AngersZhuuuu commented on code in PR #36377:
URL: https://github.com/apache/spark/pull/36377#discussion_r865614369
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sql/hive/src/main/scala/org/apache/spark/sql/hive/client/HiveClientImpl.scala:
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@@ -1270,6 +1271,10 @@ private[hive] object HiveClientImpl extends Logging {
}
// Disable CBO because we removed the Calcite dependency.
hiveConf.setBoolean("hive.cbo.enable", false)
+ // Disable auto gather statistic by default.
Review Comment:
> is there any case people need to enable auto gather statistics?
If user want to use the correct statistic properties of numFile and size.
Since spark have it's own way to update statistics, here disable this is
reasonable and we can have a migration doc?
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