Tishj opened a new issue, #16596:
URL: https://github.com/apache/iceberg/issues/16596
### Apache Iceberg version
1.11.0 (latest release)
### Query engine
None
### Please describe the bug 🐞
The spec has a very clear table listing behavior for struct defaults, and
makes it clear that a `struct` column can either have `null` as its default
value, or `{}`, the default values for its fields should be decomposed.
But in the Iceberg REST API spec, both `initial-default` and `write-default`
are modeled as a `PrimitiveTypeValue`:
```yaml
initial-default:
$ref: "#/components/schemas/PrimitiveTypeValue"
write-default:
$ref: "#/components/schemas/PrimitiveTypeValue"
```
So I don't think we can currently represent `{}` for an `initial-default` or
`write-default`
### Willingness to contribute
- [ ] I can contribute a fix for this bug independently
- [ ] I would be willing to contribute a fix for this bug with guidance from
the Iceberg community
- [x] I cannot contribute a fix for this bug at this time
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