From 8a64c58bfc8d38dc5610a4bd90f0fd8122c01fa1 Mon Sep 17 00:00:00 2001
From: zhexuany <yangzhexuan@pingcap.com>
Date: Wed, 25 Apr 2018 11:04:38 +0800
Subject: [PATCH] address reviewer's comment

---
 executor/show.go | 11 ++---------
 1 file changed, 2 insertions(+), 9 deletions(-)

diff --git a/executor/show.go b/executor/show.go
index b90989a374074..4913dffc320fd 100644
--- a/executor/show.go
+++ b/executor/show.go
@@ -632,15 +632,8 @@ func (e *ShowExec) fetchShowCreateTable() error {
 		}
 		for i, def := range partitionInfo.Definitions {
 			lessThans := ""
-			multipleLt := false
-			for j, lessThan := range def.LessThan {
-				if j > 0 {
-					lessThans = lessThans + "," + lessThan
-					multipleLt = true
-				} else {
-					lessThans = lessThan
-				}
-			}
+			lessThans = strings.Join(def.LessThan, ",")
+			multipleLt := len(def.LessThan) > 1
 
 			var parDef string
 			if multipleLt {