liyafan82 commented on a change in pull request #7290:
URL: https://github.com/apache/arrow/pull/7290#discussion_r439325184
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File path: java/vector/src/main/codegen/templates/DenseUnionVector.java
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@@ -104,6 +105,7 @@
* The index is the type id, and the value is the type field.
*/
private Field[] typeFields = new Field[Byte.MAX_VALUE + 1];
+ private byte[] typeMapFields = new byte[Byte.MAX_VALUE + 1];
Review comment:
Could you please write some comments about the indices & values of the
array?
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