clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix wrong results of `distinctJSONPaths` with window functions, JOINs and filters
- Fix reading a DataLakeCatalog table whose location is not a valid URL
- Fix aggregate projection not used with IS NULL under the analyzer
- Fix correlated EXISTS over an aggregate without GROUP BY returning 0 for outer rows without inner rows
- Docs: internationalize master
- Compute projection expressions before window functions in the analyzer
- Support named arguments in function calls
- fix(promql) `or` chains that exceed the query tree limit are not duplicated anymore.
- Honor read limits for file, URL and object-storage sources
- Fix key analysis skipping rows for wrapping `toDate` keys and date-time text in tuple constants
- Docs
- C++ not yet supported