[hibernate-issues] [JIRA] (HHH-14017) Adding PK proxy using field access to non-pk mapped collection results in NULL constraint violation

[Christian Beikov (JIRA)]

Christian Beikov ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A0222998d-a0c8-4789-91ec-6a92d10dfb9a ) *updated* an issue

Hibernate ORM ( https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiMzI0NTFjYjg4ZTQyNGU4Mzg4YjNmZjhmNjRhN2Y0MTYiLCJwIjoiaiJ9 ) / Bug ( https://hibernate.atlassian.net/browse/HHH-14017?atlOrigin=eyJpIjoiMzI0NTFjYjg4ZTQyNGU4Mzg4YjNmZjhmNjRhN2Y0MTYiLCJwIjoiaiJ9 ) HHH-14017 ( https://hibernate.atlassian.net/browse/HHH-14017?atlOrigin=eyJpIjoiMzI0NTFjYjg4ZTQyNGU4Mzg4YjNmZjhmNjRhN2Y0MTYiLCJwIjoiaiJ9 ) Adding PK proxy using field access to non-pk mapped collection results in NULL constraint violation ( https://hibernate.atlassian.net/browse/HHH-14017?atlOrigin=eyJpIjoiMzI0NTFjYjg4ZTQyNGU4Mzg4YjNmZjhmNjRhN2Y0MTYiLCJwIjoiaiJ9 )

Change By: Christian Beikov ( https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3A0222998d-a0c8-4789-91ec-6a92d10dfb9a )

A simple model that maps a collection through a unique column

{code:java}
@Entity
@Table(name = "base_object")
public class BaseObject implements Serializable {
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.AUTO)
private Integer id;
@Column(name = "name", nullable = false, unique = true)
private String name;
@ManyToMany
@JoinTable(
name = "related_objects",
joinColumns = @JoinColumn(name = "base_name", referencedColumnName = "name"),
inverseJoinColumns = @JoinColumn(name = "related_name", referencedColumnName = "name")
)
private Set<RelatedObject> related = new HashSet<>();
}

@Entity
@Table(name = "related_object")
public class RelatedObject {
@Id
@Column(name = "id")
@GeneratedValue(strategy = GenerationType.AUTO)
private Integer id;
@Column(name = "name", nullable = false, unique = true)
private String name;
}
{code}

When trying to add a {{RelatedObject}} reference to the collection, the flushing fails with a NULL constraint violation, although the proxy is lazily initialized.

{code:java}
BaseObject b = entityManager.find(BaseObject.class, bId);
RelatedObject r = entityManager.getReference(RelatedObject.class, rId);
b.getRelated().add(r);
entityManager.flush();
{code}

Note that it works when using property mapping instead, so this seems to be related to the proxy not being narrowed before being accessed.

( https://hibernate.atlassian.net/browse/HHH-14017#add-comment?atlOrigin=eyJpIjoiMzI0NTFjYjg4ZTQyNGU4Mzg4YjNmZjhmNjRhN2Y0MTYiLCJwIjoiaiJ9 ) Add Comment ( https://hibernate.atlassian.net/browse/HHH-14017#add-comment?atlOrigin=eyJpIjoiMzI0NTFjYjg4ZTQyNGU4Mzg4YjNmZjhmNjRhN2Y0MTYiLCJwIjoiaiJ9 )

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.core&referrer=utm_source%3DNotificationLink%26utm_medium%3DEmail ) or iOS ( https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&ct=EmailNotificationLink&mt=8 ) This message was sent by Atlassian Jira (v1001.0.0-SNAPSHOT#100126- sha1:dd08494 )
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://lists.jboss.org/pipermail/hibernate-issues/attachments/20200512/22ae62db/attachment.html