clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Cherry pick #87761 to 25.3: Fix segfault in iceberg deletes
- Cherry pick #87761 to 25.8: Fix segfault in iceberg deletes
- Feature: Enable overlay databases for server.
- Real cache size
- AggregatingMergeTree index search can be broken by SimpleAggregateFunction
- Inconsistent CAST behavior to DateTime64(3) when reading from Parquet via S3 and directly specified
- s3queue_loading_retries configuration in s3queue engine is not working as expected
- Auto-escape special XML characters for from_env/from_zk substitutions
- Backup to S3 Disk doesn't respect s3_storage_class other than STANDARD
- Logical Error: Unexpected expression in JOIN ON section. Expected boolean (UInt8), got 'Nothing'
- Docs
- C++ not yet supported