clickhouse
https://github.com/yandex/clickhouse
C++
ClickHouse is a free analytic DBMS for big data.
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Help out
- Issues
- Handle VictoriaMetrics and Thanos parameters in the Prometheus query API instead of failing with UNKNOWN_SETTING
- Lazy FINAL ignores SAMPLE, returning out-of-sample rows
- Add settings promql_lookback_delta and promql_default_subquery_step
- Keep NaN samples in the PromQL quantile aggregation
- Session settings with descriptions that only restate the setting name
- `CREATE DICTIONARY` accepts a malformed `headers(...)` in an `HTTP` source
- Shipped query plan reads leave empty tables/databases/columns in query_log
- dictGet throws on valid LowCardinality(String) keys due to LC default ''
- dictGet/dictGetOrDefault throw on NULL rows of a Nullable key needing type cast
- RabbitMQ: Publishing events sleeps 200 ms per round trip instead of waiting on the event loop
- Docs
- C++ not yet supported