clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Backport #98569 to 26.1: Disallow dropping column when its subcolumns are used in other columns default/alias expressions and use analyzer for default expressions on alter drop column
- Improve JSON subcolumn resolution with type hints on typed paths
- Error reading Parquet file in v26.2.4.23
- Push LIMIT down into FINAL merge algorithms for early termination
- Migrate `information_schema` views to #embed directive
- [WIP] Some improvements of TimeSeries table engine
- setting to control type mismatch behavior for variant and dynamic
- Fix encrypt/decrypt performance regression with OpenSSL 3.x
- Support remove_orphan_files for Iceberg tables
- Add highlight() function for search term highlighting with tag wrapping
- Docs
- C++ not yet supported