clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Mark qemu-based tests as no-parallel to avoid 600s timeouts
- Add SCANN Vector Index Support
- If there is only a single query, do not select it on run in the Web UI (play.html)
- If the query is only slightly larger than the textarea size in the Web UI (play.html), resize the textarea to fit it.
- Shared memory interface for executable UDFs
- RIGHT OUTER JOIN + INNER JOIN wrongly keeps a default-value row
- FREEZE permanently fails with empty shadow/increment.txt after concurrent FREEZE/UNFREEZE race — no self-recovery
- Faster Decimal to string conversion (from paper)
- Cherry pick #105584 to 25.8: Honor cast_string_to_date_time_mode for hive partition values
- Backport #105584 to 26.4: Honor cast_string_to_date_time_mode for hive partition values
- Docs
- C++ not yet supported