clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add `input_format_parquet_detect_variant_by_structure` to the Parquet schema inference cache key
- Iceberg: omit `parent-snapshot-id` on root snapshots and list only previous files in `metadata-log`
- Docs: Use native Markdown images throughout the documentation
- Fix filtered reads of Iceberg truncate partitions that ClickHouse 26.8 and older wrote for negative integers
- Stop Iceberg `remove_orphan_files` and `expire_snapshots` on `KILL QUERY` and `max_execution_time`
- Docs: update Managed Postgres billing documentation
- Fix reading Iceberg tuple elements from data files written before a schema change
- SimpleAggregateFunction cannot be inside Nullable or LowCardinality
- Cache PromQL HTTP API results at an explicit time with use_query_cache
- Return empty results from the Prometheus rules, alerts and exemplars endpoints
- Docs
- C++ not yet supported