clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- fix(promql): Allow readonly access to TimeSeries table functions
- Cache statistics per data part and column instead of per set of parts
- Fix uninitialized offsets in Variant/Dynamic/JSON columns containing only NULLs
- [WIP][DO NOT MERGE] Keep MATERIALIZED CTE references in view definitions so the CTE is materialized once
- Keep the encryption codec on structural substreams
- Implement SystemCommandFactory
- Fix a server abort when a shared IN node is rewritten to GLOBAL IN for a Distributed read
- Read an opaque Variant alternative back from Arrow
- Add a setting to disable reading through the executable table function and Executable/ExecutablePool tables
- Support schema evolution in the non-kernel Delta Lake reader
- Docs
- C++ not yet supported