flink-issues mailing list archives

Site index · List index
Message view « Date » · « Thread »
Top « Date » · « Thread »
From "Robert Metzger (JIRA)" <j...@apache.org>
Subject [jira] [Updated] (FLINK-6068) Support If() as a built-in function of TableAPI
Date Mon, 20 Mar 2017 14:08:41 GMT

     [ https://issues.apache.org/jira/browse/FLINK-6068?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
]

Robert Metzger updated FLINK-6068:
----------------------------------
    Component/s: Table API & SQL

> Support If() as a built-in function of TableAPI
> -----------------------------------------------
>
>                 Key: FLINK-6068
>                 URL: https://issues.apache.org/jira/browse/FLINK-6068
>             Project: Flink
>          Issue Type: Improvement
>          Components: Table API & SQL
>            Reporter: Zhuoluo Yang
>            Assignee: Zhuoluo Yang
>
> Most sql system support if() as a built-in udf. However, we didn't register the if()
in the function category. A great many of our users use syntax 'if(a, b, c)'. Also most sql
systems support 'if(a, b, c)' syntax.
> Mysql: https://dev.mysql.com/doc/refman/5.7/en/control-flow-functions.html#function_if
> Hive: https://cwiki.apache.org/confluence/display/Hive/LanguageManual+UDF#LanguageManualUDF-ConditionalFunctions



--
This message was sent by Atlassian JIRA
(v6.3.15#6346)

Mime
View raw message