Github user mengxr commented on a diff in the pull request:
https://github.com/apache/spark/pull/5820#discussion_r29567807
--- Diff: mllib/src/main/scala/org/apache/spark/ml/recommendation/ALS.scala
---
@@ -152,19 +152,17 @@ private[recommendation] trait ALSParams extends
Params with HasMaxIter with HasR
/**
* Validates and transforms the input schema.
* @param schema input schema
- * @param paramMap extra params
* @return output schema
*/
- protected def validateAndTransformSchema(schema: StructType, paramMap:
ParamMap): StructType = {
- val map = extractParamMap(paramMap)
- assert(schema(map(userCol)).dataType == IntegerType)
--- End diff --
yes
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