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                                        <table class="page-title-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
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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-12434" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-54e54640-e6ca-4637-bd4d-c769753ce936" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-12434" style="color: #3b73af; text-decoration: none">HHH-12434</a> </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">Issue Type:</th> 
                                                    <td class="has-icon" style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-54e54640-e6ca-4637-bd4d-c769753ce936" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </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">Assignee:</th> 
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                                                    <th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th> 
                                                    <td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 26/Mar/2018 22:21 PM </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">Priority:</th> 
                                                    <td class="has-icon" style="padding: 0; 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-major-bfa61d35-9277-49f3-adf7-11ac23f71ad3" height="16" width="16" border="0" align="absmiddle" alt="Major" style="vertical-align: text-bottom"> Major </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">Reporter:</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="rdearnaley" id="email_rdearnaley" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=rdearnaley" style="color:#6c797f;; color: #3b73af; text-decoration: none">Roger Dearnaley</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"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0; margin-top: 0">I have the following class:</p> 
                                                        <div class="code panel" style="border-width: 1px;; border: 1px solid #cccccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #cccccc; -moz-border-radius: 3px; border-radius: 3px; margin: 9px 0">
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                                                                <pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Audited @DynamicInsert @DynamicUpdate
@Entity(name = <span class="code-quote" style="color: #009100">"ResourcePool"</span>)
@Proxy(proxyClass = ResourcePool.class)
@Table(
    name              = <span class="code-quote" style="color: #009100">"ec_resource_pool"</span>,
    uniqueConstraints =
        @UniqueConstraint(
            name      = <span class="code-quote" style="color: #009100">"iu_resource_pool_name"</span>,
            columnNames = <span class="code-quote" style="color: #009100">"name"</span>
        )
)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">class </span>ResourcePoolImpl
    <span class="code-keyword" style="color: #000091">extends</span> AbstractProtectedPropertySheetOwner
    <span class="code-keyword" style="color: #000091">implements</span> ResourcePool
{
...
    <span class="code-keyword" style="color: #000091">private</span> UUID m_id;
    <span class="code-keyword" style="color: #000091">private</span> SortedSet&lt;<span class="code-object" style="color: #910091">String</span>&gt;  m_resourceNames;
...
    @Override <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">boolean</span> addResourceName(
            @NonNls @NotNull <span class="code-object" style="color: #910091">String</span> resourceName)
    {

        <span class="code-keyword" style="color: #000091">if</span> (m_resourceNames == <span class="code-keyword" style="color: #000091">null</span>) {
            m_resourceNames = CollectionUtil.createCaseInsensitiveSet();
        }

