Hi Zheng, > >Also, I suspect that implementing it may be a bit challenging. What if we > >focus on table-level replication for now? > > I think it is due to the fact that the current limitations in logical > replication are > holding it back in major version upgrade (MVU). Online / reduced downtime MVU > is a popular request from customers, and why we should enhance logical > replication > to support this use case. > > Also I think table-level DDL replication is actually more challenging, > especially in > the FOR TABLE case, due to the fact that differences are expected to > occur between the > source and target database. Marcos’ comment also justifies the complexity > in this case. Whereas database-level DDL replication in the FOR ALL > TABLE case is > relatively simple because the source and target database are (almost) > identical.
Sure, I don't insist on implementing table-level replication first. It's up to you. My point was that it's not necessary to implement everything at once. -- Best regards, Aleksander Alekseev
