RussellSpitzer commented on code in PR #15634:
URL: https://github.com/apache/iceberg/pull/15634#discussion_r3283983347


##########
core/src/main/java/org/apache/iceberg/V4Metadata.java:
##########
@@ -278,28 +279,35 @@ static Schema wrapFileSchema(Types.StructType fileSchema) 
{
   }
 
   static Types.StructType fileType(Types.StructType partitionType) {
-    return Types.StructType.of(
-        DataFile.CONTENT.asRequired(),
-        DataFile.FILE_PATH,
-        DataFile.FILE_FORMAT,
-        required(
-            DataFile.PARTITION_ID, DataFile.PARTITION_NAME, partitionType, 
DataFile.PARTITION_DOC),
-        DataFile.RECORD_COUNT,
-        DataFile.FILE_SIZE,
-        DataFile.COLUMN_SIZES,
-        DataFile.VALUE_COUNTS,
-        DataFile.NULL_VALUE_COUNTS,
-        DataFile.NAN_VALUE_COUNTS,
-        DataFile.LOWER_BOUNDS,
-        DataFile.UPPER_BOUNDS,
-        DataFile.KEY_METADATA,
-        DataFile.SPLIT_OFFSETS,
-        DataFile.EQUALITY_IDS,
-        DataFile.SORT_ORDER_ID,
-        DataFile.FIRST_ROW_ID,
-        DataFile.REFERENCED_DATA_FILE,
-        DataFile.CONTENT_OFFSET,
-        DataFile.CONTENT_SIZE);
+    List<Types.NestedField> fields = Lists.newArrayList();
+    fields.add(DataFile.CONTENT.asRequired());
+    fields.add(DataFile.FILE_PATH);
+    fields.add(DataFile.FILE_FORMAT);
+    if (!partitionType.fields().isEmpty()) {

Review Comment:
   Not really, It basically would go back to our initial problem. 



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