srowen commented on a change in pull request #26162: [SPARK-29438][SS] Use
partition ID of StateStoreAwareZipPartitionsRDD for determining partition ID of
state store in stream-stream join
URL: https://github.com/apache/spark/pull/26162#discussion_r343570386
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/streaming/StreamingSymmetricHashJoinExec.scala
##########
@@ -206,12 +206,20 @@ case class StreamingSymmetricHashJoinExec(
}
private def processPartitions(
+ leftPartitionId: Int,
leftInputIter: Iterator[InternalRow],
+ rightPartitionId: Int,
rightInputIter: Iterator[InternalRow]): Iterator[InternalRow] = {
if (stateInfo.isEmpty) {
throw new IllegalStateException(s"Cannot execute join as state info was
not specified\n$this")
}
+ if (leftPartitionId != rightPartitionId) {
Review comment:
Dumb question, but why accept two partition IDs here in a private method if
they must be the same?
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