From 052c104cbc2ccc13d83cd912e3b2bbf12c0d56bc Mon Sep 17 00:00:00 2001
From: 沈斌 <bluelazysb@hotmail.com>
Date: Fri, 27 Oct 2017 16:00:32 +0800
Subject: [PATCH] 批量更新，提升性能
---
src/main/resources/mapper/JobDao.xml | 18 ++++++++++++++++++
1 files changed, 18 insertions(+), 0 deletions(-)
diff --git a/src/main/resources/mapper/JobDao.xml b/src/main/resources/mapper/JobDao.xml
index 9bd84af..a2ff267 100644
--- a/src/main/resources/mapper/JobDao.xml
+++ b/src/main/resources/mapper/JobDao.xml
@@ -23,4 +23,22 @@
UPDATE equipment SET state=#{1} WHERE mac=#{0}
</update>
+ <insert id="batchInsertHistory" parameterType="java.util.List" >
+ <selectKey resultType ="java.lang.Integer" keyProperty="id" order="AFTER">
+ SELECT LAST_INSERT_ID()
+ </selectKey >
+ insert into history
+ (mac, sensor, mac_key, mac_value, time)
+ values
+ <foreach collection="list" item="item" index="index" separator=",">
+ (
+ #{item.mac},
+ #{item.sensor},
+ #{item.mac_key},
+ #{item.mac_value},
+ #{item.time}
+ )
+ </foreach>
+ </insert>
+
</mapper>
\ No newline at end of file
--
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