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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-12385" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-ca2a2323-049f-410b-bc9d-01b37cdbeaa1" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-12385" style="color: #3b73af; text-decoration: none">HHH-12385</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-12385" style="color: #3b73af; text-decoration: none"> com.mysql.jdbc.exceptions.jdbc4.MySQLIntegrityConstraintViolationException: Cannot add or update a child row: a foreign key constraint fails</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="ganu.pednekar" id="email_ganu.pednekar" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=ganu.pednekar" style="color:#6c797f;; color: #3b73af; text-decoration: none">Ganaraj Pednekar</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">Hi,<br><br>I want to achieve the composite key on an entity as follows but getting error. PFA for stack trace. <br>Values are inserting in system_user_table. When i gave the SystemUser as foreign-key reference in user table its not allowing me to save data.<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">Composite key: ID is Long and another is String<br>I want to make only ID with GeneratedValue.<br></span> <span class="diffcontext">Is it possible to achieve in such a way ?<br>Please help. <br><br>*Entity SystemUser*<br>public class SystemUser implements Serializable {<br>private Long systemUserID;<br>private String spaceKey;<br>@Id<br> @GeneratedValue(generator = "SystemUserGenerator")<br> @GenericGenerator(name = "SystemUserGenerator", strategy = "org.hibernate.shards.id.ShardedTableHiLoGenerator")<br> @Column(name = "system_user_id")<br> public Long getSystemUserID() {<br> return systemUserID;<br> }<br><br>@Id<br> @Column(name = "SPACE_KEY", insertable = false, updatable = false)<br> public String getSpaceKey() {<br> return spaceKey;<br> }<br><br><br>.......<br>....... <br>// hashcode and equals methods<br>}<br><br>*Entity User*<br>public class User implements Serializable {<br>private Long id;<br>private String spaceKey;<br>private SystemUser systemUser;<br><br>@Id<br> @GeneratedValue(generator = "UserGenerator")<br> @GenericGenerator(name = "UserGenerator", strategy = "org.hibernate.shards.id.ShardedTableHiLoGenerator")<br> @Column(name = "id")<br> public Long getId() {<br> return id;<br> }<br><br>@ManyToOne(fetch = FetchType.LAZY)<br>@JoinColumns({@JoinColumn(name = "SYSTEMUSER_ID", referencedColumnName = "system_user_id", columnDefinition = "bigint default 0"), <br> @JoinColumn(name = "SPACE_KEY", referencedColumnName = "SPACE_KEY", insertable = false, updatable = false)})<br> public SystemUser getSystemUser() {<br> return systemUser;<br> }<br><br>@Id<br> @Column(name = "SPACE_KEY", insertable = false, updatable = false)<br> public String getSpaceKey() {<br> return spaceKey;<br> }<br><br>.......<br>....... <br>// hashcode and equals methods<br>}<br></span> </td>
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