clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Add test: `MergeTreeData::movePartitionToTable` `NOT_IMPLEMENTED` throw for non-`MergeTree`-family destination is untested
- Add test: `mergeConditionNodes(HAVING, QUALIFY)` correctness untested — existing test uses identical conditions
- Add test: HTTP status code 404 for `UNKNOWN_ROLE` from `?role=` parameter is untested — only response body is grep'd
- Metrics for tracking insertions via materialized view
- Add test: `User::setName` reserved-prefix check for ` JWT AUTHENTICATION ` marker is untested
- Add test: `formatRow('XML', ...)` over HTTP with `http_write_exception_in_output_format=1` untested — XML branch of the fix has zero coverage
- external-authenticators http add support for role mapping
- Add test: New `BAD_ARGUMENTS` error path for simultaneous `X-ClickHouse-Quota` header and `quota_key` URL parameter is untested
- Honor inferred `Distributed` columns when validating sharding keys
- Backport #100758 to 25.8: Erase sorted_dynamic_paths entries before dynamic_paths ones
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