Sorry for misleading. After some investigation, seems UDTAGG can only used in flink table spi.
Best regards, Yuxia ----- 原始邮件 ----- 发件人: "yuxia" <luoyu...@alumni.sjtu.edu.cn> 收件人: "user-zh" <user...@flink.apache.org> 抄送: "User" <user@flink.apache.org> 发送时间: 星期四, 2022年 8 月 18日 上午 10:21:12 主题: Re: get state from window > does flink sql support UDTAGG? Yes, Flink sql support UDTAGG. Best regards, Yuxia ----- 原始邮件 ----- 发件人: "曲洋" <quyanghao...@126.com> 收件人: "user-zh" <user...@flink.apache.org>, "User" <user@flink.apache.org> 发送时间: 星期四, 2022年 8 月 18日 上午 10:03:24 主题: get state from window Hi dear engineers, I have one question: does flink streaming support getting the state.I override the open method in the map processor,initializing Hi dear engineers, One small question: does flink sql support UDTAGG? (user-defined table aggregate function), seems only supported in flink table api? If not supported in flink sql, how can I define an aggregated udf which could output multiple rows to kafka. Thanks for your help! Thanks for your help!
