【优化】报表统计SQL优化，修复小概率情况下查询null值问题；

doc/XXL-JOB官方文档.md

@@ -2574,7 +2574,8 @@ public void execute() {
 ### 7.41 版本 v3.2.1 Release Notes[规划中]
 - 1、【升级】升级多项maven依赖至较新版本，如 netty、groovy、spring、spring-ai、dify 等；
 - 2、【修复】合并PR-2369，修复脚本任务参数取值问题；
-- 3、【ING】底层组件移除单例写法，汇总factory统一管理；
+- 3、【优化】报表统计SQL优化，修复小概率情况下查询null值问题；
+- 4、【ING】底层组件移除单例写法，汇总factory统一管理；
 
 
 ### TODO LIST

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

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