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b6107cc888
* Make rate possible non-counter annotation consistent
Previously a PossibleNonCounterInfo annotation would be left in cases
where a range-vector selects 1 float data point, even if no more points
are selected in order to calculate a rate.
This change ensures an output float exists before emitting such an
annotation.
This fixes an inconsistency where a series with mixed data (ie, a float
and a native histogram) would emit an annotation without any points.
For example,
```
load 1m
series{label="a"} 1 {{schema:1 sum:10 count:5 buckets:[1 2 3]}}
eval instant at 1m rate(series[1m1s])
```
Would have a PossibleNonCounterInfo annotation.
Wheras
```
load 1m
series{label="a"} {{schema:1 sum:10 count:5 buckets:[1 2 3]}} {{schema:1 sum:15 count:10 buckets:[1 2 3]}}
eval instant at 1m rate(series[1m1s])
```
Would not.
---------
Signed-off-by: Joshua Hesketh <josh@nitrotech.org>
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| .. | ||
| fuzz-data | ||
| parser | ||
| promqltest | ||
| bench_test.go | ||
| engine_internal_test.go | ||
| engine_test.go | ||
| engine.go | ||
| functions_internal_test.go | ||
| functions_test.go | ||
| functions.go | ||
| fuzz_test.go | ||
| fuzz.go | ||
| histogram_stats_iterator_test.go | ||
| histogram_stats_iterator.go | ||
| promql_test.go | ||
| quantile_test.go | ||
| quantile.go | ||
| query_logger_test.go | ||
| query_logger.go | ||
| value_test.go | ||
| value.go | ||