Comments (3)
take
from arrow-datafusion-comet.
I believe these are purely used for analysis, and end up just becoming named_struct
expressions in the physical plan, so they're probably already supported
from arrow-datafusion-comet.
My understanding is the same as @Kimahriman
that both of these are implemented in terms of UpdateFields
which are replaced in the spark Analyzer by the rule ReplaceUpdateFieldsExpression
https://github.com/apache/spark/blob/v3.5.2/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/optimizer/UpdateFields.scala#L79-L87 and based on https://github.com/apache/spark/blob/v3.5.2/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/complexTypeCreator.scala#L746-L757 it looks like it is replace by CreateNamedStruct
expression and should therefore be supported.
from arrow-datafusion-comet.
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