Re: [I] Why is the struct field not null when the data is empty? [iceberg-python]

[via GitHub]

kevinjqliu commented on issue #1255:
URL: 
https://github.com/apache/iceberg-python/issues/1255#issuecomment-2442984949

   In your example, the second row is 
   ```
       {
           "string_field_1": "field_1_b",
       },
   ```
   which corresponds with `string_field_1`
   ```
           pa.field("string_field_1", pa.string(), True),
   ```
   
   and not with `struct_field_1`
   ```
           pa.field(
               "struct_field_1",
               pa.struct(
                   [
                       pa.field("string_nested_1", pa.string()),
                       pa.field("int_item_2", pa.int32()),
                       pa.field("float_item_2", pa.float32()),
                   ]
               ),
           ),
   ```
   
   
   So the Athena result contains `field_1_b` because its written to the 
`string_field_1` column
   


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