[GitHub] [drill] arina-ielchiieva commented on a change in pull request #1855: DRILL-7252: Read Hive map using Dict vector

[GitBox <gi...@apache.org>]

arina-ielchiieva commented on a change in pull request #1855: DRILL-7252: Read Hive map using Dict<K,V> vector
URL: https://github.com/apache/drill/pull/1855#discussion_r324529718
 
 

 ##########
 File path: contrib/storage-hive/core/src/main/java/org/apache/drill/exec/store/hive/writers/complex/HiveListWriter.java
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 @@ -38,8 +40,12 @@ public HiveListWriter(ListObjectInspector listInspector, BaseWriter.ListWriter l
 
   @Override
   public void write(Object value) {
+    List<?> list = listInspector.getList(value);
+    if (list == null) {
+      throw new UnsupportedOperationException("Null array is not supported for Hive!");
 
 Review comment:
   ```suggestion
         throw new UnsupportedOperationException("Null array is not supported in Hive.");
   ```

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