Github user srowen commented on a diff in the pull request:
https://github.com/apache/spark/pull/18288#discussion_r122409305
--- Diff:
mllib/src/main/scala/org/apache/spark/ml/source/libsvm/LibSVMRelation.scala ---
@@ -91,12 +91,10 @@ private[libsvm] class LibSVMFileFormat extends
TextBasedFileFormat with DataSour
val numFeatures: Int = libSVMOptions.numFeatures.getOrElse {
// Infers number of features if the user doesn't specify (a valid)
one.
val dataFiles = files.filterNot(_.getPath.getName startsWith "_")
- val path = if (dataFiles.length == 1) {
- dataFiles.head.getPath.toUri.toString
- } else if (dataFiles.isEmpty) {
+ val path = if (dataFiles.isEmpty) {
throw new IOException("No input path specified for libsvm data")
} else {
- throw new IOException("Multiple input paths are not supported for
libsvm data.")
+ dataFiles.map(_.getPath).mkString(",")
--- End diff --
This changes the logic slightly, because you no longer call `toUri`. Let's
keep the behavior
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