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From "Kevin Risden (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-8593) Integrate Apache Calcite into the SQLHandler
Date Fri, 06 Jan 2017 21:35:58 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15805828#comment-15805828
] 

Kevin Risden commented on SOLR-8593:
------------------------------------

Updated jira/solr-8593 branch with Calcite 0.11.0 since that was just released.

> Integrate Apache Calcite into the SQLHandler
> --------------------------------------------
>
>                 Key: SOLR-8593
>                 URL: https://issues.apache.org/jira/browse/SOLR-8593
>             Project: Solr
>          Issue Type: Improvement
>            Reporter: Joel Bernstein
>            Assignee: Joel Bernstein
>         Attachments: SOLR-8593.patch, SOLR-8593.patch
>
>
>    The Presto SQL Parser was perfect for phase one of the SQLHandler. It was nicely split
off from the larger Presto project and it did everything that was needed for the initial implementation.
> Phase two of the SQL work though will require an optimizer. Here is where Apache Calcite
comes into play. It has a battle tested cost based optimizer and has been integrated into
Apache Drill and Hive.
> This work can begin in trunk following the 6.0 release. The final query plans will continue
to be translated to Streaming API objects (TupleStreams), so continued work on the JDBC driver
should plug in nicely with the Calcite work.



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