Re: How to use lookup join sql hint

Thank you for your response. But I already find the root cause, according to https://github.com/ververica/flink-sql-cookbook/blob/main/joins/04_lookup_joins/04_lookup_joins.md . The join requires one table to have a processing time attribute

Re: How to use lookup join sql hint

Could you please show us the detail exception? You can find it in FLINK_HOME/log Best regards, Yuxia 发件人: "Si-li Liu" 收件人: "User" 发送时间: 星期六, 2022年 11 月 12日 下午 4:27:54 主题: How to use lookup join sql hint I try to use this sql to insert my data to doris, and my Flink version is 1.16.0.