Github user eyalfa commented on the issue:
https://github.com/apache/spark/pull/14444
@cloud-fan, @hvanhovell ,
do you have an idea for solving the failing test?
two possibilities I can think about:
1. CreateStruct.apply should have a special case for Star expression,
basically treating them as unnamed columns, leaving the star in place relying
on
org.apache.spark.sql.catalyst.analysis.Analyzer.ResolveReferences#expandStarExpression
to resolve it.
2. return of CreateStruct as first class citizen in spark-sql, this also
means return of the Analyzer rule that transforms it and handling some of the
issues we had with the ExpressionEncoder.
I vote for #1, what do you say?
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