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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-10491" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-0dc48acf-c9f7-4b72-9610-c11f0050e459" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-10491" style="color: #3b73af; text-decoration: none">HHH-10491</a> </td>
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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-10491" style="color: #3b73af; text-decoration: none">The JPQ/HQL entry() path expression throws exception</a> </span> </td>
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<td class="has-icon" style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <img src="cid:jira-generated-image-avatar-0dc48acf-c9f7-4b72-9610-c11f0050e459" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </td>
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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"> 5.0.7 </td>
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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"> Unassigned </td>
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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"> hibernate-core </td>
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<th style="color: #707070; font: normal 14px/20px Arial, sans-serif; text-align: left; vertical-align: top; padding: 2px 0">Created:</th>
<td style="padding: 0px; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 02/Feb/2016 05:07 AM </td>
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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="mih_vlad" id="email_mih_vlad" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=mih_vlad" style="color:#6c797f;; color: #3b73af; text-decoration: none">Vlad Mihalcea</a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0; margin-top: 0">Considering the following entities:</p>
<div class="code 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 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
@Entity(name = <span class="code-quote" style="color: #009100">"Phone"</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> class Phone {
@Id
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">Long</span> id;
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">String</span> number;
@OneToMany(mappedBy = <span class="code-quote" style="color: #009100">"phone"</span>)
@MapKey(name = <span class="code-quote" style="color: #009100">"timestamp"</span>)
@MapKeyTemporal(TemporalType.TIMESTAMP )
<span class="code-keyword" style="color: #000091">private</span> Map<Date, Call> callHistory = <span class="code-keyword" style="color: #000091">new</span> HashMap<>();
<span class="code-keyword" style="color: #000091">public</span> Phone() {}
<span class="code-keyword" style="color: #000091">public</span> Phone(<span class="code-object" style="color: #910091">String</span> number) {
<span class="code-keyword" style="color: #000091">this</span>.number = number;
}
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">Long</span> getId() {
<span class="code-keyword" style="color: #000091">return</span> id;
}
<span class="code-keyword" style="color: #000091">public</span> void setId(<span class="code-object" style="color: #910091">Long</span> id) {
<span class="code-keyword" style="color: #000091">this</span>.id = id;
}
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">String</span> getNumber() {
<span class="code-keyword" style="color: #000091">return</span> number;
}
<span class="code-keyword" style="color: #000091">public</span> Map<Date, Call> getCallHistory() {
<span class="code-keyword" style="color: #000091">return</span> callHistory;
}
<span class="code-keyword" style="color: #000091">public</span> void addCall(Call call) {
callHistory.put( call.getTimestamp(), call );
call.setPhone( <span class="code-keyword" style="color: #000091">this</span> );
}
}
@Entity(name = <span class="code-quote" style="color: #009100">"Call"</span>)
<span class="code-keyword" style="color: #000091">public</span> <span class="code-keyword" style="color: #000091">static</span> class Call {
@Id
@GeneratedValue
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">Long</span> id;
@ManyToOne
<span class="code-keyword" style="color: #000091">private</span> Phone phone;
<span class="code-keyword" style="color: #000091">private</span> Date timestamp;
<span class="code-keyword" style="color: #000091">private</span> <span class="code-object" style="color: #910091">int</span> duration;
<span class="code-keyword" style="color: #000091">public</span> Call() {}
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">Long</span> getId() {
<span class="code-keyword" style="color: #000091">return</span> id;
}
<span class="code-keyword" style="color: #000091">public</span> void setId(<span class="code-object" style="color: #910091">Long</span> id) {
<span class="code-keyword" style="color: #000091">this</span>.id = id;
}
<span class="code-keyword" style="color: #000091">public</span> Phone getPhone() {
