clickhouse
https://github.com/clickhouse/clickhouse
C++
ClickHouse is a free analytics DBMS for big data
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- Issues
- New keeper storage
- Add setting to omit CSV quotes for date and time types
- Fix MarkCache entries never evicted after a part is moved or detached
- Add bound check for max_read_buffer_size
- Fix flaky test 02770_async_buffer_ignore
- Add test: UInt32 LowCardinality index-width branch of `getDistinctIndexes` (bloom filter over >65536-distinct LC column) untested
- Name materialized view and target table in target write error
- Make ALTER MODIFY COLUMN on named Tuple metadata-only when adding subfields
- Fix flaky test 04051_pk_analysis_stats under parallel replicas
- Optimizer: Add index pruning for nullIf(key, sentinel) predicates (#107209)
- Docs
- C++ not yet supported