clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Require SELECT access on columns read by UPDATE/DELETE mutations (WHERE and SET)
- Optimise AggregateFunctionSumMap functions family
- Optimize GROUP BY ... ORDER BY min/max aggregate LIMIT K: mode 1
- Hybrid SQL-standard short-name fallback for subquery columns
- Build error on enabling NO_ARMV81_OR_HIGHER on Huawei Kunpeng 920 server
- Add FastPFOR codec for text index posting lists
- Fix build flag with new detection mode.
- Backport #106507 to 26.3: Fix wrong-results equality with NaN-producing key function
- Optimize bucketed LowCardinality map reconstruction
- Enable `optimize_if_transform_strings_to_enum` by default
- Docs
- C++ not yet supported