clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add standard correlated qualifier resolution setting
- TRUNCATE removes parts immediately, ignoring `old_parts_lifetime`
- Fix identity of dynamic disks with server credential markers
- Forbid using a lightweight snapshot as the base of an incremental backup
- Fix HDFS disk to follow host allowlist
- Keep the instant of a typed `DateTime` JSON path in `CAST` to `JSON` and `ALTER ... MODIFY COLUMN`
- Fix `NOT_FOUND_COLUMN_IN_BLOCK` and wrong rows when the `arrayCount`, `dictGet` tuple element or QBit distance rewrite meets a `GROUP BY` key
- Leave the row estimate of a filtered Memory table read unknown in join reordering
- Check access rights of table functions in DESCRIBE as in SELECT
- Fix cluster table functions over a named collection with a locked `'auto'` format or structure
- Docs
- C++ not yet supported