Hibernate saveorupdate not updating

14-Feb-2020 19:03

You need to loop all the ‘stock Daily Records’ and delete it one by one.

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Let’s have an example for more clear understanding. Step 1 : 3 Step 2 : 2 Hibernate: delete from Account where ID=? We learned about mapping associated entities in hibernate already in previous tutorials such as one-to-one mapping and one-to-many mappings. ACC_NO as ACC_NO2_0_, accountent0_.employee_ID as employee3_0_ from Account accountent0_ Step 4 : 2 It’s a very good way of removing the matching/mismatching items from a collection (i.e. You just remove the item from collection and hibernate take care of rest of the things for you.There we wanted to save the mapped entity whenever relationship owner entity got saved. ACC_NO as ACC_NO2_0_1_, accounts0_.employee_ID as employee3_0_1_ from Account accounts0_ where accounts0_.employee_ID=? It will check whether entity is referenced from any place or not; If it is not then it will delete the entity from database itself. If you delete an Employee then all accounts associated with that Employee also be deleted. But what if we only want to cascade only save operations but not delete operation. Then we need to clearly specify it using below code.

Let’s have an example for more clear understanding. Step 1 : 3 Step 2 : 2 Hibernate: delete from Account where ID=? We learned about mapping associated entities in hibernate already in previous tutorials such as one-to-one mapping and one-to-many mappings. ACC_NO as ACC_NO2_0_, accountent0_.employee_ID as employee3_0_ from Account accountent0_ Step 4 : 2 It’s a very good way of removing the matching/mismatching items from a collection (i.e. You just remove the item from collection and hibernate take care of rest of the things for you.There we wanted to save the mapped entity whenever relationship owner entity got saved. ACC_NO as ACC_NO2_0_1_, accounts0_.employee_ID as employee3_0_1_ from Account accounts0_ where accounts0_.employee_ID=? It will check whether entity is referenced from any place or not; If it is not then it will delete the entity from database itself. If you delete an Employee then all accounts associated with that Employee also be deleted. But what if we only want to cascade only save operations but not delete operation. Then we need to clearly specify it using below code. It seems that your trying to do a persist operation instead of a merge for existing entities.