clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Stop a cache-warm read of an already-removed part from failing the lost-S3-keys checks
- `analyzer_inline_views = 1`: JOIN with a plain VIEW throws 206 `ALIAS_REQUIRED` — the inlined view loses its name as the subquery alias
- `make_distributed_plan`: `IN (SELECT ...)` with a non-convertible literal throws 53 `TYPE_MISMATCH` instead of returning the empty comparison result
- Window `PARTITION BY` an `AggregateFunction` column: partitioning depends on `max_threads` (sort path sees all states equal, scatter path hashes state bytes); `ORDER BY` on the same column is rejected
- Stress test: retry the fault-injection verification query on client timeout
- RFC: Multi-Text — native multi-field search over a shared text index
- Cherry pick #112649 to 26.3: Fix deduplication token attribution for materialized-view targets of partitioned tables
- Backport #112649 to 26.5: Fix deduplication token attribution for materialized-view targets of partitioned tables
- Backport #112649 to 26.6: Fix deduplication token attribution for materialized-view targets of partitioned tables
- Do not inject random ORDER BY into queries planned to an intermediate stage
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