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https://issues.apache.org/jira/browse/DRILL-6671?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16573651#comment-16573651
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ASF GitHub Bot commented on DRILL-6671:
---------------------------------------
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.
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> Multi level lateral unnest join is throwing an exception during materializing
> the plan.
> ---------------------------------------------------------------------------------------
>
> Key: DRILL-6671
> URL: https://issues.apache.org/jira/browse/DRILL-6671
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 1.15.0
> Reporter: Hanumath Rao Maduri
> Assignee: Hanumath Rao Maduri
> Priority: Major
>
> testMultiUnnestAtSameLevel in TestE2EUnnestAndLateral is throwing an
> execution in Materializer.java. This is due to incorrect matching of Unnest
> and Lateral join.
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