code: public static DruidQueryRel fullScan(
        final LogicalTableScan scanRel,
        final RelOptTable table,
        final DruidTable druidTable,
        final QueryMaker queryMaker
    )
    {
      return new DruidQueryRel(
          scanRel.getCluster(),
          scanRel.getCluster().traitSetOf(Convention.NONE),
          table,
          druidTable,
          queryMaker,
          PartialDruidQuery.create(scanRel)
      );
    }
docs: Create a DruidQueryRel representing a full scan.