        <span class="code-keyword" style="color: #000091">return</span> m_resourceNames.add(resourceName);
    }
...
    @Column(
        length    = UUID_LENGTH,
        updatable = <span class="code-keyword" style="color: #000091">false</span>,
        nullable  = <span class="code-keyword" style="color: #000091">false</span>
    )
    @DocumentId
    @GeneratedValue(generator = <span class="code-quote" style="color: #009100">"ecid"</span>)
    @GenericGenerator(
        name     = <span class="code-quote" style="color: #009100">"ecid"</span>,
        strategy = <span class="code-quote" style="color: #009100">"com.electriccloud.dao.EntityIdentifierGenerator"</span>
    )
    @Id @NonNls @NotNull @Override <span class="code-keyword" style="color: #000091">public</span> UUID getId()
    {
        <span class="code-keyword" style="color: #000091">return</span> m_id;
    }
...
    @AuditJoinTable(name = <span class="code-quote" style="color: #009100">"ec_resource_pool_resource_aud"</span>)
    @Column(
        name   = <span class="code-quote" style="color: #009100">"resource_name"</span>,
        length = MAX_NAME_LENGTH
    )
    @ElementCollection(fetch = LAZY)
    @JoinTable(
        name        = <span class="code-quote" style="color: #009100">"ec_resource_pool_resource"</span>,
        joinColumns =
            @JoinColumn(
                name = <span class="code-quote" style="color: #009100">"resource_pool_id"</span>,
                foreignKey = @ForeignKey(name = <span class="code-quote" style="color: #009100">"fk_resource_pool"</span>)
            )
    )
    @Nullable @Override
    @SortComparator(CaseInsensitiveOrdering.class)
    <span class="code-keyword" style="color: #000091">public</span> SortedSet&lt;<span class="code-object" style="color: #910091">String</span>&gt; getResourceNames()
    {
        <span class="code-keyword" style="color: #000091">return</span> m_resourceNames;
    }
...
    @Override <span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">boolean</span> removeResourceName(
            @NonNls @NotNull <span class="code-object" style="color: #910091">String</span> resourceName)
    {
        <span class="code-keyword" style="color: #000091">return</span> m_resourceNames != <span class="code-keyword" style="color: #000091">null</span> &amp;&amp; m_resourceNames.remove(resourceName);
    }
...
   @Override <span class="code-keyword" style="color: #000091">public</span> void setId(@NonNls @Nullable UUID id)
    {
        m_id = id;
    }
...
    @Override <span class="code-keyword" style="color: #000091">public</span> void setResourceNames(SortedSet&lt;<span class="code-object" style="color: #910091">String</span>&gt; resourceNames)
    {
        m_resourceNames = resourceNames;
    }
}
</pre> 
                                                            </div>
                                                        </div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">The join table ec_resource_pool_resource and the audit table ec_resource_pool_resource_aud both have case-insensitive collation order.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I create a resource pool whose m_resourceNames with some id which contains the entry 'foo', which produces a row in ec_resource_pool_resource with that id and resource_name = 'foo'</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I then do:</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">resourcePool.remove("foo");<br> resourcePool.add("FOO"); // Differs from the previous value only by case</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Once this is committed, I find I have TWO rows in ec_resource_pool_resource with the same id one with resource_name = 'FOO' (as expected) but the original one with resource_name = 'foo' – which should have been deleted, but was not.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">(NOTE – If you have auditing turned on, you won't be able to get this far, due to a constraint violation issue which I will file a separate JIRA for.)</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">If I make further changes only by case (e.g. tothe resource 'Foo'), then I get even more duplicated rows in ec_resource_pool_resource.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">This problem does NOT occur if I put a flush between the delete and the add.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">This problem has existed at least since Hibernate 4.3.x.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">I haven't yet turned this into a test case – hopefully I'll be able to do so fairly soon.</p> </td> 
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{
  "@context": "http://schema.org",
  "@type": "EmailMessage",
  "description": "View Issue",
  "potentialAction": {
    "@type": "ViewAction",
        "target": "https://hibernate.atlassian.net/browse/HHH-12434?inbox=true&",
    "name": "View Issue"
      },
  "publisher": {
    "@type": "Organization",
    "name": "Atlassian",
    "url": "https://www.atlassian.com"
  }
}
</script> 
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                                <!-- there needs to be content in the cell for it to render in some clients --> 
                                <tr> 
                                    <td class="email-content-rounded-bottom mobile-expand" style="padding: 0; border-collapse: collapse; color: #ffffff; padding: 0 15px 0 16px; height: 5px; line-height: 5px; background-color: #ffffff; border-top: 0; border-left: 1px solid #cccccc; border-bottom: 1px solid #cccccc; border-right: 1px solid #cccccc; border-bottom-right-radius: 5px; border-bottom-left-radius: 5px; mso-line-height-rule: exactly" height="5" bgcolor="#ffffff">&nbsp;</td> 
                                </tr> 
                            </tbody>
                        </table> </td> 
                </tr> 
                <tr> 
                    <td id="footer-pattern" style="padding: 0; border-collapse: collapse; padding: 12px 20px"> 
                        <table id="footer-pattern-container" cellspacing="0" cellpadding="0" border="0" style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                            <tbody>
                                <tr> 
                                    <td id="footer-pattern-mobile-separated-links" class="mobile-resize-text" width="100%" colspan="2" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> Get Jira notifications on your phone! Download the Jira Cloud app for <a href="https://play.google.com/store/apps/details?id=com.atlassian.android.jira.core&amp;referrer=utm_source%3DNotificationLink%26utm_medium%3DEmail" style="color: #3b73af; text-decoration: none">Android</a> or <a href="https://itunes.apple.com/app/apple-store/id1006972087?pt=696495&amp;ct=EmailNotificationLink&amp;mt=8" style="color: #3b73af; text-decoration: none">iOS</a> 
                                        <hr> </td> 
                                </tr> 
                                <tr> 
                                    <td id="footer-pattern-text" class="mobile-resize-text" width="100%" style="padding: 0; border-collapse: collapse; color: #999999; font-size: 12px; line-height: 18px; font-family: Arial, sans-serif; mso-line-height-rule: exactly; mso-text-raise: 2px"> This message was sent by Atlassian Jira <span id="footer-build-information">(v1001.0.0-SNAPSHOT#100082-<span title="d1dd9cd5f846b1427168f25ba3cd23169f819d4c" data-commit-id="d1dd9cd5f846b1427168f25ba3cd23169f819d4c}">sha1:d1dd9cd</span>)</span> </td> 
                                    <td id="footer-pattern-logo-desktop-container" valign="top" style="padding: 0; border-collapse: collapse; padding-left: 20px; vertical-align: top"> 
                                        <table style="border-collapse: collapse; mso-table-lspace: 0; mso-table-rspace: 0"> 
                                            <tbody>
                                                <tr> 
                                                    <td id="footer-pattern-logo-desktop-padding" style="padding: 0; border-collapse: collapse; padding-top: 3px; opacity: 0.150"> <img id="footer-pattern-logo-desktop" src="cid:jira-generated-image-static-footer-desktop-logo-2fe97379-6313-4173-b514-fa8eb9fd058c" alt="Atlassian logo" title="Atlassian logo" width="192" height="24" class="image_fix"> </td> 
                                                </tr> 
                                            </tbody>
                                        </table> </td> 
                                </tr> 
                            </tbody>
                        </table> </td> 
                </tr> 
            </tbody>
        </table>   
    
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