From 93fea67c8664cb7c00795d3fd56cb0ec7adaa690 Mon Sep 17 00:00:00 2001
From: Gengliang Wang <ltnwgl@gmail.com>
Date: Tue, 30 Mar 2021 20:59:43 +0800
Subject: [PATCH] remove dead code

---
 .../org/apache/spark/sql/catalyst/expressions/Cast.scala  | 8 +-------
 1 file changed, 1 insertion(+), 7 deletions(-)

diff --git a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
index 9135e6c28430d..3c9be8439b9e2 100644
--- a/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
+++ b/sql/catalyst/src/main/scala/org/apache/spark/sql/catalyst/expressions/Cast.scala
@@ -1955,20 +1955,14 @@ object AnsiCast {
         suggestionOnConversionFunctions(from, to, "function UNIX_DATE")
 
       // scalastyle:off line.size.limit
-      case (_: ArrayType, StringType) =>
-        s"""
-           | cannot cast ${from.catalogString} to ${to.catalogString} with ANSI mode on.
-           | If you have to cast ${from.catalogString} to ${to.catalogString}, you can use the function ARRAY_JOIN or set $fallbackConfKey as $fallbackConfValue.
-           |""".stripMargin
-
       case _ if Cast.canCast(from, to) =>
         s"""
            | cannot cast ${from.catalogString} to ${to.catalogString} with ANSI mode on.
            | If you have to cast ${from.catalogString} to ${to.catalogString}, you can set $fallbackConfKey as $fallbackConfValue.
            |""".stripMargin
+      // scalastyle:on line.size.limit
 
       case _ => s"cannot cast ${from.catalogString} to ${to.catalogString}"
-      // scalastyle:on line.size.limit
     }
 }