clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix(Parsers): Allow omitted FETCH row count
- Dictionary `HOST '[x'` now hits a `DNSResolver` `chassert`: debug builds abort
- Fix optimized CSV counts for trailing carriage returns
- PostgreSQL auth path throws LOGICAL_ERROR when client resets mid-authentication
- Zone relabel skips `JSON` typed paths: whole-`JSON` key drops rows
- Keep a DEPENDS ON cycle of refreshable views refreshing after refresh_retries are exhausted
- Order-dependent aggregate functions process the rows of a sparse column out of order without GROUP BY
- HTTP dictionary fails on relative redirect with percent-encoded path
- SIMILAR TO with custom ESCAPE duplicates `^` in negated bracket `[^...]`
- JSON ADVANCED shared data: per-bucket reads are sequential and bypass prefetch, cold point reads on S3 take ~30 s
- Docs
- C++ not yet supported