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Posted to issues@flink.apache.org by "sunjincheng (JIRA)" <ji...@apache.org> on 2017/06/02 08:30:04 UTC

[jira] [Updated] (FLINK-6811) Add DATEADD as build-in scalar function

     [ https://issues.apache.org/jira/browse/FLINK-6811?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

sunjincheng updated FLINK-6811:
-------------------------------
    Summary: Add DATEADD as build-in scalar function  (was: Add DATEADD/DATESUB/DATEDIFF as build-in scalar function)

> Add DATEADD as build-in scalar function
> ---------------------------------------
>
>                 Key: FLINK-6811
>                 URL: https://issues.apache.org/jira/browse/FLINK-6811
>             Project: Flink
>          Issue Type: Sub-task
>          Components: Table API & SQL
>            Reporter: sunjincheng
>            Assignee: sunjincheng
>
> * Syntax
> DATEADD (datepart , number , date )  
> -datepart
> Is the part of date to which an integer number is added. 
> -number
> Is an expression that can be resolved to an int that is added to a datepart of date
> -date
> Is an expression that can be resolved to a time.
> * Example
> SELECT DATEADD(month, 1, '2017-05-31')  from tab; --> 2017-06-30 00:00:00.000



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