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<td class="page-title-pattern-first-line " style="padding: 0; border-collapse: collapse; font-family: Arial, sans-serif; font-size: 14px; padding-top: 10px"> <a href="https://hibernate.atlassian.net/browse/HHH?atlOrigin=eyJpIjoiOTY0MDRlMTE1MjE1NDEzZjllOWEzMzc2NzcyM2FhNWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Hibernate ORM</a> / <a href="https://hibernate.atlassian.net/browse/HHH-13612?atlOrigin=eyJpIjoiOTY0MDRlMTE1MjE1NDEzZjllOWEzMzc2NzcyM2FhNWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-avatar-8e3e0789-9bdb-49dc-8974-f96032c9a14b" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"></a> <a href="https://hibernate.atlassian.net/browse/HHH-13612?atlOrigin=eyJpIjoiOTY0MDRlMTE1MjE1NDEzZjllOWEzMzc2NzcyM2FhNWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">HHH-13612</a> </td>
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<td style="vertical-align: top;; padding: 0; 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-13612?atlOrigin=eyJpIjoiOTY0MDRlMTE1MjE1NDEzZjllOWEzMzc2NzcyM2FhNWEiLCJwIjoiaiJ9" style="color: #3b73af; text-decoration: none">Quoted table name in FROM clause in @Formula gets wrongly qualified with generated alias</a> </span> </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">Issue Type:</th>
<td class="has-icon" style="padding: 0; 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-8e3e0789-9bdb-49dc-8974-f96032c9a14b" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom"> Bug </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">Affects Versions:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 5.4.5 </td>
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<td style="padding: 0; 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: 0; 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: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> 03/Sep/2019 13:04 PM </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">Environment:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> HSQLDB </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">Reporter:</th>
<td style="padding: 0; border-collapse: collapse; font: normal 14px/20px Arial, sans-serif; padding: 2px 0 2px 5px; vertical-align: top"> <a class="user-hover" rel="mariuskleber" style="color:#6c797f;; color: #3b73af; text-decoration: none" id="email_mariuskleber" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?accountId=557058%3Ace03a44f-1826-4c69-8b75-43d36df84ffb"> Marius Kleber </a> </td>
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0; border-collapse: collapse; padding: 0 0 10px"> <h3 style="margin: 10px 0 0; margin-top: 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0; margin-top: 0"><a name="SUMMARY" style="color: #3b73af; text-decoration: none"></a>SUMMARY</h3> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">An entity attribute mapped with the <tt>@Formula</tt> annotation that contains a subselect as value, that in turn contains a table name in the FROM clause which is quoted, leads to a wrongly generated SQL. Quoting the table name in the FROM clause may be necessary depending on the underlying DBMS, if the table name is also a reserved keyword. In my case it's a table named <tt>transaction</tt> (as in the SQL keyword) that needs quoting for the underlying HSQLDB.</p> <h3 style="margin: 10px 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0"><a name="STEPSTOREPRODUCE" style="color: #3b73af; text-decoration: none"></a>STEPS TO REPRODUCE</h3>
<ol>
<li>Map an entity attribute via the <tt>@Formula</tt> annotation and set the following query as value: <tt>(SELECT t.value_a FROM \"table\" t WHERE t.value_b = outer_value)</tt></li>
<li>Trigger a load of such an entity</li>
