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https://issues.apache.org/jira/browse/FLINK-14807?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17040585#comment-17040585
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godfrey he commented on FLINK-14807:
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Thanks for the propose, [~TsReaper].
About "What if the job restarts?" part, the sink can not guarantee the
records's order, so the REST server can not just skip the results before the
token. Maybe the REST server needs re-pull all data.
> Add Table#collect api for fetching data to client
> -------------------------------------------------
>
> Key: FLINK-14807
> URL: https://issues.apache.org/jira/browse/FLINK-14807
> Project: Flink
> Issue Type: New Feature
> Components: Table SQL / API
> Affects Versions: 1.9.1
> Reporter: Jeff Zhang
> Priority: Major
> Labels: usability
> Fix For: 1.11.0
>
> Attachments: table-collect.png
>
>
> Currently, it is very unconvinient for user to fetch data of flink job unless
> specify sink expclitly and then fetch data from this sink via its api (e.g.
> write to hdfs sink, then read data from hdfs). However, most of time user
> just want to get the data and do whatever processing he want. So it is very
> necessary for flink to provide api Table#collect for this purpose.
>
> Other apis such as Table#head, Table#print is also helpful.
>
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