clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Support INSERT ... VALUES in the polyglot SQL dialect
- Fix correlated subquery CROSS JOIN aggregate multiplication
- Fix LOGICAL_ERROR in set skip index when predicate is Nullable but granule is not
- Fix LOGICAL_ERROR in KeyCondition over LowCardinality key exposed through Merge
- Compose join-order statistics over parts surviving partition/PK pruning
- Fix "No more packets are available." logical error on distributed LIMIT queries
- Read input column values from HTTP request headers
- Add size-stream `String` serialization to the Native protocol
- Add two-phase distributed lazy materialization for Top-K queries
- Canonicalize json
- Docs
- C++ not yet supported