xicm commented on code in PR #8873:
URL: https://github.com/apache/hudi/pull/8873#discussion_r1213997462
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hudi-hadoop-mr/src/main/java/org/apache/hudi/hadoop/utils/HiveAvroSerializer.java:
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@@ -336,8 +337,12 @@ private Object serializeList(ListTypeInfo typeInfo,
ListObjectInspector fieldOI,
// NOTE: We have to resolve nullable schema, since Avro permits array
elements
// to be null
Schema arrayNestedType = resolveNullableSchema(schema.getElementType());
- Schema elementType = arrayNestedType.getField("element") == null ?
arrayNestedType : arrayNestedType.getField("element").schema();
-
+ Schema elementType;
+ if (listElementObjectInspector.getCategory() ==
ObjectInspector.Category.PRIMITIVE) {
+ elementType = arrayNestedType;
+ } else {
+ elementType = arrayNestedType.getField("element") == null ?
arrayNestedType : arrayNestedType.getField("element").schema();
Review Comment:
Hi @xiarixiaoyao , Can you help explain when the `element` will be available？
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