diff options
| -rw-r--r-- | mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala b/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala index 25e56d70c2..a1d08b3a6e 100644 --- a/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala +++ b/mllib/src/main/scala/org/apache/spark/ml/Pipeline.scala @@ -44,7 +44,10 @@ abstract class PipelineStage extends Params with Logging { /** * :: DeveloperApi :: * - * Derives the output schema from the input schema. + * Check transform validity and derive the output schema from the input schema. + * + * Typical implementation should first conduct verification on schema change and parameter + * validity, including complex parameter interaction checks. */ @DeveloperApi def transformSchema(schema: StructType): StructType |