hvanhovell commented on code in PR #49560:
URL: https://github.com/apache/spark/pull/49560#discussion_r1962680164
##########
sql/connect/server/src/main/scala/org/apache/spark/sql/connect/planner/SparkConnectPlanner.scala:
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@@ -1034,6 +1038,49 @@ class SparkConnectPlanner(
.logicalPlan
}
+ private def transformTransformWithStateInPandas(
+ pythonUdf: PythonUDF,
+ groupedDs: RelationalGroupedDataset,
+ rel: proto.GroupMap): LogicalPlan = {
+ val twsInfo = rel.getTransformWithStateInfo
+ val outputSchema = parseSchema(twsInfo.getOutputSchema)
+
+ if (rel.hasInitialInput) {
+ val initialGroupingCols =
rel.getInitialGroupingExpressionsList.asScala.toSeq.map(expr =>
+ Column(transformExpression(expr)))
+
+ val initialStateDs = Dataset
+ .ofRows(session, transformRelation(rel.getInitialInput))
Review Comment:
In general please avoid doing this in the SparkConnectPlanner. This is very
expensive to do, and we don't really track this well (as in the metrics might
be off).
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