clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
Triage Issues!
When you volunteer to triage issues, you'll receive an email each day with a link to an open issue that needs help in this project. You'll also receive instructions on how to triage issues.
Triage Docs!
Receive a documented method or class from your favorite GitHub repos in your inbox every day. If you're really pro, receive undocumented methods or classes and supercharge your commit history.
C++ not yet supported67 Subscribers
Add a CodeTriage badge to clickhouse
Help out
- Issues
- PREWHERE reordering hoists a Map-key predicate ahead of a cheaper filter, forcing a full Map read (regression since 26.3)
- Skip sharding key IN rewrite when the sharding key contains a set
- Serialize iceberg metadata log content lazily
- Flaky test 01513_count_without_select_sequence_consistency_zookeeper_long: UNSATISFIED_QUORUM_FOR_PREVIOUS_WRITE on quorum INSERT
- Add `first` load balancing mode
- Add setting `send_header_and_column_defaults_for_insert`
- Add aiFilter AI function (boolean predicate for WHERE / PREWHERE / JOIN)
- Add aiAggregate / aiSummarizeAgg AI aggregate functions (row reduction beyond context window)
- Add aiSimilarity AI function (semantic similarity without managing embeddings)
- Metrics for tracking insertions via materialized view
- Docs
- C++ not yet supported