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https://issues.apache.org/jira/browse/SOLR-8593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15708937#comment-15708937
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Joel Bernstein edited comment on SOLR-8593 at 11/30/16 3:58 PM:
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I've started to work on this ticket. As a first step I'm doing some refactoring
on the SolrTable class to create methods for handling the different types of
queries. After that I'll get the aggregationModes hooked up.
was (Author: joel.bernstein):
I've started to work on this ticket. As a first step I'm doing some refactoring
to create methods for handling the different types of queries. After that I'll
get the aggregationModes hooked up.
> 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
>
>
> 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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