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quantizer: make sure there are enough elements in slice before accessing #421

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May 14, 2018
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quantizer: make sure there are enough elements in slice before accessing #421

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2 changes: 1 addition & 1 deletion quantizer/redis.go
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Original file line number Diff line number Diff line change
Expand Up @@ -53,7 +53,7 @@ func QuantizeRedis(span *model.Span) {

command := strings.ToUpper(args[0])

if redisCompoundCommandSet[command] {
if redisCompoundCommandSet[command] && len(args) > 1 {
if strings.HasSuffix(args[1], redisTruncationMark) {
truncated = true
continue
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