cloud-fan commented on issue #25095: [SPARK-28332][SQL] SQLMetric wrong initValue URL: https://github.com/apache/spark/pull/25095#issuecomment-510303479 looking at SPARK-11013, we do have a reason to use -1 as initial value, and we will filter out -1s when doing metrics merging. @windpiger can you give an example about when this can go wrong?
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