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https://issues.apache.org/jira/browse/FLINK-26943?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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dalongliu reassigned FLINK-26943:
---------------------------------
Assignee: Dylan He
> Add DATE_ADD supported in SQL & Table API
> -----------------------------------------
>
> Key: FLINK-26943
> URL: https://issues.apache.org/jira/browse/FLINK-26943
> Project: Flink
> Issue Type: Sub-task
> Components: Table SQL / API
> Reporter: dalongliu
> Assignee: Dylan He
> Priority: Major
> Labels: pull-request-available
>
> Returns the date {{numDays}} after {{{}startDate{}}}.
> Syntax:
> {code:java}
> date_add(startDate, numDays) {code}
> Arguments:
> * {{{}startDate{}}}: A DATE expression.
> * {{{}numDays{}}}: An INTEGER expression.
> Returns:
> A DATE.
> If {{numDays}} is negative {{abs(num_days)}} are subtracted from
> {{{}startDate{}}}.
> If the result date overflows the date range the function raises an error.
> Examples:
>
> {code:java}
> > SELECT date_add('2016-07-30', 1);
> 2016-07-31 {code}
>
> See more:
> * [Hive|https://cwiki.apache.org/confluence/display/hive/languagemanual+udf]
> *
> [Spark|https://spark.apache.org/docs/latest/sql-ref-functions-builtin.html#date-and-timestamp-functions]
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