clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Randomize new settings in clickhouse-test (join spill ratio, UNION ALL streams, dictGet, top-k var-length, page cache coalescing, grace hash buckets)
- [Do not review] Stress test BQ
- Fix `DateTime` wrapping around for out-of-range values in `JSONExtract` and text deserializations
- Fix usage of insertion table in table functions when `optimize_trivial_insert_select` is enabled
- Add AArch64 ASIMD backend for MD5
- Materialize subcolumns in `executePartitionByExpression` before executing expression
- Fix TTL expressions with subcolumns causing exception on INSERT and merge
- Fix crash in Values format when tuples have different sizes
- Subquery caching missing overflow mode check allows caching truncated results
- Fix RESTRICTIVE/PERMISSIVE keywords case in SHOW CREATE ROW POLICY output
- Docs
- C++ not yet supported