ludlows commented on code in PR #14072:
URL: https://github.com/apache/iceberg/pull/14072#discussion_r2348870768


##########
api/src/main/java/org/apache/iceberg/PartitionSpec.java:
##########
@@ -400,6 +400,12 @@ Builder checkConflicts(boolean check) {
     private void checkAndAddPartitionName(String name, Integer sourceColumnId) 
{
       Types.NestedField schemaField =
           this.caseSensitive ? schema.findField(name) : 
schema.caseInsensitiveFindField(name);
+      // corner case: extra partition column in metadata table and whose field 
id is extremely large
+      if (null != schemaField
+          && schemaField.name().equals("partition")
+          && schemaField.fieldId() > 2000) {

Review Comment:
   @huaxingao   thanks for the comment. it seems the problem caused by the 
special column name `partition`, so I have to hard-code the `partition` here. 
here I double the start id of partition ( `1000`) and set it  to 2000. let me 
find another way without hard-coding the threshold value.   



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