zhongyujiang commented on code in PR #4535:
URL: https://github.com/apache/iceberg/pull/4535#discussion_r854833956
##########
core/src/main/java/org/apache/iceberg/SchemaUpdate.java:
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@@ -438,13 +438,18 @@ private static Schema applyChanges(Schema schema,
List<Integer> deletes,
Multimap<Integer, Types.NestedField> adds,
Multimap<Integer, Move> moves,
Set<String> identifierFieldNames) {
- // validate existing identifier fields are not deleted
+ Map<Integer, Integer> idToParent =
TypeUtil.indexParents(schema.asStruct());
+
for (String name : identifierFieldNames) {
Types.NestedField field = schema.findField(name);
if (field != null) {
- Preconditions.checkArgument(!deletes.contains(field.fieldId()),
- "Cannot delete identifier field %s. To force deletion, " +
- "also call setIdentifierFields to update identifier fields.",
field);
+ Integer idNotToDelete = field.fieldId();
Review Comment:
Will update.
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