Flink报错:Table sink 'a' doesn't support consuming u

Flink语法检查报错详情：org.apache.flink.table.api.TableException: Table sink 'xxx' doesn't support consuming update and delete changes which is produced by node xxx(xxx) at

org.apache.flink.table.planner.plan.optimize.traitinference.SatisfyModifyKindSetTraitVisitor.applyTraitToWrapper(SatisfyModifyKindSetTraitVisitor.java:493) at

org.apache.flink.table.planner.plan.optimize.traitinference.SatisfyModifyKindSetTraitVisitor.visit(SatisfyModifyKindSetTraitVisitor.java:345)。

报错原因：append only类型结果表存储(kafka、sls、datahub 等)无法接收上游 update(retract/撤回)记录。

解决方案：上游涉及retract，如：双流 left join、last value、last row、双层 groupAGG等，请使用支持写入update记录的 sink，如upsert kafka、rds、Hologres、hbase等支持主键更新的存储做结果表。