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https://issues.apache.org/jira/browse/FLINK-2951?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Timo Walther resolved FLINK-2951.
---------------------------------
Resolution: Fixed
Fix Version/s: 1.0
> 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
> Fix For: 1.0
>
>
> 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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