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


ASF GitHub Bot commented on BEAM-41:

GitHub user JingsongLi opened a pull request:

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

    $ git pull BEAM-41-42

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

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 <>
Date:   2017-02-08T09:37:15Z

    add SetState and MapState

commit 31e611177eb97f06ccf49922eacecb09cfb7d6ef
Author: JingsongLi <>
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:
>             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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