Github user Lewuathe commented on a diff in the pull request:
https://github.com/apache/spark/pull/9595#discussion_r46245966
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/source/libsvm/LibSVMRelation.scala ---
@@ -99,16 +164,31 @@ private[libsvm] class LibSVMRelation(val path: String,
val numFeatures: Int, val
* @see [[https://www.csie.ntu.edu.tw/~cjlin/libsvmtools/datasets/ LIBSVM
datasets]]
*/
@Since("1.6.0")
-class DefaultSource extends RelationProvider with DataSourceRegister {
+class DefaultSource extends HadoopFsRelationProvider with
DataSourceRegister {
@Since("1.6.0")
override def shortName(): String = "libsvm"
- @Since("1.6.0")
- override def createRelation(sqlContext: SQLContext, parameters:
Map[String, String])
- : BaseRelation = {
- val path = parameters.getOrElse("path",
- throw new IllegalArgumentException("'path' must be specified"))
+ private def verifySchema(dataSchema: StructType): Unit = {
+ if (dataSchema.size != 2 ||
--- End diff --
I'm sorry, it's private. Never mind.
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