clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- 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
- Stress test 'px != 0' residual: loadOutdatedDataParts terminate on transient MEMORY_LIMIT_EXCEEDED
- High amount of used RAM
- Legacy analyzer: cross_to_inner_join_rewrite fails with INVALID_JOIN_ON_EXPRESSION on CROSS JOIN + WHERE col = (scalar subquery)
- WASM UDF api/functions to interact with (zoo)keeper
- Fix duplicated path in Iceberg metadata location when the REST catalog vends an s3.endpoint
- Fixed keyword escaping for "TOP"
- More settings to randomize
- Fix clickhouse-benchmark crash with 3 or more hosts
- Docs
- C++ not yet supported