clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Fix a logical error when a processor's `updatePipeline` throws while connecting the new processors
- Support Google service account keys for the BigLake catalog
- Resolve JOIN runtime filter keys by header position
- Track and cache provenance-aware relation statistics for JOIN optimization
- S3Queue: add failed_files_ttl_sec setting
- Materialized CTEs are re-analyzed (and re-expanded) at every reference
- Analyzer: NOT_AN_AGGREGATE for alias column usage
- Stress test `Hung check` fails without finding a hung query: the check's own `system.stack_trace` query queues behind another reader of it
- LIMIT BY keys_to_keep set compares aliases, so an aliased GROUP BY key is missed
- Keep a function of an ORDER BY column in the sort key under CUBE, ROLLUP and GROUPING SETS
- Docs
- C++ not yet supported