ec29f2034a
Also alias the ExtractValue instead of wrapping it with UnresolvedAlias when resolve attribute in LogicalPlan, as this alias will be trimmed if it's unnecessary. Based on #7957 without the changes to mllib, but instead maintaining earlier behavior when using `withColumn` on expressions that already have metadata. Author: Wenchen Fan <cloud0fan@outlook.com> Author: Michael Armbrust <michael@databricks.com> Closes #8215 from marmbrus/pr/7957. |
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java/org/apache/spark/sql | ||
scala/org/apache/spark/sql |