Hibernate has both object properties and character attributes configured for the same field in the database

The following two mappings are made to the KPI ID in the database in Hibenrnate

<property name= "kpiid" type= "Java.lang.Integer" insert= "false" update= "false";
             <column name= "kpi_id";
                 <comment>kpi Id</comment>
             </column>
         </property>
        <many-to-one name= "KPI" class= " Com.ibm.appMonitor.pojo.TKpi "lazy=" false " ;
             <column name= "kpi_id";
                 <comment>kpi_id</comment>
             </column>
        </many-to-one>

where "Kpiid" indicates insert = ' false ' update = ' false '

So be careful when saving and updating KPIs instead of KPIID

Important: If you are using SQL queries instead of HQL queries, be aware of the first new KPI object when encapsulating objects

Then assign a value to the query object. Otherwise, when you save the update to the database, you will find that kpi_id becomes a null value.

Hibernate has both object properties and character attributes configured for the same field in the database