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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-8290" style="color: #3b73af; text-decoration: none"><img src="cid:jira-generated-image-static-bug-ebf72ff8-2188-4c7c-9f73-f8eff2f891ca" height="16" width="16" border="0" align="absmiddle" alt="Bug" style="vertical-align: text-bottom" /></a> <a href="https://hibernate.atlassian.net/browse/HHH-8290" style="color: #3b73af; text-decoration: none">HHH-8290</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-8290" style="color: #3b73af; text-decoration: none">Query translator generates an incorrect query with SELECT distinct + Order by + Implicit join </a> </span>
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Change By:
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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="gbadner" id="email_gbadner" href="https://hibernate.atlassian.net/secure/ViewProfile.jspa?name=gbadner" style="color:#6c797f;; color: #3b73af; text-decoration: none">Gail Badner</a>
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Fix Version/s:
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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"> <span class="diffremovedchars" style="background-color:#ffe7e7;text-decoration:line-through;">5.0.0</span>
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<table class="text-paragraph-pattern" cellspacing="0" cellpadding="0" border="0" width="100%" style="border-collapse: collapse; mso-table-lspace: 0pt; mso-table-rspace: 0pt; font-family: Arial, sans-serif; font-size: 14px; line-height: 20px; mso-line-height-rule: exactly; mso-text-raise: 2px">
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<td class="text-paragraph-pattern-container mobile-resize-text " style="padding: 0px; border-collapse: collapse; padding: 0 0 10px 0"> <span class="diffremovedchars" style="background-color: #ffe7e7; text-decoration:line-through;"><br /></span> <span class="diffcontext">This issue seems identical to HHH-172 (maybe a regression?)<br /><br />The following query :<br />select distinct prod.supplier from products prod order by prod.supplier.supplierName <br /><br />for the attached database, generates an incorrect SQL query with an extra join:<br />[Oracle]<br /> select<br /> distinct supplier1_.SUPPLIER_ID as SUPPLIER1_1_,<br /> supplier1_.SUPPLIER_NAME as SUPPLIER2_1_,<br /> supplier1_.CONTACT_NAME as CONTACT3_1_ <br /> from<br /> PRODUCTS products0_ <br /> inner join<br /> SUPPLIER supplier1_ <br /> on products0_.SUPPLIER_ID=supplier1_.SUPPLIER_ID,<br /> SUPPLIER supplier2_ <br /> where<br /> products0_.SUPPLIER_ID=supplier2_.SUPPLIER_ID <br /> order by<br /> supplier2_.SUPPLIER_NAME<br /><br />[H2]:<br /><br />SELECT DISTINCT supplier1_.SUPPLIER_ID AS SUPPLIER1_1_,<br /> supplier1_.SUPPLIER_NAME AS SUPPLIER2_1_,<br /> supplier1_.CONTACT_NAME AS CONTACT3_1_<br />FROM PUBLIC.PRODUCTS products0_<br />INNER JOIN PUBLIC.SUPPLIER supplier1_<br />ON products0_.SUPPLIER_ID=supplier1_.SUPPLIER_ID<br />CROSS JOIN PUBLIC.SUPPLIER supplier2_<br />WHERE products0_.SUPPLIER_ID=supplier2_.SUPPLIER_ID<br />ORDER BY supplier2_.SUPPLIER_NAME<br /><br /><br />I attach a test case with an auto-generated h2 database (it's a runnable netbeans project ) , but this is the output using an Oracle database:<br /><br />INFO: HHH000046: Connection properties: {user=SBUREAU_D, password=****}<br />04-jun-2013 19:00:24 org.hibernate.dialect.Dialect <init><br />INFO: HHH000400: Using dialect: org.hibernate.dialect.Oracle10gDialect<br />04-jun-2013 19:00:24 org.hibernate.engine.transaction.internal.TransactionFactoryInitiator initiateService<br />INFO: HHH000399: Using default transaction strategy (direct JDBC transactions)<br />04-jun-2013 19:00:24 org.hibernate.hql.internal.ast.ASTQueryTranslatorFactory <init><br />INFO: HHH000397: Using ASTQueryTranslatorFactory<br />Hibernate: <br /> select<br /> distinct supplier1_.SUPPLIER_ID as SUPPLIER1_1_,<br /> supplier1_.SUPPLIER_NAME as SUPPLIER2_1_,<br /> supplier1_.CONTACT_NAME as CONTACT3_1_ <br /> from<br /> PRODUCTS products0_ <br /> inner join<br /> SUPPLIER supplier1_ <br /> on products0_.SUPPLIER_ID=supplier1_.SUPPLIER_ID,<br /> SUPPLIER supplier2_ <br /> where<br /> products0_.SUPPLIER_ID=supplier2_.SUPPLIER_ID <br /> order by<br /> supplier2_.SUPPLIER_NAME<br />04-jun-2013 19:00:24 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions<br />WARN: SQL Error: 1791, SQLState: 42000<br />04-jun-2013 19:00:24 org.hibernate.engine.jdbc.spi.SqlExceptionHelper logExceptions<br />ERROR: ORA-01791: no es una expresión obtenida bajo SELECT</span>
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