</ol> <h3 style="margin: 10px 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0"><a name="EXPECTEDRESULT" style="color: #3b73af; text-decoration: none"></a>EXPECTED RESULT</h3> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Generation of the following SQL: <br> <tt>select ..., (SELECT t.value_a FROM "table" t WHERE t.value_b = outerTable0_.outer_value) as formula0_ from OuterTable outerTable0_ ...</tt><br> Note that the quoted table name in the FROM clause in the subselect is not qualified with the generated alias from the outer table, but verbatim.</p> <h3 style="margin: 10px 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0"><a name="ACTUALRESULT" style="color: #3b73af; text-decoration: none"></a>ACTUAL RESULT</h3> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Generation of the following SQL: <br> <tt>select ..., (SELECT t.value_a FROM outerTable0_."table" t WHERE t.value_b = outerTable0_.outer_value) as formula0_ from OuterTable outerTable0_ ...</tt><br> Note that the quoted table name in the FROM clause in the subselect is qualified with the generated alias from the outer table.</p> <h3 style="margin: 10px 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0"><a name="MOREDETAILS" style="color: #3b73af; text-decoration: none"></a>MORE DETAILS</h3> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">Omitting the quotes for the table name leads to an exception if HSQLDB is used as DBMS: <tt>org.hsqldb.HsqlException: unexpected token: SELECT</tt>. It seems that HSQLDB can't handle the unquoted use of the SQL keyword <tt>transaction</tt> in the FROM clause and thus fails to compile the subselect (see e.g. <a href="https://sourceforge.net/p/hsqldb/discussion/73674/thread/33dea69d/" class="external-link" rel="nofollow" style="color: #3b73af; text-decoration: none">this</a> discussion for a similar example). Properly quoting the table name helps. This has been verified via overwriting the wrong qualification in the generated SQL at runtime.<br> PostgreSQL on the other hand handles the unquoted use well.</p> <h3 style="margin: 10px 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0"><a name="REPRODUCERTESTCASE" style="color: #3b73af; text-decoration: none"></a>REPRODUCER TEST CASE</h3>
<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; border-radius: 3px; margin: 9px 0">
<div class="codeHeader panelHeader" style="border-bottom-width: 1px;; border-bottom: 1px solid #cccccc; padding: 9px 12px">
<b>org.hibernate.sql.TemplateTest</b>
</div>
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
...
@Test
<span class="code-keyword" style="color: #000091">public</span> void testQuotedTableNameNotQualified() {
<span class="code-object" style="color: #910091">String</span> fragment = <span class="code-quote" style="color: #009100">"(SELECT t.value_a FROM \"</span>table\<span class="code-quote" style="color: #009100">" t WHERE t.value_b = outer_value)"</span>;
<span class="code-object" style="color: #910091">String</span> template = Template.renderWhereStringTemplate( fragment, Template.TEMPLATE, DIALECT, FUNCTION_REGISTRY );
assertEquals(<span class="code-quote" style="color: #009100">"(SELECT t.value_a FROM \"</span>table\<span class="code-quote" style="color: #009100">" t WHERE t.value_b = "</span> + Template.TEMPLATE + <span class="code-quote" style="color: #009100">".outer_value)"</span>, template);
}
...
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">The test case fails on 5.3.7.Final and on 5.4.5-SNAPSHOT.</p> <h3 style="margin: 10px 0 0; font-size: 16px; line-height: 1.563; margin: 30px 0 0"><a name="PROPOSEDFIX" style="color: #3b73af; text-decoration: none"></a>PROPOSED FIX</h3>
<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; border-radius: 3px; margin: 9px 0">
<div class="codeHeader panelHeader" style="border-bottom-width: 1px;; border-bottom: 1px solid #cccccc; padding: 9px 12px">
<b>org.hibernate.sql.Template</b>
</div>
<div class="codeContent panelContent" style="padding: 9px 12px">
<pre class="code-java" style="margin: 10px 0 0; margin-top: 0; max-height: 30em; overflow: auto; white-space: pre-wrap; word-wrap: normal">
--- hibernate-core/src/main/java/org/hibernate/sql/Template.java (revision ea301a7084fbbde81b749e64908369aa382d0962)
+++ hibernate-core/src/main/java/org/hibernate/sql/Template.java (date 1567533972000)
@@ -193,7 +193,7 @@
isOpenQuote = <span class="code-keyword" style="color: #000091">false</span>;
}
- <span class="code-keyword" style="color: #000091">if</span> ( isOpenQuote ) {
+ <span class="code-keyword" style="color: #000091">if</span> ( isOpenQuote && !inFromClause ) {
result.append( placeholder ).append( <span class="code-quote" style="color: #009100">'.'</span> );
}
}
</pre>
</div>
</div> <p style="margin-top:0;margin-bottom:10px;; margin: 10px 0 0">The fix is probably not the best solution as there may be use cases that require qualification in the FROM clause.</p> </td>
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