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From "Fabian Hueske (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (FLINK-7446) Support to define an existing field as the rowtime field for TableSource
Date Thu, 17 Aug 2017 20:37:00 GMT

    [ https://issues.apache.org/jira/browse/FLINK-7446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16131261#comment-16131261
] 

Fabian Hueske commented on FLINK-7446:
--------------------------------------

I think the existing {{DefinedRowtimeAttribute}} interface can be used for that as well. If
the field name returned by {{DefinedRowtimeAttribute.getRowtimeAttribute()}} is included in
the field names returned by {{TableSource}} we can use the existing field as time indicator
attribute.

> Support to define an existing field as the rowtime field for TableSource
> ------------------------------------------------------------------------
>
>                 Key: FLINK-7446
>                 URL: https://issues.apache.org/jira/browse/FLINK-7446
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API & SQL
>            Reporter: Jark Wu
>
> Currently {{DefinedRowtimeAttribute}} can define an appended rowtime field for a {{TableSource}}.
But it would be helpful if we can support to define an existing field as the rowtime field.
Just like registering a DataStream, the rowtime field can be appended but also can replace
an existing field.



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