srowen commented on issue #24199: [SPARK-27265][SQL] - convenience methods for accessing values by column name URL: https://github.com/apache/spark/pull/24199#issuecomment-476326041 Heh is this code from our Spark book? I think the underlying column there really is a String, right? you can't access it as a Double. You're doing the right thing, to then parse it as double.
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