From 1ecc85b575d82655bfa650c9929498ecd6b577ce Mon Sep 17 00:00:00 2001
From: feiniaofeiafei <53502832+feiniaofeiafei@users.noreply.github.com>
Date: Fri, 30 Aug 2024 10:11:29 +0800
Subject: [PATCH] [Fix](ctas) forward the use_max_length_of_varchar_in_ctas
 (#39705) (#40138)

cherry-pick from master #39705
---
 .../src/main/java/org/apache/doris/qe/SessionVariable.java      | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
index 77ce606804..bd6faa1a09 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/qe/SessionVariable.java
@@ -1996,7 +1996,7 @@ public class SessionVariable implements Serializable, Writable {
             checker = "checkExternalAggPartitionBits", fuzzy = true)
     public int externalAggPartitionBits = 5; // means that the hash table will be partitioned into 32 blocks.
 
-    @VariableMgr.VarAttr(name = USE_MAX_LENGTH_OF_VARCHAR_IN_CTAS, description = {
+    @VariableMgr.VarAttr(name = USE_MAX_LENGTH_OF_VARCHAR_IN_CTAS, needForward = true, description = {
             "在CTAS中，如果 CHAR / VARCHAR 列不来自于源表，是否是将这一列的长度设置为 MAX，即65533。默认为 true。",
             "In CTAS (Create Table As Select), if CHAR/VARCHAR columns do not originate from the source table,"
                     + " whether to set the length of such a column to MAX, which is 65533. The default is true."