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https://issues.apache.org/jira/browse/FLINK-10676?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16679151#comment-16679151
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ASF GitHub Bot commented on FLINK-10676:
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sunjincheng121 commented on issue #6949: [FLINK-10676][table] Add 'as' method
for OverWindowWithOrderBy
URL: https://github.com/apache/flink/pull/6949#issuecomment-436838520
CI find
`JobManagerHAProcessFailureRecoveryITCase.testDispatcherProcessFailure:331 »
IllegalArgument` test fail which looks no relation with this PR. I'll check it,
then merge this PR.
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> Add 'as' method for OverWindowWithOrderBy in Java API
> -----------------------------------------------------
>
> Key: FLINK-10676
> URL: https://issues.apache.org/jira/browse/FLINK-10676
> Project: Flink
> Issue Type: Improvement
> Components: Table API & SQL
> Affects Versions: 1.7.0
> Reporter: sunjincheng
> Assignee: Hequn Cheng
> Priority: Major
> Labels: pull-request-available
> Fix For: 1.7.0
>
>
> The preceding clause of OVER Window in the traditional database is optional.
> The default is UNBOUNDED. So we can add the "as" method to
> OverWindowWithOrderBy. This way OVERWindow is written more easily. e.g.:
> {code:java}
> .window(Over partitionBy 'c orderBy 'proctime preceding UNBOUNDED_ROW as
> 'w){code}
> Can be simplified as follows:
> {code:java}
> .window(Over partitionBy 'c orderBy 'proctime as 'w){code}
> What do you think?
>
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