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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-9741" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-8cc53ea6-797b-48a2-9dd5-be23356d1c75" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9741" style="color: #3b73af; text-decoration: none">HHH-9741</a>
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<td style="vertical-align: top;; padding: 0px; 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-9741" style="color: #3b73af; text-decoration: none">Incorrect unique index created on element collection of Embeddables</a> </span>
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Issue Type:
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-static-bug-8cc53ea6-797b-48a2-9dd5-be23356d1c75" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /> Bug
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Affects Versions:
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4.2.4
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Assignee:
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Unassigned
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Attachments:
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Hibernate_UniqueIndexProblem.zip
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Components:
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metagen
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Created:
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22/Apr/2015 03:49 AM
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Environment:
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Oracle & MySQL
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Priority:
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Reporter:
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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="James_Clayton" id="email_James_Clayton" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=James_Clayton" style="color:#6c797f;; color: #3b73af; text-decoration: none">James Clayton</a>
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Original Estimate:
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12h
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Remaining Estimate:
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12h
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Hibernate is incorrectly generating a unique index on and emdeddable collection - the uniqueness of the index is stopping certain rows being added to the collection.The test case is very simple. </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Define an embeddable. <br /> @Embeddable<br /> public class Address </p> { private int houseNumber = 0; private String streetName; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Then define an Entity <br /> @Entity<br /> public class AddressBook </p> { @Id @GeneratedValue private long id; @ElementCollection @CollectionTable(name = "ADDRESS_BOOK_SET") private Set<Address> addresses = new HashSet<Address>(); }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Then is a test case add 2 Addresses to the address book with the same house number but a different street.<br /> @Test <br /> public void test99() </p> { TransactionStatus tstat = txManager.getTransaction(null); AddressBook e = new AddressBook(); Address address1 = new Address(12, "High Street"); Address address2 = new Address(12, "Park Avenue"); e.getAddresses().add(address1); e.getAddresses().add(address2); dao.save(e); txManager.commit(tstat); }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This will throw a DataIntegrityException on commit as the index on join table is on the columns (ADDRESSBOOK_ID, HOUSENUMBER) <br /> BUT it is a unique index meaning you can have 2 addresses in your address book with the same house number even if they are on different streets! </p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Test case attached.</p>
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