clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Make a `LowCardinality` argument transparent to the KQL `/`, `bin` and `bin_at`
- Fix wrong result from `optimize_injective_functions_in_group_by` on `toString(x, NULL)`
- Fix the CI infrastructure auto-retry and rerun an infra job in a mixed run
- Fix wrong results when two `DateTime` constants differ only in the time zone
- Fsync the parts of an INSERT once, at the end of the query
- Join contiguous key hash
- Parallelize ordered merge output materialization
- Parallelize merging of large uniqExact states in aggregation with keys
- Normalize Iceberg partition values in the identity-projection path
- Do not lazily execute runningAccumulate as a short-circuit argument
- Docs
- C++ not yet supported