lirui-apache opened a new issue, #13294:
URL: https://github.com/apache/iceberg/issues/13294
### Feature Request / Improvement
ExpireSnapshots is NOP when there is no snapshot. But I think it's more
intuitive to clean expired metadata in that case. For example, I would expect
this test to pass
```java
@TestTemplate
public void test() throws Exception {
table.updateSchema().addColumn("extra_col1",
Types.StringType.get()).commit();
table.updateSchema().addColumn("extra_col2",
Types.StringType.get()).commit();
removeSnapshots(table)
.expireOlderThan(System.currentTimeMillis())
.cleanExpiredMetadata(true)
.commit();
assertThat(table.schemas()).hasSize(1);
}
```
### Query engine
None
### Willingness to contribute
- [ ] I can contribute this improvement/feature independently
- [ ] I would be willing to contribute this improvement/feature with
guidance from the Iceberg community
- [ ] I cannot contribute this improvement/feature at this time
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