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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-8632" style="color: #3b73af; text-decoration: none"><img src="https://hibernate.atlassian.net/images/icons/issuetypes/bug.png" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-8632" style="color: #3b73af; text-decoration: none">HHH-8632</a>
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<td style="vertical-align: top;; padding: 0px; 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-8632" style="color: #3b73af; text-decoration: none">CriteriaBuilder#concat(Expression<String>, Expression<String>) produces wrong SQL expressions</a> </span>
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Issue Type:
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Affects Versions:
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4.2.6, 4.2.5
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Unassigned
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Components:
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core
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Created:
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22/Oct/13 8:00 AM
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Environment:
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Oracle 10g, Oracle 11g
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Priority:
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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="michael.simons" id="email_michael.simons" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=michael.simons" style="color:#6c797f;; color: #3b73af; text-decoration: none">Michael Simons</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The #concat method of CriteriaBuilder produces the wrong SQL statement on Oracle 10g and 11g using Oracle JDBC 11.2.0.3.</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The following expressions </p>
<div class="code panel" style="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="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">
<span class="code-comment" style="color: #808080">// <span class="code-keyword" style="color: #000091; color: #808080">if</span> the id is <span class="code-keyword" style="color: #000091; color: #808080">null</span> or 0l <span class="code-keyword" style="color: #000091; color: #808080">return</span> <span class="code-keyword" style="color: #000091; color: #808080">null</span>, otherwise the surename and <span class="code-keyword" style="color: #000091; color: #808080">if</span> the name is not <span class="code-keyword" style="color: #000091; color: #808080">null</span>, concat it together with literal <span class="code-quote" style="color: #009100; color: #808080">", "</span>
</span><span class="code-keyword" style="color: #000091">return</span>
        criteriaBuilder.function(<span class="code-quote" style="color: #009100">"decode"</span>, <span class="code-object" style="color: #910091">String</span>.class,
                root.get(Marktteilnehmer_.id),
                criteriaBuilder.nullLiteral(<span class="code-object" style="color: #910091">Long</span>.class),
                criteriaBuilder.nullLiteral(<span class="code-object" style="color: #910091">String</span>.class),                                                
                criteriaBuilder.concat(
                        root.get(Marktteilnehmer_.name),
                        criteriaBuilder.function(<span class="code-quote" style="color: #009100">"decode"</span>, <span class="code-object" style="color: #910091">String</span>.class,
                                root.get(Marktteilnehmer_.vorname),
                                criteriaBuilder.nullLiteral(<span class="code-object" style="color: #910091">String</span>.class),
                                criteriaBuilder.nullLiteral(<span class="code-object" style="color: #910091">String</span>.class),
                                criteriaBuilder.concat(
                                        criteriaBuilder.literal(<span class="code-quote" style="color: #009100">", "</span>),
                                        root.get(Marktteilnehmer_.name)
                                )
                        )
                )
        );        
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">produces the following sql fragment (linebreaks inserted for readability: </p>
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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">
16:48:38.017 [http-bio-8443-exec-1] DEBUG org.hibernate.SQL -
select count(marktteiln0_.marktteilnehmer_id) as col_0_0_ from marktteilnehmer marktteiln0_ where lower(
decode(
        marktteiln0_.marktteilnehmer_id,
        <span class="code-keyword" style="color: #000091">null</span>,
        <span class="code-keyword" style="color: #000091">null</span>,
        marktteiln0_.name || decode(marktteiln0_.vorname||<span class="code-keyword" style="color: #000091">null</span>||<span class="code-keyword" style="color: #000091">null</span>||?||marktteiln0_.name))
) like ?
</pre>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Problem seems to be the second concat...</p>
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