rdblue commented on pull request #1077:
URL: https://github.com/apache/iceberg/pull/1077#issuecomment-636205153
Looks like there are two problems. First, `findType` throws a
`NullPointerException` if the type isn't found. I think that should check
whether the name was found, like this:
```diff
public Type findType(String name) {
Preconditions.checkArgument(!name.isEmpty(), "Invalid column name:
(empty)");
- return findType(lazyNameToId().get(name));
+ Integer id = lazyNameToId().get(name);
+ if (id != null) {
+ return findType(id);
+ }
+ return null;
}
```
Second, if the file projection is null, it is still dereferenced. So we need
to fix that as well:
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