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_r335447140
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala
##########
@@ -170,6 +171,11 @@ case class DropFunctionCommand(
override def run(sparkSession: SparkSession): Seq[Row] = {
val catalog = sparkSession.sessionState.catalog
+
+ if
(FunctionsCommand.virtualOperators.contains(functionName.toLowerCase(Locale.ROOT)))
{
+ throw new AnalysisException(s"Cannot drop virtual function
'$functionName'")
Review comment:
ditto, we should make sure the behavior is consistent with other operators.
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