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https://issues.apache.org/jira/browse/FLINK-7446?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16179065#comment-16179065
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ASF GitHub Bot commented on FLINK-7446:
---------------------------------------
Github user twalthr commented on a diff in the pull request:
https://github.com/apache/flink/pull/4710#discussion_r140778116
--- Diff:
flink-libraries/flink-table/src/main/scala/org/apache/flink/table/sources/definedTimeAttributes.scala
---
@@ -30,10 +30,16 @@ package org.apache.flink.table.sources
trait DefinedRowtimeAttribute {
/**
- * Defines a name of the event-time attribute that represents Flink's
- * event-time. Null if no rowtime should be available.
+ * Defines a name of the event-time attribute that represents Flink's
event-time, i.e., an
+ * attribute that is aligned with the watermarks of the table.
--- End diff --
`that is aligned with the watermarks of the underlying DataStream`?
> 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
> Assignee: Fabian Hueske
>
> 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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