majian1998 commented on code in PR #13625:
URL: https://github.com/apache/iceberg/pull/13625#discussion_r2329073963
##########
spark/v4.0/spark/src/main/java/org/apache/iceberg/spark/ExtendedParser.java:
##########
@@ -66,5 +66,43 @@ static List<RawOrderField> parseSortOrder(SparkSession
spark, String orderString
}
}
+ static <T> T findParser(ParserInterface parser, Class<T> clazz) {
+ ParserInterface current = parser;
+ while (current != null) {
+ if (clazz.isInstance(current)) {
+ return clazz.cast(current);
+ }
+ Object next = getDelegate(current);
+ if (next == null || next == current) {
+ break;
+ }
+ current = (ParserInterface) next;
+ }
+ return null;
+ }
+
+ static Object getDelegate(Object parser) {
+ try {
+ for (String methodName : new String[] {"delegate", "getDelegate"}) {
Review Comment:
Thanks for the suggestion! I've updated the code to iterate over all fields
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