Hi Timo, Got it, thanks
Timo Walther <twal...@apache.org> 于 2020年11月10日周二 22:39写道： > Hi, > > unfortunately, we currently don't provide any upgrading guarantees for > SQL. In theory we could add a possibility to add operator uids, however, > this will not help much because the underlying SQL operators or better > optimization rules that create a smarter pipeline could change the > entire topology with every major Flink version upgrade. > > Regards, > Timo > > On 10.11.20 10:15, Yi Tang wrote: > > Hi folks, > > > > A question about changing the topology while upgrading a job submitted > > by SQL. > > Is it possible for now? > > > > Looks like if we want to recover a job from a savepoint, it requires the > > uid of the operator matches the corresponding one in the state. The > > automatically generated uid depends largely on the topology, right? So > > we would better assign the uid manually which can not be achieved using > SQL? > > > > Thanks > >
