clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Correlated QBit distance rewrite fails with NOT_FOUND_COLUMN_IN_BLOCK
- Batched async `RowBinaryWithNamesAndTypes` inserts skip columns with stale types
- Fix: only_enums gate matches top-level Enum only: Nullable(Tuple(Enum)) still throws 691
- Duplicate `table_readonly` key slips past both new ReplicatedMergeTree gates
- Upgrade detaches all parts of MergeTree tables partitioned by toStartOfInterval
- input_format_allow_errors_num can't skip JSON null in numeric columns
- `LOGICAL_ERROR`: shard-scope admission checks the root, not the chosen subquery
- Fix NULL nesting in exact CAST literal parsing
- JOIN USING with alias keys differing by leading underscore joins wrong or throws
- Timed-out or killed query fails the shared HTTP dictionary load for everyone
- Docs
- C++ not yet supported