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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-9504" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-10e3e13f-1004-405f-a955-db6cecebbfec" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9504" style="color: #3b73af; text-decoration: none">HHH-9504</a>
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Issue Type:
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Affects Versions:
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4.3.7, 4.3.6
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Unassigned
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Components:
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query-hql
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Created:
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16/Nov/2014 20:10 PM
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Environment:
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MySQL 5.6
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HQL
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Reporter:
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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="djmj" id="email_djmj" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=djmj" style="color:#6c797f;; color: #3b73af; text-decoration: none">Marco Janc</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Filtering on calculated properties using deep property path and MySQL view returns wrong results.</p>
<h2 style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 1.500; margin: 40px 0 0 0"><a name="Description" style="color: #3b73af; text-decoration: none"></a>Description</h2>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I have an Entity 'Brand' with a calculated property and a MySQL view which is mapped using composite-id.</p>
<div class="code panel" style="border-style: solid;border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<b>Brand.hbm.xml</b>
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<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<property name=<span class="code-quote" style="color: #009100">"hasImage"</span> generated=<span class="code-quote" style="color: #009100">"always"</span>
formula=<span class="code-quote" style="color: #009100">"(SELECT EXISTS(SELECT 1 FROM images AS i WHERE i.refId = id AND mf.refType = 'ProductGroup' LIMIT 1))"</span>/>
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">In MySQL the boolean is mapped to an tinyint </p> {0,1}
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">.</p>
<div class="code panel" style="border-style: solid;border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeHeader panelHeader" style="border-bottom-width: 1px;border-bottom-style: solid;; border-bottom: 1px solid #ccc; padding: 9px 12px">
<b>MyView.hbm.xml</b>
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<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
<class name=<span class="code-quote" style="color: #009100">"entities.StockAndCategory"</span> mutable=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">false</span>"</span>>
<cache usage=<span class="code-quote" style="color: #009100">"read-only"</span>/>
<composite-id>
<key-many-to-one name=<span class="code-quote" style="color: #009100">"stock"</span> column=<span class="code-quote" style="color: #009100">"stock"</span> class=<span class="code-quote" style="color: #009100">"entities.Stock"</span> lazy=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">false</span>"</span>/>
<key-many-to-one name=<span class="code-quote" style="color: #009100">"category"</span> class=<span class="code-quote" style="color: #009100">"entities.Category"</span> lazy=<span class="code-quote" style="color: #009100">"<span class="code-keyword" style="color: #000091; color: #009100">false</span>"</span>/>
</composite-id>
</class>
</pre>
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</div>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">This is just the minimum info to know about the bug. I never realized the bug before going into production since all our brands had images in development.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Following query results in wrong results. All brands are being retrieved independent of their `hasImage` flag being `true`. The sorting is working though.</p>
<div class="code panel" style="border-style: solid;border-width: 1px;; border: 1px solid #ccc; background: #f5f5f5; font-size: 12px; line-height: 1.333; font-family: monospace; border: 1px solid #ccc; -moz-border-radius: 3px 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="codeHeader panelHeader" style="border-bottom-width: 1px;border-bottom-style: solid;; border-bottom: 1px solid #ccc; padding: 9px 12px">
<b>HQL - View Error</b>
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<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
SELECT DISTINCT
sc.stock.product.brand.name,
sc.stock.product.brand.hasImage
FROM
StockCategory AS sc
WHERE
sc.stock.product.brand IS NOT NULL -- usually obsolete check
AND sc.stock.product.brand.hasImage = <span class="code-keyword" style="color: #000091">true</span>
ORDER BY
sc.stock.product.brand.hasImage DESC
</pre>
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<h2 style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 1.500; margin: 40px 0 0 0"><a name="Results" style="color: #3b73af; text-decoration: none"></a>Results</h2>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The filtering is ignored. But sorting works.</p>
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<th class="confluenceTh" style="border: 1px solid #ccc; background: #f5f5f5; padding: 3px 4px 3px 4px; text-align: center; font: bold 14px/20px Arial, sans-serif">
Brand
</th>
<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
Has Image
</td>
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<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
Apple
</td>
<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
true
</td>
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<tr>
<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
Google
</td>
<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
true
</td>
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<tr>
<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
Microsoft
</td>
<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
false
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<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
IBM
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<td class="confluenceTd" style="padding: 0px; border-collapse: collapse; border: 1px solid #ccc; padding: 3px 4px 3px 4px; font: normal 14px/20px Arial, sans-serif">
false
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<h2 style="margin: 10px 0 0 0; font-size: 20px; font-weight: normal; line-height: 1.500; margin: 40px 0 0 0"><a name="Observations" style="color: #3b73af; text-decoration: none"></a>Observations</h2>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Performing a direct query on the brand table returns correct results. So the entity is definetly mapped correctly.</p>
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<div class="codeHeader panelHeader" style="border-bottom-width: 1px;border-bottom-style: solid;; border-bottom: 1px solid #ccc; padding: 9px 12px">
<b>HQL - Brand - Correct</b>
</div>
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
SELECT b.name, b.hasImage
FROM ProductGroup AS b
WHERE b.hasImage = <span class="code-keyword" style="color: #000091">true</span>
</pre>
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