presto-raptor-legacy/src/main/java/io/prestosql/plugin/raptor/legacy/metadata/DatabaseShardManager.java/DatabaseShardManager/getBucketNodes
class DatabaseShardManager:    @Override
    public List<BucketNode> getBucketNodes(long distibutionId)
    {
        return dao.getBucketNodes(distibutionId);
    }