clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- OpenTelemetry spans for the parallel replicas coordinator and per-replica reads
- Perf(Array): Keep binary search for vector needles in indexOfAssumeSorted
- Prune Hive-style partitioned directories during object storage listing
- Fix DROP TABLE hanging forever after a persisted loop() table has been read
- Fix wrong results from JIT-compiled integer to `Decimal` and `Decimal` to integer conversions
- Add experimental FilC build support
- Dynamically size bloom filter in parquet writer
- Window-function-only SELECT over a multi-shard `remote()` / `Distributed` read silently drops the remote shards' rows
- Add JSON(DEFAULT PATH TYPE T) type modifier
- WIP: Workload Dynamic Spilling
- Docs
- C++ not yet supported