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
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File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/physical/visitor/LateralUnnestRowIDVisitor.java
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@@ -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.
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