[GitHub] [spark] ulysses-you commented on a change in pull request #30400: [SPARK-33469][SQL] Add current_timezone function

[GitBox <gi...@apache.org>]

ulysses-you commented on a change in pull request #30400:
URL: https://github.com/apache/spark/pull/30400#discussion_r525783493



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File path: sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/datetimeExpressions.scala
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@@ -73,6 +73,21 @@ trait TimestampFormatterHelper extends TimeZoneAwareExpression {
   }
 }
 
+@ExpressionDescription(
+  usage = "_FUNC_() - Returns the current timezone.",
+  examples = """
+    Examples:
+      > SELECT _FUNC_();
+       Asia/Shanghai
+  """,
+  group = "datetime_funcs",
+  since = "3.1.0")
+case class CurrentTimeZone() extends LeafExpression with Unevaluable {

Review comment:
       thanks for the remind, get it.




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