zabetak commented on a change in pull request #2816:
URL: https://github.com/apache/hive/pull/2816#discussion_r759284985
##########
File path:
ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDFNullif.java
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@@ -49,6 +50,17 @@ public ObjectInspector initialize(ObjectInspector[]
arguments) throws UDFArgumen
returnOIResolver = new GenericUDFUtils.ReturnObjectInspectorResolver(true);
returnOIResolver.update(arguments[0]);
+ switch (arguments[0].getCategory()) {
+ case LIST:
+ case MAP:
+ case STRUCT:
+ case PRIMITIVE:
+ break;
+ case UNION:
+ default:
+ throw new UDFArgumentTypeException(0, "Unsupported Argument type
category: " + arguments[0].getCategory());
+ }
+
boolean isPrimitive = (arguments[0] instanceof PrimitiveObjectInspector);
if (isPrimitive)
{
Review comment:
OK, my bad was confused with the nesting. Sorry for the confusion
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