HeartSaVioR commented on a change in pull request #25913:
[WIP][SPARK-29221][SQL] LocalTableScanExec: handle the case where executors are
accessing "null" rows
URL: https://github.com/apache/spark/pull/25913#discussion_r327604405
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/LocalTableScanExec.scala
##########
@@ -37,7 +37,7 @@ case class LocalTableScanExec(
"numOutputRows" -> SQLMetrics.createMetric(sparkContext, "number of output
rows"))
@transient private lazy val unsafeRows: Array[InternalRow] = {
- if (rows.isEmpty) {
+ if (rows == null || rows.isEmpty) {
Review comment:
Adding transient is to avoid serializing and copying whole rows, so I guess
it's preferred one.
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