Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) *updated* an issue Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMTBlYTEzYjQ4... ) / Improvement ( https://hibernate.atlassian.net/browse/HHH-15560?atlOrigin=eyJpIjoiMTBlYT... ) HHH-15560 ( https://hibernate.atlassian.net/browse/HHH-15560?atlOrigin=eyJpIjoiMTBlYT... ) Querying Parametrized Embeddable Subclass not supported ( https://hibernate.atlassian.net/browse/HHH-15560?atlOrigin=eyJpIjoiMTBlYT... ) Change By: Andrea Boriero ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%... ) Given the model {code:java}@MappedSuperclass public static class Edition<T> { private String editorName; @Column(name = "CODE_COLUMN") private T code; public Edition() { } public Edition(String editorName, T code) { this.editorName = editorName; this.code = code; } } @Embeddable public static class RareEdition extends Edition<Integer> { private String state; public RareEdition() { } public RareEdition(String editorName, Integer code, String state) { super( editorName, code ); this.state = state; } } @Embeddable public static class PopularEdition extends Edition<String> { @Column(name = "YEAR_COLUMN") private Integer year; public PopularEdition() { } public PopularEdition(String editorName, String code, Integer year) { super( editorName, code ); this.year = year; } } @Entity(name = "Base") @Inheritance(strategy = InheritanceType.TABLE_PER_CLASS) public static class Base { @Id private Long id; public Base() { } public Base(Long id) { this.id = id; } } @MappedSuperclass public static abstract class Book<T extends Edition> extends Base { @Embedded private T edition; public Book() { } public Book(Long id, T edition) { super( id ); this.edition = edition; } } @Entity(name = "PopularBook") public static class PopularBook extends Book<PopularEdition> { public PopularBook() { } public PopularBook(Long id, PopularEdition edition) { super( id, edition ); } } @Entity(name = "RareBook") public static class RareBook extends Book<RareEdition> { public RareBook() { } public RareBook(Long id, RareEdition edition) { super( id, edition ); } }{code} the following test fails {code:java}@Test @FailureExpected(jiraKey = "", reason = "Parametrized Embedded Subclasses not supported") public void testSelectSpecificEmbeddedAttribute(SessionFactoryScope scope) { scope.inTransaction( session -> { List<String> rareBookCodes = session.createQuery( "select b.edition.state from RareBook b where b.id = :id", String.class ).setParameter( "id", RARE_BOOK_ID ).list(); assertThat( rareBookCodes.size() ).isEqualTo( 1 ); String code = rareBookCodes.get( 0 ); assertThat( code ).isEqualTo( RARE_BOOK_STATE ); } ); scope.inTransaction( session -> { List<Integer> populareBookCodes = session.createQuery( "select b.edition.year from PopularBook b where b.id = :id", Integer.class ).setParameter( "id", POPULAR_BOOK_ID ).list(); assertThat( populareBookCodes.size() ).isEqualTo( 1 ); Integer code = populareBookCodes.get( 0 ); assertThat( code ).isEqualTo( POPULAR_BOOK_YEAR ); } ); } {code} [Test case|https://github.com/hibernate/hibernate-orm/pull/5358] ( https://hibernate.atlassian.net/browse/HHH-15560#add-comment?atlOrigin=ey... ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-15560#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#100207- sha1:ee9e30a )