Github user myui commented on a diff in the pull request:
https://github.com/apache/incubator-hivemall/pull/87#discussion_r126605795
--- Diff: core/src/main/java/hivemall/GeneralLearnerBaseUDTF.java ---
@@ -220,6 +235,23 @@ protected PrimitiveObjectInspector
processFeaturesOI(@Nonnull ObjectInspector ar
this.featureListOI = (ListObjectInspector) arg;
ObjectInspector featureRawOI =
featureListOI.getListElementObjectInspector();
HiveUtils.validateFeatureOI(featureRawOI);
+ if (featureRawOI instanceof JavaStringObjectInspector) {
--- End diff --
We need to consider other possibilities for StringObjectInspector.
https://gyazo.com/4c7c3efb22f441db09f614457235b5c0
I'll handle this issue.
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