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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-10863" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-96dc7125-92d7-4027-bcd9-60f91851b96a" 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: 0; 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">Change By:</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="gunnar.morling" id="email_gunnar.morling" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=gunnar.morling" style="color:#6c797f;; color: #3b73af; text-decoration: none">Gunnar Morling</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"> <span class="diffcontext">This is a followup of</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> https://hibernate.atlassian.net/browse/</span> <span class="diffcontext">HHH-6005 and a proposal to fix</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> https://hibernate.atlassian.net/browse/</span> <span class="diffcontext">OGM-893 .<br><br>In OGM, our implicit naming strategy rely on the fact that {{ImplicitNamingStrategy#determineBasicColumnName}} is called with a propertyName containing {{collection&&element.}} for collection elements.<br><br>This was the case before ORM 5, but following HHH-6005, the behavior of {{Ejb3Column}} has changed in this regard and {{ImplicitNamingStrategy#determineBasicColumnName}} is sometimes called with a propertyName cleaned up from {{collection&&element.}} and sometimes with the full propertyName containing {{collection&&element.}}.<br><br>Let's admit, we have the following propertyName {{items.collection&&element.name}}.<br>in https://github.com/gsmet/hibernate-orm/blob/master/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java#L272<br>-> {{determineBasicColumnName}} is called with {{items.name}}<br><br>while in https://github.com/gsmet/hibernate-orm/blob/master/hibernate-core/src/main/java/org/hibernate/cfg/Ejb3Column.java#L375<br>-> {{determineBasicColumnName}} is called with the full propertyName {{items.collection&&element.name}}.<br><br>While we should not expose {{collection&&element.}} 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 {{ImplicitNamingStrategy#determineBasicColumnName}} and restore the old behavior in this regard.<br><br>It doesn't break the expectations of people having implemented their own implicit naming strategy as currently {{determineBasicColumnName}} is already sometimes called with {{collection&&element.}} in the property name.<br><br>What I propose is to change the code in {{Ejb3Column}} to always call {{ImplicitNamingStrategy#determineBasicColumnName}} with "collection&&element." included in the propertyName and only remove it before passing it to the physical strategy.<br><br>This would allow the calls to {{ImplicitNamingStrategy#determineBasicColumnName}} 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).<br><br>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.</span> </td>
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