clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Cache for "shared"/"reused" data of WASM UDF
- Fix `max_rows_to_read_leaf` incorrectly applied to local non-distributed queries
- Avoid build query plan twice query Storage cluster
- generateSerialID blocks indefinitely on Keeper quorum loss -- inconsistent timeout behavior
- Cherry pick #99584 to 25.3: Forbid reading google credentials from local file
- Cherry pick #99584 to 25.8: Forbid reading google credentials from local file
- Cherry pick #99584 to 25.12: Forbid reading google credentials from local file
- Cherry pick #99584 to 26.1: Forbid reading google credentials from local file
- Backport #99471 to 26.1: Fix heap-use-after-free in IntersectOrExceptTransform with duplicate column names
- clickhouse-client hangs on exit when user lacks SELECT ON *.* — suggestion thread blocks on system.columns metadata lock (regression in 25.x)
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- C++ not yet supported