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 supported66 Subscribers
Add a CodeTriage badge to clickhouse
Help out
- Issues
- Query compilation is quadratic in the number of OR-ed predicates: 140s for 128k `JSONHas` terms on a 1-row table (three O(N²) spots, fixes for two)
- Pending `ALTER UPDATE` applied on the fly does not reach a `DEFAULT` column that reads the updated column
- Add a `jsonStringValues` text index tokenizer for path-scoped JSON text search
- PR kill switch strips parallel replicas from subqueries of JOIN-free queries
- Preserve float keys when `DISTINCT` spills
- Move TTL input stays gathered: merge throws NOT_FOUND_COLUMN_IN_BLOCK
- Vertical merge applies rows TTL despite STOP TTL MERGES: LOGICAL_ERROR
- `CAST(((1)) AS Nullable(UInt128))` returns NULL: nested parens read as a tuple
- CAST literal: NULL admitted by a Nullable below it, silently read as a default
- Puffin output format
- Docs
- C++ not yet supported