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Posted to issues@flink.apache.org by "Jark Wu (Jira)" <ji...@apache.org> on 2021/01/20 05:41:00 UTC
[jira] [Assigned] (FLINK-21042) Correct the error in the code
example in section 'aggregate-functions' of table-page 'udfs'.
[ https://issues.apache.org/jira/browse/FLINK-21042?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Jark Wu reassigned FLINK-21042:
-------------------------------
Assignee: Roc Marshal
> Correct the error in the code example in section 'aggregate-functions' of table-page 'udfs'.
> --------------------------------------------------------------------------------------------
>
> Key: FLINK-21042
> URL: https://issues.apache.org/jira/browse/FLINK-21042
> Project: Flink
> Issue Type: Improvement
> Components: Documentation, Table SQL / Ecosystem
> Affects Versions: 1.13.0, 1.12.1
> Reporter: Roc Marshal
> Assignee: Roc Marshal
> Priority: Major
> Labels: pull-request-available
>
> The markdown file location: flink/docs/dev/table/functions/udfs.md
> The target url : [https://ci.apache.org/projects/flink/flink-docs-master/dev/table/functions/udfs.html#aggregate-functions]
>
> The original content:
> *SELECT myField, WeightedAvg(value, weight) FROM MyTable GROUP BY myField*
>
> The 'value' is a reserved keyword of the flink table module,So the correct usage should to execute in back quotes .
> _*SELECT myField, WeightedAvg(`value`, weight) FROM MyTable GROUP BY myField*_
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