viirya commented on code in PR #211:
URL:
https://github.com/apache/arrow-datafusion-comet/pull/211#discussion_r1536562830
##########
spark/src/main/scala/org/apache/spark/sql/comet/CometBroadcastExchangeExec.scala:
##########
@@ -257,9 +257,28 @@ class CometBatchRDD(
}
override def compute(split: Partition, context: TaskContext):
Iterator[ColumnarBatch] = {
- val partition = split.asInstanceOf[CometBatchPartition]
+ new Iterator[ColumnarBatch] {
+ val partition = split.asInstanceOf[CometBatchPartition]
+ val batchesIter =
partition.value.value.map(CometExec.decodeBatches(_)).toIterator
+ var iter: Iterator[ColumnarBatch] = null
+
+ override def hasNext: Boolean = {
+ if (iter != null) {
+ if (iter.hasNext) {
+ return true
+ }
+ }
+ if (batchesIter.hasNext) {
+ iter = batchesIter.next()
Review Comment:
I restored this part.
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