clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Do not re-run query tree optimization passes on Merge child plans
- Request the rest of the range when an HTTP positional read gets a partial response
- Do not treat a terminated server whose pid still exists as running in `clickhouse stop`
- Preserve probe parallelism when hash join is selected below threshold
- Add lexicographic Keeper list pagination with start_after
- Fix refreshes of refreshable materialized views whose inner table declares subcolumn codecs
- Do not re-create nested Tuple elements when creating a column for deserialization
- Fix `max_rows_to_read` with projection indexes and partial projections
- Do not abort startup when a local disk was marked broken
- Forbid changing the time zone of a column used in a key expression of a `MergeTree` table
- Docs
- C++ not yet supported