Github user vrozov commented on a diff in the pull request:
https://github.com/apache/drill/pull/1110#discussion_r167088606
--- Diff:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/PrelVisitor.java
---
@@ -35,7 +38,9 @@
public RETURN visitScan(ScanPrel prel, EXTRA value) throws EXCEP;
public RETURN visitJoin(JoinPrel prel, EXTRA value) throws EXCEP;
public RETURN visitProject(ProjectPrel prel, EXTRA value) throws EXCEP;
-
+ public RETURN visitHashToRandomExchange(HashToRandomExchangePrel prel,
EXTRA value) throws EXCEP;
--- End diff --
Are 3 new methods necessary? Can `visitExchange` delegate to `prel` or use
instance of?
---
