cloud-fan commented on PR #40206:
URL: https://github.com/apache/spark/pull/40206#issuecomment-1447605704
This is a good catch! I think the fix can be simpler: we encode the raw type
information in the root `StructField`, so we don't need to decode it
recursively. We can restore the raw type at the very beginning:
```
def resolveOutputColumns(
...,
expected: Seq[Attribute],
...) {
val actualExpectedCols = expected.map { attr =>
attr.withDataType(restore(attr.metadata))
}
}
```
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