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promql: Expose bug of not checking 1st histogram for CRH

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avg_over_time already correctly checked the counter reset hint fo all
histograms, but in sum_over_time, the 1st histogram was missed in the
loop. This commit exposes the bug in a test.

Signed-off-by: beorn7 <beorn@grafana.com>
This commit is contained in:
beorn7 2025-10-14 00:52:23 +02:00
parent edbc5cfa06
commit ff49406cba
1 changed files with 12 additions and 0 deletions
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12
promql/promqltest/testdata/native_histograms.test vendored
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@ -1709,6 +1709,18 @@ eval instant at 14m histogram_count(avg_over_time(mixed[10m]))
expect no_info
{} 9.3
# In the following two tests, the first sample has hint "not_reset"
# and the second has "reset". This tests if the conflict is detected
# between the first two samples, too.
eval instant at 11m histogram_count(sum_over_time(mixed[2m]))
expect warn msg:PromQL warning: conflicting counter resets during histogram aggregation
expect no_info
{} 21
eval instant at 11m histogram_count(avg_over_time(mixed[2m]))
expect warn msg:PromQL warning: conflicting counter resets during histogram aggregation
expect no_info
{} 10.5
# Test histogram_quantile annotations.
load 1m