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-rw-r--r--mllib/src/main/scala/org/apache/spark/ml/feature/CountVectorizer.scala1
1 files changed, 1 insertions, 0 deletions
diff --git a/mllib/src/main/scala/org/apache/spark/ml/feature/CountVectorizer.scala b/mllib/src/main/scala/org/apache/spark/ml/feature/CountVectorizer.scala
index 10dcda2382..d5cb05f29b 100644
--- a/mllib/src/main/scala/org/apache/spark/ml/feature/CountVectorizer.scala
+++ b/mllib/src/main/scala/org/apache/spark/ml/feature/CountVectorizer.scala
@@ -210,6 +210,7 @@ class CountVectorizerModel(override val uid: String, val vocabulary: Array[Strin
private var broadcastDict: Option[Broadcast[Map[String, Int]]] = None
override def transform(dataset: DataFrame): DataFrame = {
+ transformSchema(dataset.schema, logging = true)
if (broadcastDict.isEmpty) {
val dict = vocabulary.zipWithIndex.toMap
broadcastDict = Some(dataset.sqlContext.sparkContext.broadcast(dict))