RussellSpitzer commented on code in PR #10020:
URL: https://github.com/apache/iceberg/pull/10020#discussion_r1633711249
##########
api/src/main/java/org/apache/iceberg/Schema.java:
##########
@@ -507,4 +538,49 @@ public String toString() {
.map(this::identifierFieldToString)
.collect(Collectors.toList())));
}
+
+ /**
+ * All ids of metadata fields are reassigned.
+ *
+ * @return map of original to reassigned field ids of metadata fields
+ */
+ public Map<Integer, Integer> idsToReassigned() {
+ return idsToReassigned != null ? idsToReassigned : Maps.newHashMap();
Review Comment:
Default should probably be an immutable empty map instead of a new object
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