clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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- Issues
- Fix CPU-slot acquisition latency and add ResourceRequest tracing (#11…
- Add custom http headers to AI named collections
- Feat(Array): Add `arrayInsert` function
- Add stateless tests for Delta Lake writes
- PoolBase::get marks a slot in_use before allocObject, leaking it on throw
- Slow unkillable query
- `SYSTEM START VIEW` through an alias does not resume a refreshable materialized view
- Distribution queue grow and BackgroundDistributedSchedulePoolTask stuck
- Split AggregateFunctionTimeseriesHelpers.cpp: its object is at 93% of the 50 MB large-object gate on master, and over it with PromQL range functions
- DeltaLake writes: decimal partition value committed without scale (`1.5` for `decimal(10,2)`), the table is then unreadable by ClickHouse and delta-rs
- Docs
- C++ not yet supported