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Check input value is duplicated when quantile queue is full (#7091)

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Co-authored-by: Taewoo Kim <taewoo@layer6.com>
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Taewoo Kim 2021-07-22 15:07:01 -04:00 committed by GitHub
parent caa9e527dd
commit 41e882f80b
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src/common/quantile.h
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@ -575,7 +575,7 @@ class QuantileSketchTemplate {
*/
inline void Push(DType x, RType w = 1) {
if (w == static_cast<RType>(0)) return;
if (inqueue.qtail == inqueue.queue.size()) {
if (inqueue.qtail == inqueue.queue.size() && inqueue.queue[inqueue.qtail - 1].value != x) {
// jump from lazy one value to limit_size * 2
if (inqueue.queue.size() == 1) {
inqueue.queue.resize(limit_size * 2);