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From "Kevin Risden (JIRA)" <>
Subject [jira] [Commented] (SOLR-8593) Integrate Apache Calcite into the SQLHandler
Date Wed, 01 Mar 2017 14:58:45 GMT


Kevin Risden commented on SOLR-8593:

[~joel.bernstein] & [~julianhyde] - I tried to set user.locale=tr for the Calcite and
Avatica proper tests and couldn't get it to fail. I haven't been able to isolate the issue.
The few things I tried from the Calcite repo:
MAVEN_OPTS="$MAVEN_OPTS -Duser.locale=tr" mvn clean test
Add -Duser.locale=tr to the surefire argLinein pom.xml

Neither of the above made tests in either Calcite or Avatica fail. Not sure where to go from

> Integrate Apache Calcite into the SQLHandler
> --------------------------------------------
>                 Key: SOLR-8593
>                 URL:
>             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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