Joel Bernstein created SOLR-8593:
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Summary: Integrate Apache Calcite into 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 1 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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