Jpa Generated Value Composite Key
Primary key value generation strategy JPA ( Hibernate ) Generated identifiers are indicated by @javax.persistence.GeneratedValue as discussed above. There are basically 4 strategies to generate values of id fields. These are AUTO, IDENTITY, SEQUENCE and TABLE. Package javax.persistence; /. Defines the types of primary key generation strategies. Primary key value generation strategy JPA ( Hibernate ) Generated identifiers are indicated by @javax.persistence.GeneratedValue as discussed above. There are basically 4 strategies to generate values of id fields. These are AUTO, IDENTITY, SEQUENCE and TABLE. Package javax.persistence; /. Defines the types of primary key generation strategies. Sep 04, 2017 Although not a very common mapping, you can map a composite identifier where one of the Primary Key columns is auto-generated. While for a SEQUENCE identifier, we can use the JPA specification, for IDENTITY, we need to use the Hibernate-specific @SQLInsert annotation. Nevertheless, this mapping is possible when using Hibernate. JPA, Hibernate can I do composite primary key which one element is foreign kay @OneToMany? Tag: hibernate, jpa, foreign-keys, entity, composite-primary-key I would like to have in my entity composite primary key consisting of 2 columns (attributes), and have one of them to be foreign key simultaneously.