clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Allow skipping local shard with missing table when `skip_unavailable_shards` is enabled
- Fix exception when constant is folded from UnionNode subquery
- Skip the expensive readLockParts() call in tryGetSerializationHints()
- Test switching ApproximateRuntimeFilters, Bloom Filters to xxHash
- Follow ups for functions stress test
- Support more flexible data paths validation in iceberg
- Iceberg: propagate table UUID from REST catalog to avoid metadata cac…
- Parquet: fix LOGICAL_ERROR or crash when filtering nullable columns
- Extend `InverseDictionaryLookupPass` to support `IN` and `notIn` operators for dictionary lookups
- MetadataStorageFromDisk add removal log
- Docs
- C++ not yet supported