case classH2OFrameRelation[T <: Frame](h2oFrame: T, copyMetadata: Boolean)(sqlContext: SQLContext) extends BaseRelation with TableScan with PrunedScan with Product with Serializable
case classH2ORESTFrameRelation(frame: H2OFrame, copyMetadata: Boolean)(sqlContext: SQLContext) extends BaseRelation with TableScan with PrunedScan with Product with Serializable