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From "ASF GitHub Bot (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-2951) Add Union operator to Table API.
Date Mon, 02 Nov 2015 12:47:27 GMT

    [ https://issues.apache.org/jira/browse/FLINK-2951?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14985166#comment-14985166

ASF GitHub Bot commented on FLINK-2951:

Github user twalthr commented on the pull request:

    The code looks good except the tests that write to disk instead of using `collect()`.
    Could you also update the Table API documentation for the new operator?

> Add Union operator to Table API.
> --------------------------------
>                 Key: FLINK-2951
>                 URL: https://issues.apache.org/jira/browse/FLINK-2951
>             Project: Flink
>          Issue Type: New Feature
>          Components: Documentation, Table API
>            Reporter: Chengxiang Li
>            Assignee: Chengxiang Li
>            Priority: Minor
> Currently, union operation is supported by DataSet/DataStream API, not available in Table
API. To union two tables, user has to transform the parameter input to DataSet/DataStream,
for example:
> {code:java}
> val unionDs = left.union(right.toDataSet[Row])
> {code}
> It should be more API friendly to user if add union operation to Table API, like:
> {code:java}
> val unionDs = left.union(right)
> {code}

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