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From "Donald Woods (JIRA)" <>
Subject [jira] Updated: (OPENJPA-1138) Adding the support for query targeting using a query target policy
Date Tue, 09 Mar 2010 18:43:27 GMT


Donald Woods updated OPENJPA-1138:

    Fix Version/s:     (was: 2.0.0)

> Adding the support for query targeting using a query target policy
> ------------------------------------------------------------------
>                 Key: OPENJPA-1138
>                 URL:
>             Project: OpenJPA
>          Issue Type: New Feature
>          Components: slice
>    Affects Versions: 2.0.0
>         Environment: Windows Vista, Eclipse3.4.2,  Maven 2.1.0, Java 1.6.0_13
>            Reporter: Anurag Rai
>         Attachments: OPENJPA-1138-2.0.0-SOURCE.1.patch, OPENJPA-1138-2.0.0-SOURCE.patch,
OPENJPA-1138-2.0.0-TEST.1.patch, OPENJPA-1138-2.0.0-TEST.patch
>   Original Estimate: 336h
>  Remaining Estimate: 336h
> Slice gives us an abstraction for using horizontally partitioned databases. As of now
we use hints to set targets for a particular query if we want it to be fired on  particular
Slices(partitions). This method works fine but we need to have something which works from
outside the user code as in the case of distribution policy. If we have such a way we can
externally set targets without changing the code. Such targeting should be available for select
and find.  

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