clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix silent Iceberg data loss on GCS parallel INSERT.
- Keep the Glue table definition on Iceberg commits and refuse to overwrite a concurrent commit
- Fix parseDateTime resetting month and day when weekday follows calendar date
- Experiment: two-level hash table buckets in one memory area with transparent huge pages
- Always back-quote the table of a path PUT upload so a table named `function` works
- Fix reading a view whose query has more than one `ARRAY JOIN`
- Refuse reading Hudi Merge-on-Read tables whose latest changes are in log files
- Drop the caches when a table is created with an explicit UUID or by replica recovery
- Do not consider a `Replicated` database replica lost because one of its tables failed to load
- Decide comparisons of constants behind `materialize` in the row estimate
- Docs
- C++ not yet supported