Merge pull request #3518 from zhupengcheng/master

跨数据库支持。列的别名通常不区分大小写，用双引号或反引号引起来才能保证别名大小写不被修改。

xxl-job-admin/src/main/resources/mybatis-mapper/XxlJobLogMapper.xml

@@ -178,9 +178,9 @@
 
     <select id="findLogReport" resultType="java.util.Map" >
 		SELECT
-			COUNT(handle_code) triggerDayCount,
+			COUNT(handle_code) "triggerDayCount",
-			SUM(CASE WHEN (trigger_code in (0, 200) and handle_code = 0) then 1 else 0 end) as triggerDayCountRunning,
+			SUM(CASE WHEN (trigger_code in (0, 200) and handle_code = 0) then 1 else 0 end) as "triggerDayCountRunning",
-			SUM(CASE WHEN handle_code = 200 then 1 else 0 end) as triggerDayCountSuc
+			SUM(CASE WHEN handle_code = 200 then 1 else 0 end) as "triggerDayCountSuc"
 		FROM xxl_job_log
 		WHERE trigger_time BETWEEN #{from} and #{to}
     </select>