From e62f6f6bab2ba7eb0c8244a0d4e530dc2adb178a Mon Sep 17 00:00:00 2001
From: "zhongjian.xzj" <zhongjian.xzj@zhongjianxzjdeMacBook-Pro.local>
Date: Mon, 23 Sep 2024 16:59:29 +0800
Subject: [PATCH] [opt](nereids) refine expression estimation

---
 .../java/org/apache/doris/nereids/types/StringType.java    | 7 +------
 1 file changed, 1 insertion(+), 6 deletions(-)

diff --git a/fe/fe-core/src/main/java/org/apache/doris/nereids/types/StringType.java b/fe/fe-core/src/main/java/org/apache/doris/nereids/types/StringType.java
index e9e055f5acf360..8e92f83274e2f5 100644
--- a/fe/fe-core/src/main/java/org/apache/doris/nereids/types/StringType.java
+++ b/fe/fe-core/src/main/java/org/apache/doris/nereids/types/StringType.java
@@ -28,12 +28,7 @@ public class StringType extends CharacterType {
     public static final StringType INSTANCE = new StringType();
 
     private StringType() {
-        super(CharacterType.DEFAULT_WIDTH);
-    }
-
-    @Override
-    public int width() {
-        return len;
+        super(-1);
     }
 
     @Override