From 7a52cd14e12e5b1053a26ed5a4799da7a09d4b16 Mon Sep 17 00:00:00 2001
From: fengxiang <110431245@qq.com>
Date: Tue, 24 Jul 2018 11:51:09 +0800
Subject: [PATCH] Merge remote-tracking branch 'origin/master'

---
 src/main/resources/mapper/HistoryMapper.xml |   13 +++++++++++++
 1 files changed, 13 insertions(+), 0 deletions(-)

diff --git a/src/main/resources/mapper/HistoryMapper.xml b/src/main/resources/mapper/HistoryMapper.xml
index e19db1a..bef36f5 100644
--- a/src/main/resources/mapper/HistoryMapper.xml
+++ b/src/main/resources/mapper/HistoryMapper.xml
@@ -115,4 +115,17 @@
 			AND mp.${regionType}_code = #{regionCode}
 			AND dis.`year` = #{year}
 	</select>
+	
+	<select id="getValueByMacAndSize" resultType="java.util.Map">
+		SELECT 
+			value,
+			time
+		FROM
+			history 
+		WHERE
+			mac = #{mac} 
+		ORDER BY
+			time DESC 
+		LIMIT #{size}
+	</select>
 </mapper>
\ No newline at end of file

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