clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- issue-76473: Add engine_file_skip_failed_files setting to skip corrupted files in File engine
- `WHERE` on join key isn't pushed into left-side primary key index for `RIGHT` / `FULL JOIN`
- Expanding Substrait serializer support and test coverage
- `titlecase_mapping` uses simple `u_totitle` instead of full titlecase mapping, making it identical to `simple_titlecase_mapping`
- `readSchema` case-insensitive lookup mismatch drops JSON logical type for mixed-case column names
- GROUP BY const(0./-0.) differ from materialized columns
- Add support for the SQL `OVERLAPS` predicate
- Enforce AI function quotas per query, not per block
- Fix race between ALTER and RENAME/EXCHANGE TABLES
- `JSONL` format alias incomplete: not registered as output format or for schema inference
- Docs
- C++ not yet supported