspection uses main binary offsets only; disable gRPC library logs
- Backport #129112 to 26.10: Introspection uses main binary offsets only; disable gRPC library logs
- Cherry pick #128824 to 26.3: Fix use-after-free of the Replicated database DDL worker
- Cherry pick #128824 to 26.8: Fix use-after-free of the Replicated database DDL worker
- Cherry pick #128824 to 26.9: Fix use-after-free of the Replicated database DDL worker
- Docs
- C++ not yet supported