clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix ORC ReadRangeCombiner assertion with large remote_read_min_bytes_for_seek
- Fix exception in DDLWorker::cleanupQueue on ZNOTEMPTY
- Remove the old Parquet writer (`output_format_parquet_use_custom_encoder` = 0) and reader (`input_format_parquet_use_native_reader_v3` = 0)
- Fix `accurateCastOrDefault` losing Const column type
- Allow skipping local shard with missing table when `skip_unavailable_shards` is enabled
- Fix exception when constant is folded from UnionNode subquery
- Fix Logical error: data->allocated_size != debug_allocated_size
- Skip the expensive readLockParts() call in tryGetSerializationHints()
- Test switching ApproximateRuntimeFilters, Bloom Filters to xxHash
- Aws contrib pointer update
- Docs
- C++ not yet supported