ludlows opened a new pull request, #14072:
URL: https://github.com/apache/iceberg/pull/14072
with the sql :
```sql
-- ddl
create table db.tst (id int, partition int) USING iceberg PARTITIONED BY
(partition)
TBLPROPERTIES ( 'format-version' = '2', 'write.delete.mode' =
'merge-on-read');
--data initialized
insert into db.tst values (1, 1), (2, 1), (3, 2), (2, 2) ;
--position delete
update db.tst set partition=2 where id=1 ;
--check metadata table but broken before this
select * from db.tst.position_deletes ;
```
the metadata table `db.tst.position_deletes` is broken under the function
`checkAndAddPartitionName`,
since the schema is:
```
schema: table {
2147483546: file_path: required string (Path of a file in which a deleted
row is stored)
2147483545: pos: required long (Ordinal position of a deleted row in the
data file)
2147483544: row: optional struct<1: id: optional int, 2: partition:
optional int> (Deleted row values)
2147483642: partition: required struct<3: partition: optional int>
(Partition that position delete row belongs to)
2147483643: spec_id: required int (Spec ID used to track the file
containing a row)
2147483646: delete_file_path: required string (Path of the file in which a
row is stored)
}
```
we can use fieldID to find the true column ID and fix this problem.
related issue:
https://github.com/apache/iceberg/issues/14056
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