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https://issues.apache.org/jira/browse/SOLR-8593?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15876162#comment-15876162
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Joel Bernstein edited comment on SOLR-8593 at 2/21/17 3:38 PM:
---------------------------------------------------------------
I was thinking about merging
https://github.com/apache/lucene-solr/tree/jira/solr-8593 into branch_6x rather
then cherry picking from master. There is one commit that will need to be
reverted because it's only valid in master, but that should be fairly easy to
do I think.
was (Author: joel.bernstein):
I was thinking about merging
https://github.com/apache/lucene-solr/tree/jira/solr-8593 into branch_6x rather
then cherry picking from master. There is one commit that will need to be
reverted because it's only valid in master, but that should fairly easy to do
I think.
> Integrate Apache Calcite into the SQLHandler
> --------------------------------------------
>
> Key: SOLR-8593
> URL: https://issues.apache.org/jira/browse/SOLR-8593
> Project: Solr
> Issue Type: Improvement
> Components: Parallel SQL
> Reporter: Joel Bernstein
> Assignee: Joel Bernstein
> Fix For: 6.5, master (7.0)
>
> Attachments: SOLR-8593.patch, 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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