clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Parquet reader v3: use min/max stats when the requested type needs a monotonic conversion
- Regenerated toDateTime64 saturation doc example shows 2299-12-31 but actual output is 9999-12-31
- flattenArrayTableExpressionOnRightOfIn wraps a Set-engine array table into an unreadable SELECT, throwing NOT_IMPLEMENTED on `scalar IN set_table`
- Add support for S3Queue mode='exclusive'
- TTL DELETE WHERE is silently never applied after a mutation changes the WHERE-referenced column
- Add STREAM BOUNDED modifier
- Add non-owning ValueRef to reduce Field materialization on hot paths
- Combine I/O cost with selectivity in PREWHERE condition ordering
- Docs: add linked code block component
- Fix toDateTime64 saturation doc example (9999 not 2282)
- Docs
- C++ not yet supported