clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Link ch_contrib::simsimd into clickhouse_functions_array
- Add stateless tests for Delta Lake writes
- PoolBase::get marks a slot in_use before allocObject, leaking it on throw
- Slow unkillable query
- Join on null-safe nullable keys through fixed-width keys instead of a tuple
- [SECURITY] Reject embedded NUL in filesystem sandbox path validation
- `SYSTEM START VIEW` through an alias does not resume a refreshable materialized view
- Distribution queue grow and BackgroundDistributedSchedulePoolTask stuck
- Add `cast_to` parameter to `estimateCompressionRatio`
- Text index: a search that also selects a wide non-indexed column reads it for every row of every selected granule; filtering in the read step cuts 607 ms to 85 ms
- Docs
- C++ not yet supported