Functions&Operators(PromQL)
Less than 1 minuteAbout 188 words
The following are the statistics of openGemini support for Prometheus functions and operators, which has reached 90% overall. welcome to join us.
For a detailed introduction to the functions of operators and functions, please refer to prometheus Documentation
The Prometheus Functions
| Functions | Support or not by openGemini |
|---|---|
| Count() | ✔ |
| Count_values() | ✖ |
| Avg() | ✔ |
| Max() | ✔ |
| Min() | ✔ |
| Sum() | ✔ |
| TopK() | ✔ |
| Bottomk() | ✔ |
| Limitk() | ✖ |
| Limit_ratio() | ✖ |
| Stddev() | ✔ |
| Irate() | ✔ |
| Rate() | ✔ |
| Absent() | ✔ |
| Stdvar() | ✔ |
| Quantile() | ✔ |
| Delta() | ✔ |
| Idelta() | ✔ |
| Increase() | ✔ |
| Derives() | ✔ |
| Count_values() | ✔ |
| Group() | ✖ |
| Abs() | ✔ |
| Acos() | ✔ |
| Asim() | ✔ |
| Atan() | ✔ |
| Atan2() | ✔ |
| Ceil() | ✔ |
| Cos() | ✔ |
| Exp() | ✔ |
| Floor() | ✔ |
| Ln() | ✔ |
| Log2() | ✔ |
| Log10() | ✔ |
| Round() | ✔ |
| Sin() | ✔ |
| Sqrt() | ✔ |
| Tan() | ✔ |
| Label_join | ✔ |
| Label_replace | ✔ |
| Day_of_month | ✔ |
| Day_of_week | ✔ |
| Day_of_year | ✔ |
| Days_in_month() | ✔ |
| Hour() | ✔ |
| Minute() | ✔ |
| Month() | ✔ |
| Time() | ✔ |
| Timestamp() | ✔ |
| Year() | ✔ |
| Clamp() | ✔ |
| Clamp_max() | ✔ |
| Clamp_min() | ✔ |
| Sgn() | ✖ |
| Acosh() | ✖ |
| Asinh() | ✖ |
| Atanh() | ✖ |
| Cosh() | ✖ |
| Sinh() | ✖ |
| Deg() | ✖ |
| Pi() | ✖ |
| Rad() | ✖ |
| Sort() | ✖ |
| Sort_desc() | ✖ |
| Sort_by_label() | ✖ |
| Sort_by_label_desc() | ✖ |
| Holt_winters() | ✔ |
| Predict_linear() | ✔ |
| Histogram_quantile() | ✔ |
| Histogram_count() | ✖ |
| Histogram_sum() | ✖ |
| Histogram_fraction() | ✖ |
| Histogram_avg() | ✖ |
| Histogram_stddev() | ✖ |
| Histogram_stdvar() | ✖ |
| Scalar() | ✔ |
| Vector() | ✔ |
| Avg_over_time(range-vector) | ✔ |
| Min_over_time(range-vector) | ✔ |
| Max_over_time(range-vector) | ✔ |
| Sum_over_time(range-vector) | ✔ |
| Count_over_time(range-vector) | ✔ |
| Stddev_over_time(range-vector) | ✔ |
| Stdvar_over_time(range-vector) | ✔ |
| Last_over_time(range-vector) | ✔ |
| Quantile_over_time(scalar, range-vector) | ✔ |
| Absent_over_time(range-vector) | ✖ |
| Mad_over_time(range-vector) | ✖ |
| Changes | ✔ |
| Resets | ✔ |
| Present_over_time(range-vector) | ✔ |
The Prometheus Operators
| Operators | Support or not by openGemini |
|---|---|
| + | ✔ |
| - | ✔ |
| * | ✔ |
| / | ✔ |
| % | ✔ |
| ^ | ✔ |
| == | ✔ |
| != | ✔ |
| > | ✔ |
| < | ✔ |
| >= | ✔ |
| <= | ✔ |
| and | ✔ |
| or | ✔ |
| unless | ✔ |
| on | ✖ |
| ignoring | ✖ |
| group_left | ✖ |
| group_right | ✖ |