clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- ALTER TABLE UPDATE freezes transitive MATERIALIZED columns at INSERT-time value (regression from #99281)
- all merge tasks are aborted when dropping a partition.
- Respect detached data parts with invalid names for NumberOfDetachedParts
- accurateCastOrNull to QBit silently produces wrong values when array elements lose precision
- 🐛 Bug: `extremes=1` causes exception with `AggregateFunctionStateData` (`argMaxState`) due to invalid comparison
- Fix `GRANT CURRENT GRANTS` to account for implicit privileges
- CHECKSUM_DOESNT_MATCH during Mutation on ReplicatedMergeTree (Version 26.3)
- Re-add {database} macro support in clickhouse-client prompt
- Fix setting ignored for numeric-to-DateTime64/Time64 casts
- [Prototype] Unified Unity Catalog to support both Iceberg and Delta table via a single endpoint.
- Docs
- C++ not yet supported