[FIXED] JPA annotation DiscriminatorColumn - how to set index

Issue

Is it possible using JPA or even Hibernate to set index of discriminator column ?

Solution

Yes, using the Hibernate Table annotation:

@Table(appliesTo="tableName", 
       indexes = {@Index(name="index1", columnNames={"the_discriminator_column"})})

Answered By - JB Nizet
Answer Checked By - Katrina (JavaFixing Volunteer)