clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add embedded documentation for input/output formats
- Add embedded documentation and a system table for data skipping index types
- Streaming Watermarks
- Don't fail CI when only the CIDB staging log cluster is unresponsive
- Allow ON CLUSTER `<db_name>` pass-through on Replicated / Shared databases for RENAME, EXCHANGE and OPTIMIZE
- Add iceberg_parallel_manifest_decode_threads for parallel manifest decoding
- Cherry pick #106105 to 25.8: Fix `system.dictionaries` returning 0 rows with partial `SHOW DICTIONARIES` revoke
- Cherry pick #105302 to 25.8: Fix azure init params
- [Docker] Code: 74. DB::ErrnoException: Operation not permitted when reading from file while attaching system.trace_log
- Support NULL / NOT NULL modifier in ALTER ADD/MODIFY COLUMN
- Docs
- C++ not yet supported