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histograms: fixed panic in merge when target bucket is nil

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AndrewChubatiuk 2024-05-20 15:46:52 +03:00
parent a52bdc6f15
commit 5e5f209f79
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1 changed files with 4 additions and 0 deletions
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4
histogram.go
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@ -125,6 +125,10 @@ func (h *Histogram) Merge(b *Histogram) {
if db == nil { if db == nil {
continue continue
} }
if h.decimalBuckets[i] == nil {
var b [bucketsPerDecimal]uint64
h.decimalBuckets[i] = &b
}
for j := range db { for j := range db {
h.decimalBuckets[i][j] = db[j] h.decimalBuckets[i][j] = db[j]
} }