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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEAM-2288) Refine DSL interface
Date Sun, 14 May 2017 18:11:04 GMT

    [ https://issues.apache.org/jira/browse/BEAM-2288?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16009810#comment-16009810
] 

ASF GitHub Bot commented on BEAM-2288:
--------------------------------------

GitHub user XuMingmin opened a pull request:

    https://github.com/apache/beam/pull/3137

    [BEAM-2288] Refine DSL interface

    Refine DSL interface as design doc of BEAM-2010:
    1. rename BeamSqlRunner to BeamSQLEnvironment;
    2. Move pipeline as external parameter, to integrate with none-DSL components;
    
    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`.
     - [ ] 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.pdf).
    
    ---


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

    $ git pull https://github.com/XuMingmin/beam BEAM-2288

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

    https://github.com/apache/beam/pull/3137.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 #3137
    
----
commit 4d7f78679008edd04da2006cdaba3336de799a43
Author: mingmxu <mingmxu@ebay.com>
Date:   2017-05-14T18:02:37Z

    Refine DSL interface as design doc of BEAM-2010:
    1. rename BeamSqlRunner to BeamSQLEnvironment;
    2. Move pipeline as external parameter, to integrate with none-DSL components;

----


> Refine DSL interface
> --------------------
>
>                 Key: BEAM-2288
>                 URL: https://issues.apache.org/jira/browse/BEAM-2288
>             Project: Beam
>          Issue Type: Improvement
>          Components: dsl-sql
>            Reporter: Xu Mingmin
>            Assignee: Xu Mingmin
>
> As part of BEAM-2010, it update the interface to explain SQL query, to link with Pipeline,
so below part is supported:
> {code}
> //prepare environment of BeamSQL
> BeamSQLEnvironment sqlEnv = BeamSQLEnvironment.create();
> //register table metadata
> sqlEnv.addTableMetadata(String tableName, BeamSqlTable tableMetadata);
> //register UDF
> sqlEnv.registerUDF(String functionName, Method udfMethod);
> //explain a SQL statement, SELECT only, and return as a PCollection;
> PCollection<BeamSQLRow> phase1Stream = sqlEnv.explainSQL(pipeline, String sqlStatement);
> {code}



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