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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-10863" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-f02ea53a-9fff-4c42-9736-516b8eb043b9" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10863" style="color: #3b73af; text-decoration: none">HHH-10863</a> </td>
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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-10863" style="color: #3b73af; text-decoration: none">Improve consistency of how we call implicitNamingStrategy.determineBasicColumnName with element collections</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">Issue Type:</th>
<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-avatar-f02ea53a-9fff-4c42-9736-516b8eb043b9" 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">Affects Versions:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.1.0, 5.0.9, 5.2.0 </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="gsmet" id="email_gsmet" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=gsmet" style="color:#6c797f;; color: #3b73af; text-decoration: none">Guillaume Smet</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"> hibernate-core </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">Created:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 16/Jun/2016 10:12 AM </td>
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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-major-82f3a246-0471-4094-8b21-51299cdc34a4" 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: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="gsmet" id="email_gsmet" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=gsmet" style="color:#6c797f;; color: #3b73af; text-decoration: none">Guillaume Smet</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"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">This is a followup of <a href="https://hibernate.atlassian.net/browse/HHH-6005" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://hibernate.atlassian.net/browse/HHH-6005</a> and a proposal to fix <a href="https://hibernate.atlassian.net/browse/OGM-893" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://hibernate.atlassian.net/browse/OGM-893</a> .</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">In OGM, our implicit naming strategy rely on the fact that <tt>ImplicitNamingStrategy#determineBasicColumnName</tt> is called with a propertyName containing <tt>collection&&element.</tt> for collection elements.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This was the case before ORM 5, but following <span class="jira-issue-macro resolved" data-jira-key="HHH-6005">
<!-- replace the span with an AUI template --> <a href="https://hibernate.atlassian.net/browse/HHH-6005" class="jira-issue-macro-key issue-link" title="Better handling of implicit column naming with @ElementCollection of @Embeddables" style="color: #3b73af; text-decoration: none"> <img class="icon" src="https://hibernate.atlassian.net/secure/viewavatar?size=xsmall&avatarId=12143&avatarType=issuetype"> HHH-6005 </a> <span class="aui-lozenge aui-lozenge-subtle aui-lozenge-success jira-macro-single-issue-export-pdf" style="background: #cccccc; border: 1px solid #cccccc; border-radius: 3px; color: #333333; display: inline-block; font-size: 11px; font-weight: bold; line-height: 99%; margin: 0; padding: 2px 5px; text-align: center; text-decoration: none; text-transform: uppercase; background-color: #ffffff; border-color: #cccccc; color: #333333" bgcolor="#ffffff">Complete</span> </span> , the behavior of <tt>Ejb3Column</tt> has changed in this regard and <tt>ImplicitNamingStrategy#determineBasicColumnName</tt> is sometimes called with a propertyName cleaned up from <tt>collection&&element.</tt> and sometimes with the full propertyName containing <tt>collection&&element.</tt>.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Let's admit, we have the following propertyName <tt>items.collection&&element.name</tt>.<br> in <a href="https://github.com/gsmet/hibernate-orm/blob/master/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java#L272" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/gsmet/hibernate-orm/blob/master/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java#L272</a><br> -> <tt>determineBasicColumnName</tt> is called with <tt>items.name</tt></p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">while in <a href="https://github.com/gsmet/hibernate-orm/blob/master/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java#L375" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">https://github.com/gsmet/hibernate-orm/blob/master/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java#L375</a><br> -> <tt>determineBasicColumnName</tt> is called with the full propertyName <tt>items.collection&&element.name</tt>.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">While we should not expose <tt>collection&&element.</tt> to the physical naming strategy as we don't want it to be included in the column name, I think we should be consistent regarding the parameter we pass to <tt>ImplicitNamingStrategy#determineBasicColumnName</tt> and restore the old behavior in this regard.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">It doesn't break the expectations of people having implemented their own implicit naming strategy as currently <tt>determineBasicColumnName</tt> is already sometimes called with <tt>collection&&element.</tt> in the property name.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">What I propose is to change the code in <tt>Ejb3Column</tt> to always call <tt>ImplicitNamingStrategy#determineBasicColumnName</tt> with "collection&&element." included in the propertyName and only remove it before passing it to the physical strategy.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This would allow the calls to <tt>ImplicitNamingStrategy#determineBasicColumnName</tt> to be consistent and would fix the aforementioned OGM bug which has been silently introduced when we migrated to ORM 5 (and yes, we will add a unit test in OGM).</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">It would be nice if it could be backported also to 5.1 as OGM will move to 5.1 soon and we would like to fix this bug sooner rather than later.</p> </td>
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