TheNeuralBit commented on issue #22854:
URL: https://github.com/apache/beam/issues/22854#issuecomment-1227729109
Ah it looks like this issue may be specifically for an optional, nested row
field, which could very well be a gap in our testing. Like:
```
Row {
foo: INT
bar: OPTIONAL[ROW { baz: STR }]
}
```
Do you know the schema returned by the external transform in this case
@rahuliyer95?
Regardless, this is almost certainly caused by
https://github.com/apache/beam/pull/22679, we could roll that back but we'd
need to do a point release to get it in 2.41.
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