Github user wangyum commented on a diff in the pull request: https://github.com/apache/spark/pull/22066#discussion_r209259163 --- Diff: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/hash.scala --- @@ -778,21 +783,22 @@ case class HiveHash(children: Seq[Expression]) extends HashExpression[Int] { input: String, result: String, fields: Array[StructField]): String = { + val tmpInput = ctx.freshName("input") --- End diff -- Does Hive have this issue?
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