From 79b6a856dc445f33a94f751076ec9cde2166757f Mon Sep 17 00:00:00 2001
From: xufenglei <xufenglei>
Date: Thu, 20 Sep 2018 10:56:16 +0800
Subject: [PATCH] 更新 优化

---
 src/main/resources/mapper/HistoryMapper.xml |    2 +-
 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/src/main/resources/mapper/HistoryMapper.xml b/src/main/resources/mapper/HistoryMapper.xml
index 5314b67..6c9f8c5 100644
--- a/src/main/resources/mapper/HistoryMapper.xml
+++ b/src/main/resources/mapper/HistoryMapper.xml
@@ -143,7 +143,7 @@
 	<select id="getActualDataByRegion" resultType="java.util.Map">
 		SELECT
 		<foreach collection="sensorKeys" separator="," item="sensorKey">
-			MAX( CONVERT ( `value` -> '$.${sensorKey}', DECIMAL ) ) AS '${sensorKey}' 
+			MAX( `value` ->> '$.${sensorKey}' ) AS '${sensorKey}' 
 		</foreach>
 		FROM
 			history h ,

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