clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix scale error in exception message of parseDateTime64InJodaSyntax
- fix(ci): Split the PromQL compliance comment hook into an isolated job because it requires GH auth.
- `canFallbackToStringReplacement` allows fallback even when replacement contains `\0` substitution reference
- `tryOptimizeAndEqualsNotEqualsChain` loses type info when converting notEquals chain to NOT IN, causing wrong results with Date columns
- `dictionary_validate_primary_key_type` rejects `LowCardinality(UInt64)` due to missing `removeLowCardinality` unwrap
- Preserve LowCardinality in nested() and ARRAY JOIN over Nested columns
- Iceberg: prune manifest files at the manifest-list level using the partitions summary
- Support for `CREATE OR REPLACE MATERIALIZED VIEW`
- Add optimize_row_order_if_no_order_by (reopen #103919)
- Investigate partitioned-build, streamed-probe variant of ConcurrentHashJoin
- Docs
- C++ not yet supported