HanumathRao commented on a change in pull request #1417: DRILL-6645: Transform
TopN in Lateral Unnest pipeline to Sort and Limit.
URL: https://github.com/apache/drill/pull/1417#discussion_r207628873
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/TopNPrel.java
##########
@@ -115,6 +118,16 @@ public Prel addImplicitRowIDCol(List<RelNode> children) {
.replace(this.getTraitSet().getTrait(DrillDistributionTraitDef.INSTANCE))
.replace(collationTrait)
.replace(DRILL_PHYSICAL);
- return (Prel) this.copy(traits, children);
+ return transformTopNToSortAndLimit(children, traits, collationTrait);
+ }
+
+ private Prel transformTopNToSortAndLimit(List<RelNode> children, RelTraitSet
traits, RelCollation collationTrait) {
Review comment:
SelectionVector are created at the later stage. This is called before
inserting the selectionvector.
----------------------------------------------------------------
This is an automated message from the Apache Git Service.
To respond to the message, please log on GitHub and use the
URL above to go to the specific comment.
For queries about this service, please contact Infrastructure at:
[email protected]
With regards,
Apache Git Services
