Github user ksakellis commented on a diff in the pull request:
https://github.com/apache/spark/pull/3119#discussion_r21111000
--- Diff: core/src/main/scala/org/apache/spark/io/CompressionCodec.scala ---
@@ -42,27 +43,37 @@ trait CompressionCodec {
def compressedOutputStream(s: OutputStream): OutputStream
def compressedInputStream(s: InputStream): InputStream
-}
+ def isAvailable() : Boolean = true
--- End diff --
oh geez. thanks for the link. it makes sense but yes, not what you would
expect from traits. I'll update the pr.
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