[ 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)