THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!
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Once we have completed the optimization, the (sub)plan of operators that need needs to be executed by Druid are is translated into a valid Druid JSON query, and pass passed as a property to the Hive physical TableScan operator. The Druid query will be executed within the TableScan operator, which will generate the records out of the Druid query results.
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