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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-41) State for "Set" data, supporting efficient membership checks
Date Wed, 08 Feb 2017 09:43:41 GMT

    [ https://issues.apache.org/jira/browse/BEAM-41?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15857733#comment-15857733
] 

ASF GitHub Bot commented on BEAM-41:
------------------------------------

GitHub user JingsongLi opened a pull request:

    https://github.com/apache/beam/pull/1950

    [BEAM-41,BEAM-42] State for "Set" data and "Map" data

    Be sure to do all of the following to help us incorporate your contribution
    quickly and easily:
    
     - [ ] Make sure the PR title is formatted like:
       `[BEAM-<Jira issue #>] Description of pull request`
     - [ ] Make sure tests pass via `mvn clean verify`. (Even better, enable
           Travis-CI on your fork and ensure the whole test matrix passes).
     - [ ] Replace `<Jira issue #>` in the title with the actual Jira issue
           number, if there is one.
     - [ ] If this contribution is large, please file an Apache
           [Individual Contributor License Agreement](https://www.apache.org/licenses/icla.txt).
    
    ---


You can merge this pull request into a Git repository by running:

    $ git pull https://github.com/JingsongLi/beam BEAM-41-42

Alternatively you can review and apply these changes as the patch at:

    https://github.com/apache/beam/pull/1950.patch

To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:

    This closes #1950
    
----
commit dc770531ff83c1616b5080a0852ad3c0266fe0d0
Author: JingsongLi <lzljs3620320@aliyun.com>
Date:   2017-02-08T09:37:15Z

    add SetState and MapState

commit 31e611177eb97f06ccf49922eacecb09cfb7d6ef
Author: JingsongLi <lzljs3620320@aliyun.com>
Date:   2017-02-08T09:42:20Z

    Merge remote-tracking branch 'upstream/master' into BEAM-41-42

----


> State for "Set" data, supporting efficient membership checks
> ------------------------------------------------------------
>
>                 Key: BEAM-41
>                 URL: https://issues.apache.org/jira/browse/BEAM-41
>             Project: Beam
>          Issue Type: New Feature
>          Components: beam-model
>            Reporter: Kenneth Knowles
>            Assignee: Jingsong Lee
>            Priority: Minor
>              Labels: State
>
> Analogous to how BagState supports efficient blind writes, a SetState would support efficient
membership checking without reading the entire set.



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