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Posted to issues@drill.apache.org by "amit hadke (JIRA)" <ji...@apache.org> on 2015/10/08 19:30:26 UTC

[jira] [Assigned] (DRILL-3793) Rewrite MergeJoinBatch using record batch iterator.

     [ https://issues.apache.org/jira/browse/DRILL-3793?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

amit hadke reassigned DRILL-3793:
---------------------------------

    Assignee: amit hadke

> Rewrite MergeJoinBatch using record batch iterator.
> ---------------------------------------------------
>
>                 Key: DRILL-3793
>                 URL: https://issues.apache.org/jira/browse/DRILL-3793
>             Project: Apache Drill
>          Issue Type: Improvement
>          Components: Execution - Relational Operators
>            Reporter: amit hadke
>            Assignee: amit hadke
>             Fix For: Future
>
>
> Current implementation of merge join operator is convoluted as it has to handle duplicates between record batches. MergeJoin rewrite should use record batch iterator which hides the complexity of managing multiple record batches and iterating through them.



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