Github user eyalfa commented on the issue:
https://github.com/apache/spark/pull/14444
@cloud-fan, please see this
[https://github.com/apache/spark/blob/1dbb725dbef30bf7633584ce8efdb573f2d92bca/sql/core/src/main/scala/org/apache/spark/sql/functions.scala#L1104-L1115](url),
it seems that there's a strong guarantee that CreateStruct respects aliases
and other types of named columns. furthermore, CreateNamedStruct is missing
from this api/dsl which leaves users with no other viable way to name their
structs attributes.
btw, can you please retest this? thanks.
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