clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Add function hasTokenStartingWith with text index support
- Reuse RabbitMQ producer connections and channels across INSERT queries
- Fix missing rows in `EmbeddedRocksDB`, `KeeperMap` and `Redis` key lookups for a `FixedString`, `Variant` or `Dynamic` constant
- Bound the whole-chunk reads of the `Parquet` columns cache in more skewed cases
- Support the KIP-848 consumer group protocol in the Kafka engine
- Fix TTL evaluating a subcolumn from a different column than SELECT reads it from
- Allow to revoke source grant with filter, without revoking other filters
- Incremental RMV limit rows/bytes per stream round
- [GPU] MergeTree compressed blocks reader
- Make the Alias table engine use definer rights
- Docs
- C++ not yet supported