RussellSpitzer commented on code in PR #11419:
URL: https://github.com/apache/iceberg/pull/11419#discussion_r1835050238
##########
core/src/main/java/org/apache/iceberg/schema/UnionByNameVisitor.java:
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@@ -180,6 +179,21 @@ private void updateColumn(Types.NestedField field,
Types.NestedField existingFie
}
}
+ private boolean ignorableUpdate(Type newType, Type existingType) {
+ if (newType.isPrimitiveType()) {
+ if (newType.equals(existingType)) {
+ return true;
+ }
+ if (existingType.typeId() == Type.TypeID.LONG && newType.typeId() ==
Type.TypeID.INTEGER) {
Review Comment:
@huaxingao 's Suggestion I think is also a good one to consider, but let's
do that in a followup because I feel less confident about that one. I think
it's fine though
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