THIS IS A TEST INSTANCE. ALL YOUR CHANGES WILL BE LOST!!!!

Apache Kylin : Analytical Data Warehouse for Big Data

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titleQuery Engine Diagram


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' Schema/Connection Related


class QueryConnection {

    Connection getConnection(String project);

}






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' Storage Related Code


interface IStorageQuery {

    ITupleIterator search(StorageContext context, SQLDigest sqlDigest, TupleInfo returnTupleInfo);

}



interface ITupleIterator  << Iterator<ITuple> >> {

}



abstract class GTCubeStorageQueryBase implements IStorageQuery {


}






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' Calcite Related Code



class OLAPEnumerator  << Enumerator<Object[]> >> {


}

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