jingz-db commented on code in PR #45467:
URL: https://github.com/apache/spark/pull/45467#discussion_r1534358386
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sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/TransformWithStateExec.scala:
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@@ -271,57 +320,111 @@ case class TransformWithStateExec(
case _ =>
}
- if (isStreaming) {
- child.execute().mapPartitionsWithStateStore[InternalRow](
+ if (hasInitialState) {
+ val storeConf = new StateStoreConf(session.sqlContext.sessionState.conf)
+ val hadoopConfBroadcast = sparkContext.broadcast(
Review Comment:
I am not 100% percent sure, but this will distribute the read-only variable
`hadoopConf` to all executors - similar as here:
https://github.com/apache/spark/blob/74a9c6cfc6ea937031fe1ca5db539139322339a5/sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/v2/state/StateScanBuilder.scala#L55-L57
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