[GitHub] incubator-carbondata pull request #640: Update CarbonExample.scala

[qiuchenjian-2]

GitHub user sehriff opened a pull request:

    https://github.com/apache/incubator-carbondata/pull/640

    Update CarbonExample.scala

    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:
       `[CARBONDATA-<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).
     - [ ] Testing done
     
            Please provide details on
            - Whether new unit test cases have been added or why no new tests are required?
            - What manual testing you have done?
            - Any additional information to help reviewers in testing this change.
             
     - [ ] For large changes, please consider breaking it into sub-tasks under an umbrella JIRA.
                     
    ---


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

    $ git pull https://github.com/sehriff/incubator-carbondata patch-1

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

    https://github.com/apache/incubator-carbondata/pull/640.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 #640
   
----
commit e0a342882d6acb8ca5c8df65b1782a1620c6c8df
Author: sehriff <[hidden email]>
Date:   2017-03-10T03:18:58Z

    Update CarbonExample.scala

----


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[qiuchenjian-2]

Github user CarbonDataQA commented on the issue:

    https://github.com/apache/incubator-carbondata/pull/640
 
    Can one of the admins verify this patch?


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[qiuchenjian-2]

Github user chenliang613 commented on the issue:

    https://github.com/apache/incubator-carbondata/pull/640
 
    add to whitelist


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[qiuchenjian-2]

Github user chenliang613 commented on the issue:

    https://github.com/apache/incubator-carbondata/pull/640
 
    @sehriff  Thanks for your contributions.
    Please create a JIRA issue as per the guide : https://github.com/apache/incubator-carbondata/blob/master/docs/How-to-contribute-to-Apache-CarbonData.md


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[qiuchenjian-2]

Github user CarbonDataQA commented on the issue:

    https://github.com/apache/incubator-carbondata/pull/640
 
    Build Failed  with Spark 1.6.2, Please check CI http://136.243.101.176:8080/job/ApacheCarbonPRBuilder/1069/



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[qiuchenjian-2]

Github user sehriff commented on the issue:

    https://github.com/apache/incubator-carbondata/pull/640
 
    Already create a JIRA,[CARBONDATA-755]


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[qiuchenjian-2]

Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/640#discussion_r105393496
 
    --- Diff: examples/spark/src/main/scala/org/apache/carbondata/examples/CarbonExample.scala ---
    @@ -44,7 +44,7 @@ object CarbonExample {
         // Currently there are two data loading flows in CarbonData, one uses Kettle as ETL tool
         // in each node to do data loading, another uses a multi-thread framework without Kettle (See
         // AbstractDataLoadProcessorStep)
    -    // Load data with Kettle
    +    // Load data without Kettle(by Default,use_kettle='false')
    --- End diff --
   
    I think it does not need to mention kettle, as it may be totally removed in the future


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[qiuchenjian-2]

Github user jackylk commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/640#discussion_r105393694
 
    --- Diff: examples/spark/src/main/scala/org/apache/carbondata/examples/CarbonExample.scala ---
    @@ -57,10 +57,21 @@ object CarbonExample {
                GROUP BY country
                """).show()
     
    -    // Load data without kettle
    +    // Not rebuilding table will cause the query result doubled,which is confusing.
    --- End diff --
   
    suggest to change to "clean up before creating table"


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[qiuchenjian-2]

Github user sehriff commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/640#discussion_r105523009
 
    --- Diff: examples/spark/src/main/scala/org/apache/carbondata/examples/CarbonExample.scala ---
    @@ -57,10 +57,21 @@ object CarbonExample {
                GROUP BY country
                """).show()
     
    -    // Load data without kettle
    +    // Not rebuilding table will cause the query result doubled,which is confusing.
    --- End diff --
   
    I agree.


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[qiuchenjian-2]

Github user sehriff commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/640#discussion_r105523285
 
    --- Diff: examples/spark/src/main/scala/org/apache/carbondata/examples/CarbonExample.scala ---
    @@ -44,7 +44,7 @@ object CarbonExample {
         // Currently there are two data loading flows in CarbonData, one uses Kettle as ETL tool
         // in each node to do data loading, another uses a multi-thread framework without Kettle (See
         // AbstractDataLoadProcessorStep)
    -    // Load data with Kettle
    +    // Load data without Kettle(by Default,use_kettle='false')
    --- End diff --
   
    Thank you for your reply.
    But this example really messed me up at the beginning,making me believe that use kettle or not can cause different query results.


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[qiuchenjian-2]

Github user chenliang613 commented on a diff in the pull request:

    https://github.com/apache/incubator-carbondata/pull/640#discussion_r105523770
 
    --- Diff: examples/spark/src/main/scala/org/apache/carbondata/examples/CarbonExample.scala ---
    @@ -44,7 +44,7 @@ object CarbonExample {
         // Currently there are two data loading flows in CarbonData, one uses Kettle as ETL tool
         // in each node to do data loading, another uses a multi-thread framework without Kettle (See
         // AbstractDataLoadProcessorStep)
    -    // Load data with Kettle
    +    // Load data without Kettle(by Default,use_kettle='false')
    --- End diff --
   
    Yes, your PR is valid.  I suggest : you can remove all kettle related code, make the example more clear and simple :)


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[qiuchenjian-2]

Github user chenliang613 commented on the issue:

    https://github.com/apache/incubator-carbondata/pull/640
 
    please close this PR, because you have raised another PR


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[qiuchenjian-2]

Github user sehriff closed the pull request at:

    https://github.com/apache/incubator-carbondata/pull/640


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