From eadb1bbda594b88219834425603a78b59f8b170c Mon Sep 17 00:00:00 2001
From: xuxueli <931591021@qq.com>
Date: Sat, 8 Jun 2019 11:31:08 +0800
Subject: [PATCH] optimize

---
 doc/db/tables_xxl_job.sql | 3 ++-
 1 file changed, 2 insertions(+), 1 deletion(-)

diff --git a/doc/db/tables_xxl_job.sql b/doc/db/tables_xxl_job.sql
index 17e4f18a..85e8500f 100644
--- a/doc/db/tables_xxl_job.sql
+++ b/doc/db/tables_xxl_job.sql
@@ -68,7 +68,8 @@ CREATE TABLE `xxl_job_registry` (
   `registry_value` varchar(255) NOT NULL,
   `update_time` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP,
   PRIMARY KEY (`id`),
-  KEY `i_g_k_v` (`registry_group`,`registry_key`,`registry_value`)
+  KEY `i_g_k_v` (`registry_group`,`registry_key`,`registry_value`),
+  KEY `i_u` (`update_time`)
 ) ENGINE=InnoDB DEFAULT CHARSET=utf8;
 
 CREATE TABLE `xxl_job_group` (