diff --git a/docs/ExtendedPromQL.md b/docs/ExtendedPromQL.md index 81e9ed471..68482703a 100644 --- a/docs/ExtendedPromQL.md +++ b/docs/ExtendedPromQL.md @@ -7,7 +7,7 @@ The following functionality is implemented differently in MetricsQL comparing to * MetricsQL takes into account the previous point before the window in square brackets for range functions such as `rate` and `increase`. It also doesn't extrapolate range function results. This addresses [this issue from Prometheus](https://github.com/prometheus/prometheus/issues/3746). * MetricsQL returns the expected non-empty responses for requests with `step` values smaller than scrape interval. This addresses [this issue from Grafana](https://github.com/grafana/grafana/issues/11451). -* MetricsQL treats `scalar` type the same as `instant vector` without labels, since users usually don't feel the difference between these types. +* MetricsQL treats `scalar` type the same as `instant vector` without labels, since subtle difference between these types usually confuses users. See [the corresponding Prometheus docs](https://prometheus.io/docs/prometheus/latest/querying/basics/#expression-language-data-types) for details. Other PromQL functionality should work the same in MetricsQL. [File an issue](https://github.com/VictoriaMetrics/VictoriaMetrics/issues)