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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-9432" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-c69cceff-cfce-4504-8654-219743ddcbec" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-9432" style="color: #3b73af; text-decoration: none">HHH-9432</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-9432" style="color: #3b73af; text-decoration: none">Generated Query causes SQL-syntax exception</a> </span>
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Issue Type:
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Affects Versions:
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4.3.6
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Unassigned
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Components:
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envers
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Created:
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05/Oct/2014 12:59 PM
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Environment:
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4.3.6, mysql and oracle
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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="ulkitz" id="email_ulkitz" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=ulkitz" style="color:#6c797f;; color: #3b73af; text-decoration: none">Ulrich Kitzinger</a>
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<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">I have three classes A, B and C; C is derived from B, both classes are mapped to the same table. A has an audited 1:n relation to C with an additional Where-clause; A is audited, C is not. No when I search for an audited version of A and try to access the C's of A, I get an SQL-syntax exception:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Class A:<br /> package com.sample;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">import java.util.Set;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">import javax.annotation.Generated;<br /> import javax.persistence.Column;<br /> import javax.persistence.Entity;<br /> import javax.persistence.GeneratedValue;<br /> import javax.persistence.Id;<br /> import javax.persistence.JoinColumn;<br /> import javax.persistence.OneToMany;<br /> import javax.persistence.Table;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">import org.hibernate.annotations.Where;<br /> import org.hibernate.envers.AuditJoinTable;<br /> import org.hibernate.envers.Audited;<br /> import org.hibernate.envers.RelationTargetAuditMode;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">@Entity<br /> @Audited<br /> @Table(name="A_tab")<br /> public class A {<br /> @Id<br /> @GeneratedValue<br /> @Column(name="id")<br /> Long id;<br /> @Column(name="name" )<br /> String name;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> @OneToMany<br /> @JoinColumn(name="allC")<br /> @Where(clause = "TYPE = 'C'")<br /> @Audited(targetAuditMode = RelationTargetAuditMode.NOT_AUDITED)<br /> @AuditJoinTable(name="A_C_AUD")<br /> Set<C> allMyC;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> public Long getId() </p> { return id; }<br /> private void setId(Long id) { this.id = id; }<br /> public String getName() { return name; }<br /> public void setName(String name) { this.name = name; }<br /> <br /> public Set<C> getAllMyC() { return allMyC; }<br /> public void setAllMyC(Set<C> allC) { this.allMyC = allC; }<br /> } <br /> <br /> <br /> =============================<br /> <br /> Class B:<br /> package com.sample;<br /> <br /> import javax.persistence.Column;<br /> import javax.persistence.DiscriminatorColumn;<br /> import javax.persistence.DiscriminatorType;<br /> import javax.persistence.DiscriminatorValue;<br /> import javax.persistence.Entity;<br /> import javax.persistence.GeneratedValue;<br /> import javax.persistence.Id;<br /> import javax.persistence.Table;<br /> <br /> import org.hibernate.envers.Audited;<br /> <br /> @Entity<br /> @Table(name="B_tab")<br /> @Audited<br /> @DiscriminatorColumn(<br /> name="type",<br /> discriminatorType=DiscriminatorType.STRING<br /> )<br /> @DiscriminatorValue(value="B")<br /> public class B {<br /> <br /> @Id<br /> @GeneratedValue<br /> @Column(name="id")<br /> Long id;<br /> <br /> @Column(name="name" )<br /> String name;<br /> <br /> public Long getId() { return id; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> private void setId(Long id) </p> { this.id = id; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> public String getName() </p> { return name; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0"> public void setName(String name) </p> { this.name = name; }
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">}</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">=============================</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Class C:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">package com.sample;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">import javax.persistence.DiscriminatorValue;<br /> import javax.persistence.Entity;</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">@Entity<br /> @DiscriminatorValue(value="C")<br /> public class C extends B {</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">}</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">=============================<br /> Searching for rev. 2 of an A with id 2:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">AuditReader reader = AuditReaderFactory.get(session);<br /> A ainst = reader.find(A.class, (long)2, 2);<br /> Set<C> allC = ainst.getAllMyC(); // Here the problem occurs<br /> System.out.println(allC.isEmpty());</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">In line three I get an exception:</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">WARN: SQL Error: 1054, SQLState: 42S22<br /> 05.10.2014 21:35:12 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions<br /> ERROR: Unknown column 'a_c_aud0_.TYPE' in 'where clause'</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">Thats correct, because the table of class B contains a column "TYPE", but the table for auditing the relation does not. The sql is</p>
<p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">"select a_c_aud0_.REV as col_0_0_, a_c_aud0_.allC as col_0_1_, a_c_aud0_.id as col_0_2_, c1_.id as col_1_0_ from A_C_AUD a_c_aud0_ cross join B_tab c1_ where ( a_c_aud0_.TYPE = 'C') and c1_.type='C' and a_c_aud0_.id=c1_.id and a_c_aud0_.allC=? and a_c_aud0_.REV=(select max(a_c_aud2_.REV) from A_C_AUD a_c_aud2_ where ( a_c_aud2_.TYPE = 'C') and a_c_aud2_.REV<=? and a_c_aud0_.allC=a_c_aud2_.allC and a_c_aud0_.id=a_c_aud2_.id) and a_c_aud0_.REVTYPE<>?"</p>
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