Andrus Adamchik created CAY-2004:
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Summary: EJBQL: Support for ordering on aggregate expressions
Key: CAY-2004
URL: https://issues.apache.org/jira/browse/CAY-2004
Project: Cayenne
Issue Type: Improvement
Reporter: Andrus Adamchik
Assignee: Andrus Adamchik
as of now EJBQLQuery is the only object query that supports data aggregation.
Yet (according to the JPA spec that we've followed originally) we can no order
query results on aggregated values. E.g. the following won't parse:
select a, count(p) from Artist a INNER JOIN a.paintings p order by count(p) DESC
Will need to add support for this feature to the grammar and runtime.
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