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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?atlOrigin=eyJpIjoiZjk3OTIxZDJlODcwNDkwZDhkNmZmYThhYjNmNDMyMWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-13134?atlOrigin=eyJpIjoiZjk3OTIxZDJlODcwNDkwZDhkNmZmYThhYjNmNDMyMWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-9536a1a6-8f66-4029-8698-32133f282408" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-13134?atlOrigin=eyJpIjoiZjk3OTIxZDJlODcwNDkwZDhkNmZmYThhYjNmNDMyMWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-13134</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-13134?atlOrigin=eyJpIjoiZjk3OTIxZDJlODcwNDkwZDhkNmZmYThhYjNmNDMyMWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">When hibernate-enhance-maven-plugin is enabled, hibernate start executing extra queries, that weren't needed before</a> </span> </td>
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<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="filip" id="email_filip" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=filip" style="color:#6c797f;; color: #3b73af; text-decoration: none">Filip Procházka</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">I've prepared a reproducer in a repository on github:<br><br>https://github.com/fprochazka/hibernate-enhancement-unexpected-queries-bug<br><br>I don't understand hibernate internals enough to dig deeper, but this is clearly unwanted, because when I've just enabled it on our project, one of my API endpoints went *from 10 queries to 816 queries* and I gave up on examining the rest of them.<br><br>I've even tried to annotated *all* of</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> `</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext">toOne</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">`</span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext"> relations in our project with different combinations of</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> `</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext">@LazyToOne</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">`</span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext"> (with different</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> `</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext">LazyToOneOption</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">`</span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext">) and</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"> `</span> <span class="diffaddedchars" style="background-color:#ddfade;"> {{</span> <span class="diffcontext">@LazyGroup</span> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;">`</span> <span class="diffaddedchars" style="background-color:#ddfade;">}}</span> <span class="diffcontext"> in the hopes that I've just misunderstood the feature, but it just went from broken (because of 100x times more queries which is unacceptable) to completely broken (where the data weren't even loading properly).<br></span> </td>
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