Hanumath Rao Maduri created DRILL-6456:
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Summary: Planner shouldn't create any exchanges on the right side
of Lateral Join.
Key: DRILL-6456
URL: https://issues.apache.org/jira/browse/DRILL-6456
Project: Apache Drill
Issue Type: Bug
Components: Query Planning & Optimization
Affects Versions: 1.14.0
Reporter: Hanumath Rao Maduri
Assignee: Hanumath Rao Maduri
Fix For: 1.14.0
Currently, there is no restriction placed on right side of the LateralJoin.
This is causing planner to generate an Exchange when there are operators like
(Agg, Limit, Sort etc).
Due to this unnest operator cannot retrieve the row from lateral's left side to
process the pipeline further. Enhance the planner to not generate exchanges on
the right side of the LateralJoin.
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