wangbo opened a new issue #1626: Insert select Stmt keep the same semantics with mysql URL: https://github.com/apache/incubator-doris/issues/1626 **Question** When doing Insert Select stmt in doris,if the select stmt returns epmty set, it will returns a error which content is "all partitions have no load data". But when the same case won't happends in MySQL It's neccessary to make doris keep the same semantics with mysql **Key point:how to know Select stmt returns empty set** - When Insert Select stmt finish executing,all be fragment reports OK status to fe,the Coordinator.tabletCommitInfos is empty means Select stmt returns empty set - When Insert Select stmt finish executing,at least one fragment reports Error status to fe,then the whole stmt will return error,there is no need to check Coordinator.tabletCommitInfos **What to do when Select stmt return empty set** - set status of ConnectContext to OK and return, before method Catalog.getCurrentGlobalTransactionMgr().commitAndPublishTransaction,this will skip checking Coordinator.tabletCommitInfos,and error won't happen
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