Github user mateiz commented on a diff in the pull request:
https://github.com/apache/spark/pull/1393#discussion_r14973237
--- Diff:
mllib/src/main/scala/org/apache/spark/mllib/recommendation/ALS.scala ---
@@ -53,15 +53,15 @@ private[recommendation] case class
OutLinkBlock(elementIds: Array[Int], shouldSe
* we get product block b's message to update the corresponding users.
*/
private[recommendation] case class InLinkBlock(
- elementIds: Array[Int], ratingsForBlock: Array[Array[(Array[Int],
Array[Double])]])
+ elementIds: Array[Long], ratingsForBlock: Array[Array[(Array[Int],
Array[Double])]])
/**
* :: Experimental ::
- * A more compact class to represent a rating than Tuple3[Int, Int,
Double].
+ * A more compact class to represent a rating than Tuple3[Long, Long,
Double].
*/
@Experimental
-case class Rating(user: Int, product: Int, rating: Double)
+case class Rating(user: Long, product: Long, rating: Double)
--- End diff --
Actually this is kind of tricky, we probably need a separate LongRating of
some kind. This is because "user" and "product" and such are public fields and
they used to be Int.
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