HyukjinKwon commented on code in PR #50562:
URL: https://github.com/apache/spark/pull/50562#discussion_r2041241468


##########
mllib/src/main/scala/org/apache/spark/ml/source/image/ImageFileFormat.scala:
##########
@@ -49,6 +49,10 @@ private[image] class ImageFileFormat extends FileFormat with 
DataSourceRegister
 
   override def shortName(): String = "image"
 
+  override def hashCode(): Int = getClass.getCanonicalName.hashCode()
+
+  override def equals(other: Any): Boolean = 
other.isInstanceOf[ImageFileFormat]

Review Comment:
   Hm, the options can be different. For example, `dropInvalid` can be 
enabled/disabled, which results in different outputs. Is this safe to assume 
that they are same?



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