util: add native histogram support to SendSumOfHistograms #7178
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Extend HistogramData struct with native histogram fields. Convert input spans+deltas to map[int]int64 for aggregation. On output, MustNewConstNativeHistogram calls makeBucketsFromMap() to reconstruct spans+deltas for wire format.
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Extend HistogramData struct with native histogram fields. Convert input spans+deltas to
map[int]int64for aggregation. On output,MustNewConstNativeHistogramcallsmakeBucketsFromMap()to reconstruct spans+deltas for wire format.What this PR does:
Which issue(s) this PR fixes:
Fixes #6489
Checklist
CHANGELOG.mdupdated - the order of entries should be[CHANGE],[FEATURE],[ENHANCEMENT],[BUGFIX]