From e3e9b168cbd9a60858843c622a3859896aefe5fb Mon Sep 17 00:00:00 2001
From: jinpengyong <jpy123456>
Date: Mon, 07 Sep 2020 10:40:00 +0800
Subject: [PATCH] update

---
 src/main/resources/mapper/HistoryMapper.xml |    5 +++++
 1 files changed, 5 insertions(+), 0 deletions(-)

diff --git a/src/main/resources/mapper/HistoryMapper.xml b/src/main/resources/mapper/HistoryMapper.xml
index 05c8a4c..c4ba95d 100644
--- a/src/main/resources/mapper/HistoryMapper.xml
+++ b/src/main/resources/mapper/HistoryMapper.xml
@@ -286,5 +286,10 @@
          and mac=#{mac}
          ORDER BY `time`
     </select>
+    <select id="getJsonData" resultType="java.lang.String">
+        	select `json` from ${table}
+		where  time = #{time} and mac = #{mac}
+    </select>
+
 
 </mapper>
\ No newline at end of file

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