eye-gu commented on code in PR #14612:
URL: 
https://github.com/apache/dolphinscheduler/pull/14612#discussion_r1280055679


##########
dolphinscheduler-bom/pom.xml:
##########
@@ -56,7 +56,7 @@
         <hadoop.version>3.2.4</hadoop.version>
         <cron-utils.version>9.1.6</cron-utils.version>
         <h2.version>2.2.220</h2.version>
-        <mysql-connector.version>8.0.16</mysql-connector.version>
+        <mysql-connector.version>8.0.33</mysql-connector.version>

Review Comment:
   This bug is caused by both the MySQL driver and mybatisplus. The driver 
returned 0 when the database field was null, and mybatisplus did not correctly 
use `wasnull` to determine. You can refer to this link specifically: 
https://github.com/baomidou/mybatis-plus/issues/5266



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