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https://issues.apache.org/jira/browse/DRILL-6589?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16539912#comment-16539912
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ASF GitHub Bot commented on DRILL-6589:
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vdiravka commented on a change in pull request #1372: DRILL-6589: Push
transitive closure predicates past aggregates/projects
URL: https://github.com/apache/drill/pull/1372#discussion_r201641542
##########
File path:
exec/java-exec/src/main/java/org/apache/drill/exec/planner/logical/DrillRelFactories.java
##########
@@ -92,7 +97,7 @@ public RelNode createProject(RelNode child,
/**
* Implementation of {@link RelFactories.FilterFactory} that
- * returns a vanilla {@link LogicalFilter}.
+ * returns a vanilla LogicalFilter.
Review comment:
You can add it to import. But looks like it is wrong statement, this returns
`DrillFilterRel` not `LogicalFilter`.
The same for `LogicalProject` and `LogicalJoin`. Please change it.
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> Push transitive closure generated predicates past aggregates/projects
> ---------------------------------------------------------------------
>
> Key: DRILL-6589
> URL: https://issues.apache.org/jira/browse/DRILL-6589
> Project: Apache Drill
> Issue Type: Bug
> Affects Versions: 1.13.0
> Reporter: Gautam Kumar Parai
> Assignee: Gautam Kumar Parai
> Priority: Major
> Fix For: 1.14.0
>
>
> Here is a sample query that may benefit from this optimization:
> SELECT * FROM T1 WHERE a1 = 5 AND a1 IN (SELECT a2 FROM T2);
> Here the transitive predicate a2 = 5 would be pushed past the aggregate due
> to this optimization.
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