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/* Changing the layout to use less space for mobiles */
@media screen and (max-device-width: 480px), screen and (-webkit-min-device-pixel-ratio: 2) {
#email-body { min-width: 30em !important; }
#email-page { padding: 8px !important; }
#email-banner { padding: 8px 8px 0 8px !important; }
#email-avatar { margin: 1px 8px 8px 0 !important; padding: 0 !important; }
#email-fields { padding: 0 8px 8px 8px !important; }
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<img id="email-avatar" src="https://hibernate.onjira.com/secure/useravatar?ownerId=steve&avatarId=10346" alt="" height="48" width="48" border="0" align="left" style="padding:0;margin: 0 16px 16px 0;" />
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<a class="user-hover" rel="steve" id="email_steve" href="https://hibernate.onjira.com/secure/ViewProfile.jspa?name=steve" style="color:#6c797f;">Steve Ebersole</a>
commented on <img src="https://hibernate.onjira.com/images/icons/newfeature.gif" height="16" width="16" border="0" align="absmiddle" alt="New Feature"> <a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HHH-7635'>HHH-7635</a>
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<a style='color:#6c797f;text-decoration:none;' href='https://hibernate.onjira.com/browse/HHH-7635'><strong>"mappedBy" property not found on superclass</strong></a>
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<div class="comment-block" style="background-color:#edf5ff;border:1px solid #dddddd;color:#000000;padding:12px;"><p>This is not a valid bi-directional mapping as Hibernate currently models it. The problem is that it is not reflexive. The fulcrum here is the definition of what constitutes the "foreign key" in this association. Currently Hibernate considers is to simply be the customer id column:</p>
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<pre class="code-java">... from order o join customer c on o.cust_id = c.id ...</pre>
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<p>So even if you linked that up in the persisters, both collections are going to get both sets of data.</p>
<p>Instead, you want the "foreign key" to be composite, based on customer id <b>and</b> the order type:</p>
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<pre class="code-java">... from order o join customer c on o.cust_id = c.id and o.type = 'SpecialOrder' ...</pre>
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<p>TBH, I am inclined to call this invalid. </p>
<p>The easiest workaround is to simply move the <tt>@ManyToOne private Customer customer</tt> definition into each subclass. THere are others, but they get pretty complicated to map.</p></div>
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