[hibernate-issues] [Hibernate-JIRA] Resolved: (EJB-286) Hibernate does not honor @Column(name=...) annotation with IdClass
Emmanuel Bernard (JIRA)
noreply at atlassian.com
Tue May 22 20:03:04 EDT 2007
[ http://opensource.atlassian.com/projects/hibernate/browse/EJB-286?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Emmanuel Bernard resolved EJB-286.
----------------------------------
Resolution: Duplicate
put the annotations on the class itself (not the idclass)
> Hibernate does not honor @Column(name=...) annotation with IdClass
> ------------------------------------------------------------------
>
> Key: EJB-286
> URL: http://opensource.atlassian.com/projects/hibernate/browse/EJB-286
> Project: Hibernate Entity Manager
> Issue Type: Bug
> Components: EntityManager
> Affects Versions: 3.3.1.GA
> Environment: Netbeans 5.5, Java6
> Reporter: Dusty
>
> I'have an Entity which uses an IdClass, when I execute the simplest query Hibernate fails because it's using the name of the attribute instead of the one indicated by the @Column annotation.
> The IdClass is defined as follows:
> public class DomainAdminId implements Serializable {
>
> private String domainName;
> private String adminUser;
>
> public DomainAdminId() {
> }
>
> public DomainAdminId(String domainName, String adminUser) {
> this.domainName = domainName;
> this.adminUser = adminUser;
> }
>
> public String getDomainName() {
> return domainName;
> }
>
> public void setDomainName(String domainName) {
> this.domainName = domainName;
> }
>
> public String getAdminUser() {
> return adminUser;
> }
>
> public void setAdminUser(String adminUser) {
> this.adminUser = adminUser;
> }
>
> public boolean equals(Object o) {
> return ((o instanceof DomainAdminId) &&
> domainName.equals(((DomainAdminId)o).getDomainName()) &&
> adminUser.equals(((DomainAdminId)o).getAdminUser()));
> }
>
> public int hashCode() {
> return (domainName+adminUser).hashCode();
> }
> }
> And the following Entity using that idClass:
> @Entity
> @Table(name="domainadmin")
> @IdClass(DomainAdminId.class)
> @NamedQueries( {
> @NamedQuery(name = "DomainAdmin.test", query = "SELECT d FROM DomainAdmin d")
> )
> public class DomainAdmin implements Serializable {
> @Id
> @Column(name="domain_name")
> private String domainName;
> @Id
> @Column(name="adminuser")
> private String adminUser;
>
> public DomainAdmin() {
> }
>
> public String getDomainName() {
> return domainName;
> }
>
> public void setDomainName(String domainName) {
> this.domainName = domainName;
> }
>
> public String getAdminUser() {
> return adminUser;
> }
>
> public void setAdminUser(String adminUser) {
> this.adminUser = adminUser;
> }
> }
> When executing the DomainAdmin.test Named Query I got this error:
> could not execute query [select domainadmi0_.adminUser as adminUser1_, domainadmi0_.domainName as domainName1_ from domainadmin domainadmi0_]
> com.mysql.jdbc.exceptions.MySQLSyntaxErrorException: Unknown column 'domainadmi0_.domainName' in 'field list'
> In effect, as indicated in the source, the column name is "domain_name" and not "domainName".
> The same apply for the other column: adminUser (that should instead be "adminuser"),
> This issue is blocking for me, do you have any workaround for the time being?
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