Gavin King ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *commented* on HHH-15929 ( https://hibernate.atlassian.net/browse/HHH-15929?atlOrigin=eyJpIjoiYWExNT... ) Re: Mapping jsonb of different types in a class inheritance hierarchy does not work. ( https://hibernate.atlassian.net/browse/HHH-15929?atlOrigin=eyJpIjoiYWExNT... ) FTR, here is my test code: In import.sql : INSERT INTO table_test(id, type, property) VALUES('1','A','{"propertyA": "valueA"}'::jsonb) INSERT INTO table_test(id, type, property) VALUES('2','B','{"propertyB": "valueB"}'::jsonb) In Main.java : public class Main { public static void main( String [] args) { var sessionFactory = new Configuration() .addAnnotatedClass(CommonEntity.class) .addAnnotatedClass(EntityA.class) .addAnnotatedClass(EntityB.class) // use Postgres .setProperty(URL, "jdbc:postgresql: //localhost/hreact" ) .setProperty(USER, "hreact" ) .setProperty(PASS, "hreact" ) // display SQL in console .setProperty(SHOW_SQL, TRUE.toString()) .setProperty(FORMAT_SQL, TRUE.toString()) .setProperty(HIGHLIGHT_SQL, TRUE.toString()) .buildSessionFactory(); // export the inferred database schema sessionFactory.getSchemaManager().dropMappedObjects( false ); sessionFactory.getSchemaManager().exportMappedObjects( true ); sessionFactory.inSession(session -> { var ea = session.find(EntityA. class, 1); var eb = session.find(EntityB. class, 2); }); } } Executed SQL: [Hibernate] drop table if exists table_test cascade [Hibernate] create table table_test ( type varchar (31) not null , id bigint not null , property jsonb, primary key (id) ) [INFO] HHH000476: Executing script ' file :/Users/gavin/Downloads/test/untitled/build/resources/main/import. sql ' [Hibernate] INSERT INTO table_test(id, type , property) VALUES ( '1' , ' A ' , '{ "propertyA" : "valueA" }' ::jsonb) [Hibernate] INSERT INTO table_test(id, type , property) VALUES ( '2' , 'B' , '{ "propertyB" : "valueB" }' ::jsonb) [Hibernate] select e1_0.id, e1_0.property from table_test e1_0 where e1_0. type = ' A ' and e1_0.id=? [Hibernate] select e1_0.id, e1_0.property from table_test e1_0 where e1_0. type = 'B' and e1_0.id=? ( https://hibernate.atlassian.net/browse/HHH-15929#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15929#add-comment?atlOrigin=ey... ) Get Jira notifications on your phone! Download the Jira Cloud app for Android ( https://play.google.com/store/apps/details?id=com.atlassian.android.jira.... ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=Em... ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100225- sha1:e4eb869 )