<span class="code-keyword" style="color: #000091">return</span> phone;
}
<span class="code-keyword" style="color: #000091">public</span> void setPhone(Phone phone) {
<span class="code-keyword" style="color: #000091">this</span>.phone = phone;
}
<span class="code-keyword" style="color: #000091">public</span> Date getTimestamp() {
<span class="code-keyword" style="color: #000091">return</span> timestamp;
}
<span class="code-keyword" style="color: #000091">public</span> void setTimestamp(Date timestamp) {
<span class="code-keyword" style="color: #000091">this</span>.timestamp = timestamp;
}
<span class="code-keyword" style="color: #000091">public</span> <span class="code-object" style="color: #910091">int</span> getDuration() {
<span class="code-keyword" style="color: #000091">return</span> duration;
}
<span class="code-keyword" style="color: #000091">public</span> void setDuration(<span class="code-object" style="color: #910091">int</span> duration) {
<span class="code-keyword" style="color: #000091">this</span>.duration = duration;
}
}
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">The <tt>Phone</tt> has a <tt>Map</tt> property where the key is the <tt>Call</tt> timestamp and the value is the <tt>Call</tt> itself.</p> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">When running this path expression HQL query:</p>
<div class="code 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 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
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<pre class="code-java" style="margin: 10px 0 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
List<Map.Entry<Date, Call>> callHistory = session.createQuery(
<span class="code-quote" style="color: #009100">"select entry(ch) "</span> +
<span class="code-quote" style="color: #009100">"from Phone ph "</span> +
<span class="code-quote" style="color: #009100">"join ph.callHistory ch "</span> +
<span class="code-quote" style="color: #009100">"where ph.id = :id "</span> )
.setParameter( <span class="code-quote" style="color: #009100">"id"</span>, 1L )
.list();
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0 0">We get the following error:</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 3px 3px 3px; border-radius: 3px 3px 3px 3px; margin: 9px 0">
<div class="preformattedContent panelContent" style="padding: 9px 12px">
<pre style="margin: 10px 0 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-word; white-space: pre-wrap">Caused by: org.h2.jdbc.JdbcSQLException: Syntax error in SQL statement "SELECT CALLHISTOR1_.NULL[*] AS COL_0_0_, CALLHISTOR1_.ID AS COL_1_0_, CALLHISTOR1_.DURATION AS COL_1_1_, CALLHISTOR1_.PHONE_ID AS COL_1_2_, CALLHISTOR1_.TIMESTAMP AS COL_1_3_ FROM PHONE ORMUNITTES0_ INNER JOIN CALL CALLHISTOR1_ ON ORMUNITTES0_.ID=CALLHISTOR1_.PHONE_ID WHERE ORMUNITTES0_.ID=? "; expected "identifier"; SQL statement:
select callhistor1_.null as col_0_0_, callhistor1_.id as col_1_0_, callhistor1_.duration as col_1_1_, callhistor1_.phone_id as col_1_2_, callhistor1_.timestamp as col_1_3_ from Phone ormunittes0_ inner join Call callhistor1_ on ormunittes0_.id=callhistor1_.phone_id where ormunittes0_.id=? [42001-176]
at org.h2.message.DbException.getJdbcSQLException(DbException.java:344)
at org.h2.message.DbException.getSyntaxError(DbException.java:204)
at org.h2.command.Parser.readColumnIdentifier(Parser.java:3068)
at org.h2.command.Parser.readTermObjectDot(Parser.java:2579)
at org.h2.command.Parser.readTerm(Parser.java:2705)
at org.h2.command.Parser.readFactor(Parser.java:2244)
at org.h2.command.Parser.readSum(Parser.java:2231)
at org.h2.command.Parser.readConcat(Parser.java:2201)
at org.h2.command.Parser.readCondition(Parser.java:2051)
at org.h2.command.Parser.readAnd(Parser.java:2023)
at org.h2.command.Parser.readExpression(Parser.java:2015)
at org.h2.command.Parser.parseSelectSimpleSelectPart(Parser.java:1927)
at org.h2.command.Parser.parseSelectSimple(Parser.java:1959)
at org.h2.command.Parser.parseSelectSub(Parser.java:1853)
at org.h2.command.Parser.parseSelectUnion(Parser.java:1674)
at org.h2.command.Parser.parseSelect(Parser.java:1662)
at org.h2.command.Parser.parsePrepared(Parser.java:434)
at org.h2.command.Parser.parse(Parser.java:306)
at org.h2.command.Parser.parse(Parser.java:278)
at org.h2.command.Parser.prepareCommand(Parser.java:243)
at org.h2.engine.Session.prepareLocal(Session.java:442)
at org.h2.engine.Session.prepareCommand(Session.java:384)
at org.h2.jdbc.JdbcConnection.prepareCommand(JdbcConnection.java:1188)
at org.h2.jdbc.JdbcPreparedStatement.<init>(JdbcPreparedStatement.java:73)
at org.h2.jdbc.JdbcConnection.prepareStatement(JdbcConnection.java:276)
at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$5.doPrepare(StatementPreparerImpl.java:146)
at org.hibernate.engine.jdbc.internal.StatementPreparerImpl$StatementPreparationTemplate.prepareStatement(StatementPreparerImpl.java:172)
... 28 more
</pre>
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