[jira] Issue Comment Edited: (OPENJPA-1138) Adding the support for query targeting using a query target policy

["Anurag Rai (JIRA)" <ji...@apache.org>]

    [ https://issues.apache.org/jira/browse/OPENJPA-1138?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12722418#action_12722418 ] 

Anurag Rai edited comment on OPENJPA-1138 at 6/21/09 1:11 PM:
--------------------------------------------------------------

*.1.patch  is a cumulative patch for the issue. Target policy working for select and find. Many more test cases have been introduced. 

      was (Author: anuragrai134):
    This is a cumulative patch for the issue. Target policy working for select and find. Many more test cases have been introduced. 
  
> Adding the support for query targeting using a query target policy
> ------------------------------------------------------------------
>
>                 Key: OPENJPA-1138
>                 URL: https://issues.apache.org/jira/browse/OPENJPA-1138
>             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
>             Fix For: 2.0.0
>
>         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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