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Posted to torque-dev@db.apache.org by "Thomas Vandahl (Updated) (JIRA)" <ji...@apache.org> on 2012/03/13 13:49:37 UTC
[jira] [Updated] (TORQUE-187) Allow joins with subselects in the
FROM clause
[ https://issues.apache.org/jira/browse/TORQUE-187?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Thomas Vandahl updated TORQUE-187:
----------------------------------
Description:
It shall be possible to execute statements like
SELECT * FROM table1, (SELECT * FROM table2 WHERE xxx) t2 WHERE table1.id = t2.id
(I know this example can be rewritten as a simple join, the actual use case is more complicated)
In the case of the Criteria object, this would suggest a call sequence like
criteria.addAlias("t2", subCriteria);
criteria.addJoin("t2.id", Table1Peer.ID);
was:
It shall be possible to execute statements like
{code:sql}
SELECT * FROM table1, (SELECT * FROM table2 WHERE xxx) t2 WHERE table1.id = t2.id
{code}
(I know this example can be rewritten as a simple join, the actual use case is more complicated)
In the case of the Criteria object, this would suggest a call sequence like
{code}
criteria.addAlias("t2", subCriteria);
criteria.addJoin("t2.id", Table1Peer.ID);
{code}
> Allow joins with subselects in the FROM clause
> ----------------------------------------------
>
> Key: TORQUE-187
> URL: https://issues.apache.org/jira/browse/TORQUE-187
> Project: Torque
> Issue Type: New Feature
> Components: Runtime
> Affects Versions: 4.0
> Reporter: Thomas Vandahl
>
> It shall be possible to execute statements like
> SELECT * FROM table1, (SELECT * FROM table2 WHERE xxx) t2 WHERE table1.id = t2.id
> (I know this example can be rewritten as a simple join, the actual use case is more complicated)
> In the case of the Criteria object, this would suggest a call sequence like
> criteria.addAlias("t2", subCriteria);
> criteria.addJoin("t2.id", Table1Peer.ID);
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