?

Exception in thread "main" org.apache.flink.table.api.TableException: toAppendStream doesn't support consuming update changes which is produced by node GroupAggregate(groupBy=[amount, product, user], select=[amount, product, user])

解決方案:

? ? ? ? tEnv.toAppendStream(result, Row.class).print();
? ? ? ? env.execute();

改成:

? ? ? ? tEnv.toRetractStream(result, Row.class).print();
? ? ? ? env.execute();

?

總結

以上是生活随笔為你收集整理的toAppendStream doesn‘t support consuming update changes which is produced by node GroupAggregate的全部內容，希望文章能夠幫你解決所遇到的問題。

如果覺得生活随笔網站內容還不錯，歡迎將生活随笔推薦給好友。