clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- `DESCRIBE` and `SHOW CREATE TABLE` report stale column types for TO-target materialized views after upstream `ALTER MODIFY COLUMN`
- Add `type_json_skip_null_typed_paths` setting to treat NULL typed JSON paths as absent
- Fix signed integer overflow in condition_variable::wait_for with huge timeouts
- More settings to randomize
- Break symlink loops in StorageFile glob expansion
- Add per-part type narrowing for Dynamic columns (statistics-based, opt-in v4)
- Skip granules consumed by OFFSET when reading in order
- Fix text index fallback for failing preprocessor casts
- TLP partitioning over a mixed `RIGHT JOIN` + comma join tree can produce rows from an empty result set
- Fix vacuous truth for x op ALL (empty subquery)
- Docs
- C++ not yet supported