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Posted by / 15-Sep-2020 18:40

Saveorupdate is not updating

If we use this without transaction and we have cascading between entities, then only the primary entity gets saved unless we flush the session.

For our testing purposes we have two entity beans – package com.journaldev.hibernate.model; import javax.persistence.

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With transaction employee object is tracked for any changes, thats why in last call there is no update in Employee table even though the value was changed in between, final value remains same. Transaction; import com.journaldev.hibernate.model.

After committing save Or Update transaction ***** Notice that without transaction, only Employee gets saved and address information is lost. Hibernate Util; public class Hibernate Update Example Hibernate: select employee0_.emp_id as emp_id1_1_0_, employee0_.emp_name as emp_name2_1_0_, employee0_.emp_salary as emp_sala3_1_0_, address1_.emp_id as emp_id1_0_1_, address1_.address_line1 as address_2_0_1_, address1_as city3_0_1_, address1_.zipcode as zipcode4_0_1_ from EMPLOYEE employee0_ left outer join ADDRESS address1_ on employee0_.emp_id=address1_.emp_id where employee0_.emp_id=?

FIELD) public class Address package com.journaldev.hibernate.main; import org.hibernate.

Generic Generator; import org.hibernate.annotations. Parameter; @Entity @Table(name = "ADDRESS") @Access(value=Access Type. Transaction; import com.journaldev.hibernate.model.

If the object properties are changed before the transaction is committed or session is flushed, it will also be saved into database. Employee persist called with transaction, id=158, address id=158 Hibernate: insert into ADDRESS (address_line1, city, zipcode, emp_id) values (? package com.journaldev.hibernate.main; import org.hibernate.

***** Notice that first employee object is inserted, then at the time of transaction commit, update query is executed to update the name value. Hibernate save Or Update results into insert or update queries based on the provided data. Id=166 Hibernate: insert into ADDRESS (address_line1, city, zipcode, emp_id) values (?

After committing save Or Update transaction ***** 11. Id=166 Hibernate: update ADDRESS set address_line1=?

After committing save transaction ***** Hibernate persist is similar to save (with transaction) and it adds the entity object to the persistent context, so any further changes are tracked. Any further changes are saved at the time of committing transaction, like persist.

Hibernate save Or Update adds the entity object to persistent context and track any further changes. Transaction; import com.journaldev.hibernate.model.

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Let’s look at hibernate persist with a simple program.

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