dilipbiswal commented on a change in pull request #24759: [SPARK-27395][SQL]
Improve EXPLAIN command
URL: https://github.com/apache/spark/pull/24759#discussion_r316820130
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/exchange/Exchange.scala
##########
@@ -77,6 +77,15 @@ case class ReusedExchangeExec(override val output:
Seq[Attribute], child: Exchan
override def outputOrdering: Seq[SortOrder] = {
child.outputOrdering.map(updateAttr(_).asInstanceOf[SortOrder])
}
+
+ override def verboseStringWithOperatorId(): String = {
+ val cdgen = ExplainUtils.getCodegenId(this)
+ val reuse_op_str = ExplainUtils.getOpId(child)
+ s"""
+ |(${ExplainUtils.getOpId(this)}) $nodeName ${cdgen} [Reuses operator
id: $reuse_op_str]
Review comment:
@cloud-fan Currently its implemented by the following check in
`processPlanSkippingSubqueries`. For a change, i have it commented :-)
```
// ReusedSubqueryExecs are skipped over
if (plan.isInstanceOf[BaseSubqueryExec]) {
return startOperatorID
}
```
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