zhengruifeng commented on code in PR #39246:
URL: https://github.com/apache/spark/pull/39246#discussion_r1058097335
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connector/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala:
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@@ -328,6 +329,16 @@ class SparkConnectPlanner(session: SparkSession) {
.logicalPlan
}
+ private def transformStatCov(rel: proto.StatCov): LogicalPlan = {
Review Comment:
`df.stat.cov` returns a double value, which always trigger a job to compute
it.
the users will need to wait for this computation.
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