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When the --use_calcite_planner=true option is set at the server level, the queries will no longer go through CalciteJniFrontend. Instead, they will go through the regular JniFrontend, which is the path that is used when the query option for "use_calcite_planner" is set. The CalciteJniFrontend will be removed in a later commit. This commit also enables fallback to the original planner when an unsupported feature exception is thrown. This needed to be added to allow the tests to run properly. During initial database load, there are queries that access complex columns which throws the unsupported exception. Change-Id: I732516ca8f7ea64f73484efd67071910c9b62c8f Reviewed-on: http://gerrit.cloudera.org:8080/23523 Reviewed-by: Steve Carlin <scarlin@cloudera.com> Tested-by: Steve Carlin <scarlin@cloudera.com>