clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- ARM performance regression: `tsv_csv_nullable_parsing` query `1` is slower
- ARM performance regression: `codecs_float_insert` query `12` is slower
- ARM performance regression: `join_runtime_filter` query `10` is slower
- ARM performance regression: `cryptographic_hashes` query `24` is slower
- Cherry pick #106473 to 25.8: Fix vector search with skip indexes and use_skip_indexes_on_data_read
- Cherry pick #106473 to 26.3: Fix vector search with skip indexes and use_skip_indexes_on_data_read
- [CI crash] Merge algorithm failed during data consumption
- Backport #106473 to 26.4: Fix vector search with skip indexes and use_skip_indexes_on_data_read
- Backport #106473 to 26.5: Fix vector search with skip indexes and use_skip_indexes_on_data_read
- Query obfuscation leaks string-valued SETTINGS (storage_policy, kafka_broker_list, …)
- Docs
- C++ not yet supported