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From "Joel Bernstein (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (SOLR-8593) Integrate Apache Calcite into the SQLHandler
Date Thu, 26 May 2016 09:24:12 GMT

    [ https://issues.apache.org/jira/browse/SOLR-8593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15301871#comment-15301871
] 

Joel Bernstein commented on SOLR-8593:
--------------------------------------

Interesting. I'd like to spend some time in the next couple weeks to see what we can done
in the near term on this ticket. Possibly, the first step is just to release equivalent functionality
to the current Presto code, with a Calcite release. This would provide the base to gradually
expand the SQL feature set.

> 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
>
> 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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