clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Iceberg manifest-list partition summaries written for bucket/year/month/day/hour transforms have null bounds with contains_null=false — external readers silently prune all data; truncate over Int32 writes an 8-byte bound for a 4-byte int field
- Count CPUs from sysfs instead of the libc
- Enable XRay under musl
- Do not build a key range from a `NULL` or a `NaN` nested in a `Tuple`
- Repair an inverted key boundary pair holding a nested `NULL`
- Keep both swapped columns' statistics through a mutation
- Document and pin the no-op modes of enable_join_runtime_filters_index_analysis
- clang 23 build - lifetime-safety-return-stack-addr-moved warnings
- Do not let a `local` object storage remove its own root directory
- Make Rust archive post-processing incremental (localize, strip)
- Docs
- C++ not yet supported