HanumathRao commented on a change in pull request #1426: DRILL-6671: Multi level lateral unnest join is throwing an exception … URL: https://github.com/apache/drill/pull/1426#discussion_r208685651
########## File path: exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.java ########## @@ -64,7 +66,14 @@ public Prel visitLateral(LateralJoinPrel prel, Boolean value) throws RuntimeExce children.add(((Prel)prel.getInput(0)).accept(this, value)); children.add(((Prel) prel.getInput(1)).accept(this, true)); - return (Prel) prel.copy(prel.getTraitSet(), children); + if (!value) { + return (Prel) prel.copy(prel.getTraitSet(), children); + } else { + CorrelationId corrId = new CorrelationId(prel.getCorrelationId().getId() + 1); Review comment: As discussed offline. I have used the same code as that of ProjectCorrelateTransposeRule to replace correlate variables. ---------------------------------------------------------------- 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: us...@infra.apache.org With regards, Apache Git Services