Tishj opened a new issue, #13453:
URL: https://github.com/apache/iceberg/issues/13453
### Proposed Change
The `/v1/{prefix}/namespaces` endpoint is currently set up in such a way
that it only lists the top-level namespaces, or if `parent` is set, it will
list the namespaces directly under that namespace.
If we want to be sure that we have retrieved all namespaces, we need to
issue a request for *every* namespace that is returned to be sure that they
have no additional nested namespaces.
The idea behind the `recursive=true` parameter is that the server does this
traversal in a single request, reducing round trip times.
This shouldn't be an issue, because the `Namespace` object that is returned
already contains the full list of `items` that make up the full path of the
namespace.
An alternative (but worse) solution, to make sure we don't need to make
`parent=<namespace>` requests for *every* namespace just to verify that there
are no additional namespaces, is to indicate in the `ListNamespacesResponse` or
`Namespace` object that a namespace is nested.
That way the client does not need to make requests that end up in an empty
result.
### Proposal document
_No response_
### Specifications
- [ ] Table
- [ ] View
- [x] REST
- [ ] Puffin
- [ ] Encryption
- [ ] Other
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