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<td class="page-title-pattern-first-line " style="padding: 0px; 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-10393" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-7a6dedaa-ab8b-4a84-8f82-a8cb08aecef7" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10393" style="color: #3b73af; text-decoration: none">HHH-10393</a> </td>
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<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="fawzyj" id="email_fawzyj" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=fawzyj" style="color:#6c797f;; color: #3b73af; text-decoration: none">Joseph Fouad</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffcontext">I am developing an application using JPA 2.1 with Hibernate 4.3 as the persistance provider.<br><br>For the sacke of readability and better maintainance, I want to explicitly name every possible think and not to rely on the hibernate naming strategy.<br><br>I am using the newly introduced @ForignKey annotation to customize the forign key constraint name, and it works fine for @JoinColumn associated with @ManyToOne relationships.<br><br>The problem comes when trying to customise the forign key constraints generated for @ManyToMany relationship using a @JoinTable, the provider do not use my provided name, and revert back to its randomly generated name.<br><br>for example:<br></span> <span class="diffaddedchars" style="background-color:#ddfade;">Assuming we have an entity called collection:</span> <span class="diffcontext"><br><br></span> <span class="diffaddedchars" style="background-color:#ddfade;"><br></span> <span class="diffcontext">{code:java}<br>@ManyToOne<br>@JoinColumn(name = "store_id", referencedColumnName = "id",<br> foreignKey = @ForeignKey(name = "fk_collection_store_id"))<br>Store store;<br>{code}<br><br>correctly generate the following ddl<br><br><br>{code:java}<br>alter table collection add constraint fk_collection_store_id foreign key (store_id) references store<br>{code}<br><br>but when i try to use it with @ManyToMany association, it does not work as expected:<br><br><br>{code:java}<br>@ManyToMany<br>@JoinTable(name="collection_product",<br> joinColumns = {@JoinColumn(name="collection_id", referencedColumnName = "id")},<br> foreignKey = @ForeignKey(name = "fk_collection_product__collection_id"),<br> inverseJoinColumns = {@JoinColumn(name="product_id", referencedColumnName = "id")},<br> inverseForeignKey = @ForeignKey(name = "fk_collection_product__product_id"))<br>List<Product> products = new ArrayList<>();<br>{code}<br><br>the generated ddl doesnot honor my provided names, and revert to the auto generated random names:<br><br><br>{code:java}<br>alter table collection_product add constraint FK_skd8u4feadi59mpp8os1q1ar3 foreign key (product_id) references product<br>alter table collection_product add constraint FK_lbkv2n46sv06t6qfwabbk0wgw foreign key (collection_id) references collection<br>{code}<br><br><br>So, what is wrong here?<br><br>by the way, I tried to use foregnKey attribute on the @JoinColumn itself (it seems wrong, but i tried it anyway) and it does not help either:<br><br><br>{code:java}<br>@ManyToMany<br>@JoinTable(name="collection_product",<br> joinColumns={@JoinColumn(name="collection_id", referencedColumnName = "id",<br> foreignKey = @ForeignKey(name = "fk_collection_product__collection_id"))},<br> inverseJoinColumns={@JoinColumn(name="product_id", referencedColumnName = "id",<br> foreignKey = @ForeignKey(name = "fk_collection_product__product_id"))})<br>List<Product> products = new ArrayList<>();<br>{code}<br><br>it does not work either:<br><br><br>{code:java}<br>alter table collection_product add constraint FK_skd8u4feadi59mpp8os1q1ar3 foreign key (product_id) references product<br>alter table collection_product add constraint FK_lbkv2n46sv06t6qfwabbk0wgw foreign key (collection_id) references collection<br>{code}<br><br><br>what is the correct way to make this work?<br><br>Thanks</span> </td>
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