Github user wzhfy commented on a diff in the pull request:
https://github.com/apache/spark/pull/19831#discussion_r154250160
--- Diff:
sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala
---
@@ -418,7 +418,7 @@ private[hive] class HiveClientImpl(
// Note that this statistics could be overridden by Spark's
statistics if that's available.
val totalSize =
properties.get(StatsSetupConst.TOTAL_SIZE).map(BigInt(_))
val rawDataSize =
properties.get(StatsSetupConst.RAW_DATA_SIZE).map(BigInt(_))
- val rowCount =
properties.get(StatsSetupConst.ROW_COUNT).map(BigInt(_)).filter(_ >= 0)
+ val rowCount =
properties.get(StatsSetupConst.ROW_COUNT).map(BigInt(_)).filter(_ > 0)
--- End diff --
Thanks for the investigation. Seems hive can't protect its stats properties.
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