Github user mgaido91 commented on a diff in the pull request: https://github.com/apache/spark/pull/22603#discussion_r221876275 --- Diff: sql/core/src/main/scala/org/apache/spark/sql/execution/datasources/InMemoryFileIndex.scala --- @@ -315,7 +315,12 @@ object InMemoryFileIndex extends Logging { // which is very slow on some file system (RawLocalFileSystem, which is launch a // subprocess and parse the stdout). try { - val locations = fs.getFileBlockLocations(f, 0, f.getLen) + val locations = fs.getFileBlockLocations(f, 0, f.getLen).map( + loc => if (loc.getClass == classOf[BlockLocation]) { --- End diff -- `lo.isInstanceOf[BlockLocation]`? Or even better, what about using pattern matching?
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