public IndexCollection getTableIndex(String tableName, String storageName, Collection<DrillIndexDefinition> indexDefs ) { Set<DrillIndexDescriptor> idxSet = new HashSet<>(); for (DrillIndexDefinition def : indexDefs) { DrillIndexDescriptor indexDescriptor = new DrillIndexDescriptor(def); materializeIndex(storageName, indexDescriptor); } return new DrillIndexCollection(getOriginalScanRel(), idxSet); }