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Posted to dev@cayenne.apache.org by "Andrus Adamchik (JIRA)" <de...@cayenne.apache.org> on 2008/05/06 22:44:52 UTC
[jira] Closed: (CAY-560) Add support for outer joins
[ https://issues.apache.org/cayenne/browse/CAY-560?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrus Adamchik closed CAY-560.
-------------------------------
Resolution: Fixed
Fix Version/s: (was: 1.2 [STABLE])
3.0
> Add support for outer joins
> ---------------------------
>
> Key: CAY-560
> URL: https://issues.apache.org/cayenne/browse/CAY-560
> Project: Cayenne
> Issue Type: New Feature
> Components: Cayenne Core Library
> Reporter: Øyvind Harboe
> Assignee: Mike Kienenberger
> Fix For: 3.0
>
> Attachments: 1.2-outerjoin-null-2006-09-05-01.txt, cayenne-2.0-patch-outerjoin-null-audit-customexp.txt
>
>
> Currently outer joins are not supported.
> See thread:
> http://objectstyle.org/cayenne/lists/cayenne-user/2006/05/0165.html
> // This Java code will result in the SQL query immediately below...
> SelectQuery query1=new SelectQuery(ElcRole.class);
> query1.setQualifier(ExpressionFactory.matchExp(ElcRole.ELC_ROLEMEMBER_ARRAY_PROPERTY + "." + ElcRolemember.TO_SYS_USER_PROPERTY, getSysUser()).
> orExp(ExpressionFactory.matchExp(ElcRole.TO_SYS_USER_PROPERTY, getSysUser())));
> List l=context.performQuery(query1);
> Generates =>
>
> SELECT DISTINCT t0.ELCROLE_NAME, t0.ELCROLE_ID, t0.SYSUSER_ID
> FROM ELC_ROLE t0 LEFT OUTER JOIN
> ELC_ROLEMEMBER t1 ON t0.ELCROLE_ID = t1.ELCROLE_ID
> WHERE (t1.SYSUSER_ID = 'BD93F348-8C02-4742-BA97-2456E5CD3881') OR
> (t0.SYSUSER_ID = 'BD93F348-8C02-4742-BA97-2456E5CD3881')
> But should(?) have generated =>
> SELECT DISTINCT t0.ELCROLE_NAME, t0.ELCROLE_ID, t0.SYSUSER_ID
> FROM ELC_ROLE t0 LEFT OUTER JOIN
> ELC_ROLEMEMBER t1 ON t0.ELCROLE_ID = t1.ELCROLE_ID
> WHERE (t1.SYSUSER_ID = 'BD93F348-8C02-4742-BA97-2456E5CD3881') OR
> (t0.SYSUSER_ID = 'BD93F348-8C02-4742-BA97-2456E5CD3881')
>
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