[GitHub] [incubator-gobblin] autumnust commented on a change in pull request #3060: [GOBBLIN-1212] Handle non-Primitive type eligibility-check for shuffle key properly

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

autumnust commented on a change in pull request #3060:
URL: https://github.com/apache/incubator-gobblin/pull/3060#discussion_r455417617



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File path: gobblin-compaction/src/main/java/org/apache/gobblin/compaction/mapreduce/orc/OrcUtils.java
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@@ -491,18 +491,34 @@ public static WritableComparable createValueRecursively(TypeDescription schema)
    */
   public static boolean eligibleForUpConvertHelper(TypeDescription originalSchema, TypeDescription targetSchema) {
     if (!targetSchema.getCategory().isPrimitive()) {
-      if (!originalSchema.getFieldNames().containsAll(targetSchema.getFieldNames())) {
-        return false;
-      }
-      boolean result = true;
+      if (targetSchema.getCategory().equals(TypeDescription.Category.LIST)) {
+        return eligibleForUpConvertHelper(originalSchema.getChildren().get(0), targetSchema.getChildren().get(0));

Review comment:
       Will add a safety-guard. 




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