warriersruthi commented on a change in pull request #2689:
URL: https://github.com/apache/hive/pull/2689#discussion_r720270790
##########
File path: ql/src/java/org/apache/hadoop/hive/ql/io/arrow/Serializer.java
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@@ -226,7 +226,7 @@ public ArrowWrapperWritable
serializeBatch(VectorizedRowBatch vectorizedRowBatch
}
private static FieldType toFieldType(TypeInfo typeInfo) {
- return new FieldType(true, toArrowType(typeInfo), null);
+ return new FieldType(false, toArrowType(typeInfo), null);
Review comment:
In the serializer also, we need to write the fields of the struct and
list types as non-nullable.
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