clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Backport #102360 to 26.3: fix data race for ast in database memory on alter and format
- Backport #102360 to 26.4: fix data race for ast in database memory on alter and format
- ORC: decouple offset-based read (readBigAt) from use_prefetch
- Weird "if" behavior when selecting from system.merges
- Auto-convert non-String haystack in LIKE/ILIKE expressions
- Backport #101403 to 26.2: Fix mutation UPDATE SET DateTime literal not rewritten with session_t…
- Backport #101403 to 26.3: Fix mutation UPDATE SET DateTime literal not rewritten with session_t…
- `AliasSink::consume` resets dedup block counter per chunk, causing silent data loss with `insert_deduplication_token`
- `ALTER UPDATE ipv6_col = toIPv6(IPv4NumToString(v))` silently produces corrupted parts; compound RENAME then crashes the server in a retry-loop (23.7.5)
- Flaky test: 04078_native_protocol_input_validation
- Docs
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