clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add cuckoo_filter skip index type for MergeTree tables
- Keeper cross-shard transactions
- Zero-value validation for ssd_cache parameters only checks UInt64, allowing Float64 0.0 to bypass
- Unit mismatch in PageCache::autoResize makes history window 1000x shorter than intended
- Add used index types column to system query log
- geoToH3 error messages reference swapped argument positions in default lat_lon mode
- Fix wrong TOTALS with query_plan_merge_expressions disabled
- Fix hive-style partitioning not working with S3 table engine
- Fix flaky test 03772_temporary_files_codec query_log lookup
- Fix incorrect index pruning for `toDateTime(Date)` key with large `Date` values
- Docs
- C++ not yet supported