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https://issues.apache.org/jira/browse/DRILL-3993?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16330379#comment-16330379
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ASF GitHub Bot commented on DRILL-3993:
---------------------------------------
Github user vvysotskyi commented on the issue:
https://github.com/apache/drill/pull/1066
@amansinha100, regarding HashAggregate OOM related change, it was done in
the scope of this pull request since with new Calcite a physical plan for the
query was changed to the correct one but it caused an infinite loop in HashAgg
operator. Therefore I made these changes in order to prevent this infinite loop
for the queries that previously worked.
I still think that it is better to keep this change in this PR.
> Rebase Drill on Calcite master branch
> -------------------------------------
>
> Key: DRILL-3993
> URL: https://issues.apache.org/jira/browse/DRILL-3993
> Project: Apache Drill
> Issue Type: Bug
> Components: Query Planning & Optimization
> Affects Versions: 1.2.0
> Reporter: Sudheesh Katkam
> Assignee: Roman Kulyk
> Priority: Major
>
> Calcite keeps moving, and now we need to catch up to Calcite 1.5, and ensure
> there are no regressions.
> Also, how do we resolve this 'catching up' issue in the long term?
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