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Even arguments to NAMED_STRUCT must be a constant STRING.org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaStringObjectInspector@798a6e99
org.apache.hadoop.hive.ql.exec.UDFArgumentTypeException: Even arguments to NAMED_STRUCT must be a constant STRING.org.apache.hadoop.hive.serde2.objectinspector.primitive.JavaStringObjectInspector@798a6e99	at org.apache.hadoop.hive.ql.udf.generic.GenericUDFNamedStruct.initialize(GenericUDFNamedStruct.java:55)	at org.apache.spark.sql.hive.HiveGenericUdf.returnInspector$lzycompute(hiveUdfs.scala:157)	at org.apache.spark.sql.hive.HiveGenericUdf.returnInspector(hiveUdfs.scala:157)	at org.apache.spark.sql.hive.HiveGenericUdf.dataType$lzycompute(hiveUdfs.scala:173)	at org.apache.spark.sql.hive.HiveGenericUdf.dataType(hiveUdfs.scala:173)	at org.apache.spark.sql.catalyst.expressions.Alias.toAttribute(namedExpressions.scala:104)	at org.apache.spark.sql.catalyst.plans.logical.Project$$anonfun$output$1.apply(basicOperators.scala:25)	at org.apache.spark.sql.catalyst.plans.logical.Project$$anonfun$output$1.apply(basicOperators.scala:25)