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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: 10px 0 0; margin-top: 0">I've tracked down the first problem related to the <tt>QueryException</tt> based on not being able to find your <tt>rev_type</tt> (aka REVTYPE) field. Based on your mappings, you're using a mapping that the collection metadata producer does not yet support, so we need to look at what changes are necessary to support this. </p> <p style="margin: 10px 0 0">The root problem here is based on an assumption that the revision type property is mapped the same on both the map-key and map-value. In your use case, the field is mapped as a property on <tt>Item</tt> but is mapped as part of the primary key on <tt>category_item_AUD</tt>. So when the predicate is added, it uses an incorrect property reference on the <tt>Item</tt> side and threfore leads to the <tt>QueryException</tt>.</p> <p style="margin: 10px 0 0">This is shown clearly below:</p>
<div class="preformatted 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 style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal; white-space: pre; word-break: normal; word-wrap: break-word; word-break: break-all; white-space: pre-wrap">select new list(ee__, e__)
from category_item_r ee__, enverstest.model.Item_r e__
where ee__.originalId.Category_id = :Category_id and
e__.originalId.rev_begin.id <= :revision and
ee__.originalId.rev_begin.id <= :revision and
ee__.originalId.rev_type != :delrevisiontype and
e__.originalId.rev_type != :delrevisiontype and
(ee__.originalId.mapkey_id = e__.originalId.id or (ee__.originalId.mapkey_id is null and e__.originalId.id is null)) and
(e__.rev_end.id > :revision or e__.rev_end is null) and (ee__.rev_end.id > :revision or ee__.rev_end is null)
</pre>
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</div> <p style="margin: 10px 0 0">with the problem being the line</p>
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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">
e__.originalId.rev_type != :delrevisiontype and
</pre>
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</div> <p style="margin: 10px 0 0">While your use case points out the problem with <tt>TwoEntityQueryGenerator</tt>, this is also likely problematic with <tt>ThreeEntityQueryGenerator</tt> too.</p> <p style="margin: 10px 0 0">Once we get past this, I'll look into the null-values problem and likely push that to follow-up JIRA if they're not related.</p> </td>
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