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https://issues.apache.org/jira/browse/FLINK-6810?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16397512#comment-16397512
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Fernando Díaz commented on FLINK-6810:
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Hi. I would like to work on any of these. They seem OK for a newcomer ;)
> Add Some built-in Scalar Function supported
> -------------------------------------------
>
> Key: FLINK-6810
> URL: https://issues.apache.org/jira/browse/FLINK-6810
> Project: Flink
> Issue Type: New Feature
> Components: Table API & SQL
> Affects Versions: 1.4.0
> Reporter: sunjincheng
> Assignee: sunjincheng
> Priority: Major
> Labels: starter
>
> In this JIRA, will create some sub-task for add specific scalar function,
> such as mathematical-function {{LOG}}, date-functions
> {{DATEADD}},string-functions {{LPAD}}, etc.
> I think is good way to let SQL work, and then add TableAPI to supported. So I
> suggest one scalar function create two sub-task, one is for SQL. another for
> TableAPI.
> *Note:*
> Every scalar function should add TableAPI doc in
> {{./docs/dev/table/tableApi.md#built-in-functions}}.
> Add SQL doc in {{./docs/dev/table/sql.md#built-in-functions}}.
> Welcome anybody to add the sub-task about standard database scalar function.
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