Github user peter-toth commented on a diff in the pull request:
https://github.com/apache/spark/pull/22603#discussion_r221890344
--- 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 --
Thanks @mgaido91, but loc is always an instance of `BlockLocation` (might
be a subclass such as `HdfsBlockLocation`) so isInstanceOf[BlockLocation] or
pattern matching would return always true.
I want to test that the class of loc is exactly `BlockLocation` and if it
is we don't need to convert it.
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