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From "sunjincheng (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-6811) Add DATEADD/DATESUB/DATEDIFF as build-in scalar function
Date Fri, 02 Jun 2017 08:27:04 GMT

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

sunjincheng updated FLINK-6811:
-------------------------------
    Description: 
* 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

  was:
* 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


> Add DATEADD/DATESUB/DATEDIFF 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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