Github user MaxGekk commented on the issue:
https://github.com/apache/spark/pull/22938
I guess the problem belongs to `FailureSafeParser`, in particular
https://github.com/apache/spark/blob/57eddc7182ece0030f6d0cc02339c0b8d8c0be5c/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/util/FailureSafeParser.scala#L36
. `FailureSafeParser` was created to safety parse structs not arrays and maps.
I think need to properly prepare `nullResult` for arrays and maps. I will look
at it. Thank you @attilapiros for the example.
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