clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Update mongo-c-driver to 2.3.0
- Disable fail-fast for the auto-release matrix
- Fix MULTIPLE_EXPRESSIONS_FOR_ALIAS on `SELECT *` over JOIN under parallel replicas
- Analyzer: Compatibility filter push down from HAVING to WHERE
- New functions `isPrime` and `isProbablePrime`
- LOGICAL_ERROR: Block structure mismatch between MergeSortingTransform and WindowTransform with projection + window + WHERE on non-key column when query_plan_remove_unused_columns=0 (regression in 26.4)
- Optimize arrayElement and friends through trivial ALIAS columns
- Fix `UPDATE` with parallel replicas in `MergeTree`
- Cluster mode with `cluster_table_function_split_granularity=BUCKET` poisons the query condition cache by writing 'no match' for row groups assigned to other workers
- Fix applying additional_table_filters with parallel replicas and analyzer
- Docs
- C++ not yet supported