manuzhang commented on code in PR #12202:
URL: https://github.com/apache/iceberg/pull/12202#discussion_r1948330892
##########
core/src/main/java/org/apache/iceberg/SchemaUpdate.java:
##########
@@ -240,7 +240,10 @@ public UpdateSchema makeColumnOptional(String name) {
}
private void internalUpdateColumnRequirement(String name, boolean
isOptional) {
- Types.NestedField field = findField(name);
+ Types.NestedField field = findFieldFromUpdate(name);
+ if (field == null) {
Review Comment:
this would be better handled in `findFieldFromUpdate`.
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