cloud-fan commented on a change in pull request #26053: [SPARK-29379][SQL]SHOW
FUNCTIONS show '!=', '<>' , 'between', 'case'
URL: https://github.com/apache/spark/pull/26053#discussion_r335475168
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File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala
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@@ -170,6 +171,7 @@ case class DropFunctionCommand(
override def run(sparkSession: SparkSession): Seq[Row] = {
val catalog = sparkSession.sessionState.catalog
+
Review comment:
Have you tried `drop function '='`? Does Spark fail with "function not
found" or "Cannot drop native function"?
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