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Posted to issues@flink.apache.org by "Timo Walther (JIRA)" <ji...@apache.org> on 2016/09/08 07:59:20 UTC

[jira] [Commented] (FLINK-4598) Support NULLIF in Table API

    [ https://issues.apache.org/jira/browse/FLINK-4598?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15473139#comment-15473139 ] 

Timo Walther commented on FLINK-4598:
-------------------------------------

I wonder if we have to support all functions in the Table API that are supported in SQL. Because SQL has a very large amount of functions while the Table API currently has only the very basic ones. Is {{NULLIF}} a function that is needed very often? We can support it in the Table API, I'm just worried about the large amount of implicit functions.

> Support NULLIF  in Table API
> ----------------------------
>
>                 Key: FLINK-4598
>                 URL: https://issues.apache.org/jira/browse/FLINK-4598
>             Project: Flink
>          Issue Type: New Feature
>          Components: Table API & SQL
>            Reporter: Jark Wu
>            Assignee: Jark Wu
>
> This could be a subtask of [FLINK-4549]. As Flink SQL has supported {{NULLIF}} implicitly. We should support it in Table API.



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