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Date: Tue, 30 Oct 2007 13:15:51 -0700 (PDT)
From: "Craig Russell (JIRA)" <jira@apache.org>
To: jdo-dev@db.apache.org
Subject: [jira] Commented: (JDO-446) Add subqueries APIs
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    [ https://issues.apache.org/jira/browse/JDO-446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12538901 ] 

Craig Russell commented on JDO-446:
-----------------------------------

Here's what the spec currently says about Map method:
The Map version of the method treats the key of each map entry as the name of the parameter in the subquery, with or without the leading ":", and the value as the name of the expression in the outer query. If the trimmed expression is the empty String for either the parameter or the value of the String[], or for any map key or value, that expression is ignored.

And for the Object... method:
The String[] version of the method binds the named expressions in turn to parameters in the order in which they are declared in the subquery, or in the order they are found in the filter if not explicitly declared in the subquery. 

> Add subqueries APIs
> -------------------
>
>                 Key: JDO-446
>                 URL: https://issues.apache.org/jira/browse/JDO-446
>             Project: JDO
>          Issue Type: New Feature
>          Components: api2, api2-legacy
>    Affects Versions: JDO 2 final
>            Reporter: Michelle Caisse
>            Assignee: Michael Bouschen
>             Fix For: JDO 2 maintenance release 1
>
>         Attachments: Query-patch.txt, subquery-api.patch
>
>
> In 14, add subqueries to permit e.g. select from Employee where this.salary > (select avg(salary) from Employee)

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