clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Introduce statistics-based disabling of join runtime filters (#96095)
- CacheBase needs rework to support both UserQuota and TTL cache policies for generic scenarios
- Fix scalar subquery analysis in parametrized view
- Query type is ExceptionBeforeStart but memory_usage > 0 with multiple threads
- Add ARM SVE infrastructure and SVE-optimized paths for unary arithmetic and findExtreme
- `dictGetOrDefault` does not short-circuit evaluation of `default` argument
- ClickHouse does not close HTTP connection to jdbc-bridge on query cancellation
- collect profiles event for part_log
- [RFC] Add `!isCancelled()` check in while/for loops in `generate()` for some `ISource` derived classes
- SQL Error [22000]: Code: 1000. DB::Exception: <Unreadable error message> (transport error: 500)
- Docs
- C++ not yet supported