HIbernate autoincrement not working

Question

If I'm using hibernate Pojo class using annotations as below - as I'm using GenerationType.AUTO

@Id @GeneratedValue(strategy = GenerationType.AUTO) private long id;

Is there any need to add "auto-increment" in database side also for an entity...?

PSR · Accepted Answer · 2013-03-05 09:21:44Z

2

Yes,You need to add in database also

Example:

 SQL>field_name dataType NOT NULL AUTO_INCREMENT,

answered Mar 5, 2013 at 9:21

PSR

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1 Comment

vsharma Over a year ago

Thanx for the quick reply. I mean if i dont want to add auto increment explicitly in Database side then how it can be possible with hibernate in Pojo with annotations..?

ash164 · Accepted Answer · 2017-12-27 07:43:50Z

You can use other generator types for that like table or sequence generators. You will not have to "auto-increment" in the column. But there will be a change in the Pojo class and you will have to create sequence in your DB.

Please refer below link for different types of generator- HIbernate id generators

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