clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Backport #103858 to 26.3: Fix data part check and consistency check for tables with JSON column
- Fix SELECT error with unmerged patch parts when lazy materialization …
- claude: use `claude:` prefix and Documentation category for `.claude/` PRs
- Fix UBSan signed integer overflow in `toDaysSinceYearZero` with `Date32`
- Add test: `doSettingsSanityCheckClamp` `max_threads` clamping branch untested in stateless SQL
- Fix use-after-free in KeeperHandlingConsumer::setKeeper (StorageKafka2)
- CI: remove BOLT profile files generated during cmake configuration
- Add test: Fallback path in `checkDataPart` and `MergeTreeDataPartWide::doCheckConsistency` (parts without `columns_substreams.txt`) is untested for wide parts with `Dynamic` columns
- CI: add disk usage snapshot before BOLT cmake configuration (testing)
- claude: allow fetch_ci_report.js, gh run view, and grep in Claude Code settings
- Docs
- C++ not yet supported