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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-11543" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-76dcae2b-3d86-48cf-b2c2-8c60a4f5b197" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-11543" style="color: #3b73af; text-decoration: none">HHH-11543</a> </td>
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<td style="vertical-align: top;; padding: 0; border-collapse: collapse; padding-right: 5px; font-size: 20px; line-height: 30px; mso-line-height-rule: exactly" class="page-title-pattern-header-container"> <span class="page-title-pattern-header" style="font-family: Arial, sans-serif; padding: 0; font-size: 20px; line-height: 30px; mso-text-raise: 2px; mso-line-height-rule: exactly; vertical-align: middle"> <a href="https://hibernate.atlassian.net/browse/HHH-11543" style="color: #3b73af; text-decoration: none">Sometimes hibernate doesn't created constraint for foreign key in ManyToOne relationship</a> </span> </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Change By:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="ivan.fedorov" id="email_ivan.fedorov" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=ivan.fedorov" style="color:#6c797f;; color: #3b73af; text-decoration: none">Ivan Fedorov</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <span class="diffcontext">I have next hierarchy of classes/entities<br><br>{code:java}<br>@Entity<br>@Table(name = "Users")<br>@Inheritance(strategy = InheritanceType.TABLE_PER_CLASS)<br>public abstract class User implements Serializable {<br><br> @Id<br> @Column(name = "UserID", unique = true, nullable = false)<br> @GeneratedValue(strategy = GenerationType.AUTO)<br> private Long userId;<br>}<br><br>@Entity<br>@Table(name = "Tasks")<br>public class Task implements Serializable {<br><br> @Id<br> @GeneratedValue(strategy = GenerationType.AUTO)<br> @Column(name = "TaskID", unique = true, nullable = false)<br> private Long taskId;<br><br><br> @OneToMany(mappedBy = "task", fetch = FetchType.LAZY, cascade = CascadeType.ALL)<br> private Set<UserTask> users;<br>}<br><br>@Entity<br>@Table(name = "RegularUsers")<br>public class RegularUser extends User {<br><br> @OneToMany(mappedBy = "regularUser", fetch = FetchType.LAZY, cascade = CascadeType.ALL)<br> private Set<UserTask> tasks;<br>}<br><br>@Entity<br>@Table(name = "UserTask")<br>public class UserTask implements Serializable {<br><br> @Id<br> @GeneratedValue(strategy = GenerationType.AUTO)<br> @Column(name = "UserTaskID", unique = true, nullable = false)<br> private Long userTaskId;<br><br> @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)<br> @JoinColumn(name = "UserID_FK", referencedColumnName = "UserID")<br> private RegularUser regularUser;<br><br> @ManyToOne(cascade = CascadeType.ALL, fetch = FetchType.LAZY)<br> @JoinColumn(name = "TaskID_FK", referencedColumnName = "TaskID")<br> private Task task;<br>}<br>{code}<br><br>In code above I've skipped all the setters, getters and constructors.<br><br>When I run application, hibernate creates tables with all required columns but doesn't create constraint for foreign key for next field in table UserTask.<br>{code:java}<br>@JoinColumn(name = "UserID_FK", referencedColumnName = "UserID")<br> private RegularUser regularUser;<br>{code}<br><br>Nevertheless constraint for the field "private Task task;" is being created successfully. <br>In the execution output I see<br><br>{code:java}<br>Hibernate: <br> <br> create table RegularUsers (<br> UserID numeric(19,0) not null,<br> primary key (UserID)<br> )<br>Hibernate: <br> <br> create table Tasks (<br> TaskID numeric(19,0) not null,<br> primary key (TaskID)<br> )<br>Hibernate: <br> create table UserTask (<br> UserTaskID numeric(19,0) not null,<br> UserID_FK numeric(19,0),<br> TaskID_FK numeric(19,0),<br> primary key (UserTaskID)<br> )<br>Hibernate: <br> alter table RegularUsers <br> add constraint UK_n68f0rf3bjbec7ril2q103g10 unique (UserID)<br>Hibernate: <br> alter table UserTask <br> add constraint FKiguctfwkdscbv8l409lnbcfna <br> foreign key (TaskID_FK) <br> references Tasks<br>{code}<br> <br></span> <span class="diffaddedchars" style="background-color:#ddfade;">I use update hbm2ddl.auto property<br><br>{code:java}<br><property name="hibernate.hbm2ddl.auto"><br> update<br></property><br>{code}<br></span> </td>
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