[ https://issues.apache.org/jira/browse/KYLIN-5694?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Xiaoxiang Yu updated KYLIN-5694: -------------------------------- Fix Version/s: (was: 5.0-beta) > Concat function supports 0 or 1 parameter > ----------------------------------------- > > Key: KYLIN-5694 > URL: https://issues.apache.org/jira/browse/KYLIN-5694 > Project: Kylin > Issue Type: Bug > Components: Query Engine > Affects Versions: 5.0-alpha > Reporter: Yaguang Jia > Assignee: Yaguang Jia > Priority: Minor > > h2. Design > Kylin5 currently does not support UDFs with only one parameter. However, > Spark and Hive do support it. Additionally, it has been verified that Spark > and Hive also support concat with zero parameters. Here, we are adding > support for Kylin5 to handle both zero and one parameter cases. > > ---- > > Kylin5当前自定义的 udf 不支持一个参数的。但是 spark 和 hive 支持。同时还验证了一下 spark 和 hive 还支持 concat > 为0 个参数的情况。这里对增加Kylin5对0个和1个参数的支持。 -- This message was sent by Atlassian Jira (v8.20.10#820010)