From e33c23bd076dd724b4807059cd4db6d459f5446a Mon Sep 17 00:00:00 2001
From: tmysql <531907001@qq.com>
Date: Wed, 6 Apr 2022 23:21:39 +0800
Subject: [PATCH] =?UTF-8?q?alter=20table=20=E4=BF=AE=E6=94=B9=E5=AD=97?=
 =?UTF-8?q?=E7=AC=A6=E9=9B=86=E7=94=A8convert=20to=20(#295)?=
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convert to匹配模式优化，允许两个单词中间有多个空格
---
 advisor/heuristic.go | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/advisor/heuristic.go b/advisor/heuristic.go
index 1d57a0f..d914427 100644
--- a/advisor/heuristic.go
+++ b/advisor/heuristic.go
@@ -2793,7 +2793,7 @@ func (q *Query4Audit) RuleAlterCharset() Rule {
 							if option.Tp == tidb.TableOptionCharset ||
 								option.Tp == tidb.TableOptionCollate {
 								//增加CONVERT TO的判断
-								convertReg, _ := regexp.Compile("convert to")
+								convertReg, _ := regexp.Compile("convert\\b\\s+to")
 								if convertReg.Match([]byte(strings.ToLower(q.Query))) {
 									break
 								} else {
-- 
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