maropu commented on a change in pull request #29983:
URL: https://github.com/apache/spark/pull/29983#discussion_r502364642
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File path:
sql/catalyst/src/main/scala/org/apache/spark/sql/internal/SQLConf.scala
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@@ -2775,6 +2775,16 @@ object SQLConf {
.booleanConf
.createWithDefault(false)
+ val LEGACY_CENTRAL_MOMENT_AGG_BEHAVIOR =
+ buildConf("spark.sql.legacy.centralMomentAgg.enabled")
Review comment:
Could you update the migration guide, too?
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