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_r335267938
##########
File path:
sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala
##########
@@ -222,6 +223,13 @@ case class ShowFunctionsCommand(
case (f, "USER") if showUserFunctions => f.unquotedString
case (f, "SYSTEM") if showSystemFunctions => f.unquotedString
}
- functionNames.sorted.map(Row(_))
+ if (showSystemFunctions) {
+ (functionNames ++
+ StringUtils.filterPattern(Seq("!=", "<>", "between", "case"),
pattern.getOrElse("*")))
Review comment:
shall we add comment like
https://github.com/apache/spark/blob/9b8d63e7ce76740eb0fc08fcd2b24849ff7693be/sql/core/src/main/scala/org/apache/spark/sql/execution/command/functions.scala#L117
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