clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Do not claim `toDate` and `toDateTime` are monotonic over a range they wrap
- Keep the derived Iceberg table root on the deserialization path
- Contradiction fold builds ConstantNode(0u, Nothing): valid JOIN ON query rejected
- Narrow the table enumeration of system tables with an `IN` condition
- A value that does not fit the set's key type is not a member, not an error
- JIT-compiled bit shift and rotate functions answer for argument types and values the interpreted path rejects: the same query flips from an exception to a silent answer between repeated executions at default settings
- Honour `date_time_overflow_behavior` for numeric conversions
- Fix `max_query_size` handling for server-generated DDL queries
- Push filters into the part of the query parallel replicas execute, and ship them to the replicas
- Do not claim `toStartOfInterval` is monotonic over a `Date32` range it wraps
- Docs
- C++ not yet supported