clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- [CI crash] Exception during expression transformation in pipeline execution
- [CI crash] S3 PutObject request failed during backup
- Bzip2ReadBuffer throws UNEXPECTED_END_OF_FILE on empty stream (e.g. 404 URL with http_skip_not_found_url_for_globs)
- Direct WHERE predicate fails with `TOO_FEW_ARGUMENTS_FOR_FUNCTION`, while equivalent subquery form succeeds
- Cherry pick #99677 to 25.3: Fix nullptr dereference in Parquet reader when filter-in-decoder path encounters filtered-out pages
- Cherry pick #99677 to 25.8: Fix nullptr dereference in Parquet reader when filter-in-decoder path encounters filtered-out pages
- Cherry pick #99677 to 25.12: Fix nullptr dereference in Parquet reader when filter-in-decoder path encounters filtered-out pages
- Cherry pick #99677 to 26.1: Fix nullptr dereference in Parquet reader when filter-in-decoder path encounters filtered-out pages
- UBSan: pointer overflow in BufferBase when reading RocksDB slices (EmbeddedRocksDB read-only mode)
- Cherry pick #98754 to 25.8: Propagate outer WHERE through `StorageView` for skip unused shards
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- C++ not yet supported