What is the rationale for not allowing the same column in a GroupedData to be
aggregated more than once using agg, especially when the method signature
def agg(aggExpr: (String, String), aggExprs: (String, String)*) allows
passing something like agg("x" -> "sum", "x" =>"avg")?-- View this message in context: http://apache-spark-user-list.1001560.n3.nabble.com/Aggregating-the-same-column-multiple-times-tp23596.html Sent from the Apache Spark User List mailing list archive at Nabble.com.
