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https://issues.apache.org/jira/browse/KUDU-935?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15433972#comment-15433972
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Matthew Jacobs commented on KUDU-935:
-------------------------------------
I believe this is still there, but should go away with the scan token API
change. I filed https://issues.cloudera.org/browse/IMPALA-4016 to track it on
the Impala side in the meantime.
> Don't force un-materialized slots that are referenced in predicates to be
> materialized
> --------------------------------------------------------------------------------------
>
> Key: KUDU-935
> URL: https://issues.apache.org/jira/browse/KUDU-935
> Project: Kudu
> Issue Type: Bug
> Components: impala
> Affects Versions: Feature Complete
> Reporter: David Alves
> Assignee: David Alves
>
> Right now slotref thrift serialization makes sure the slots are materialized
> before serialization, but for kudu we send slot refs just to build the kudu
> predicates, meaning the slots might not be referenced in the projection at
> all. In this case we should avoid materializing the slots (and thus
> allocating memory).
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