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https://issues.apache.org/jira/browse/OPENJPA-168?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#action_12480839
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Ritika Maheshwari commented on OPENJPA-168:
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Abe is there a way from selectImpl to know if this is the top select or not.For
example if EagerFetchMode set to parallel if we are trying to retrieve
Department and department is eagerly fetching Emps.Then a single user query
(select d from Department d) will produce multiple push down sqls.Now if the
user set the hint to optimize on the top level query ie select d from
Department d then it should appear only on the top level query and not the
subsequent queries.But to do so we need the ability to be able to distinguish
if this is the top select or not.Is there currently any mechanism to do this
ritika
> sql optimize n rows query hint
> ------------------------------
>
> Key: OPENJPA-168
> URL: https://issues.apache.org/jira/browse/OPENJPA-168
> Project: OpenJPA
> Issue Type: New Feature
> Reporter: David Wisneski
> Assigned To: David Wisneski
>
> There werre various comments from Patrick, Abe and Kevin Sutter about the
> code that I checked related to Optimize hint. So I have gone back and
> relooked at this and wil be making some changes. At Kevin's suggestion I
> will do this through a JIRA feature so that folks will have opportunity to
> comment on this before the code is actually done and checked in.
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