Li Japin <japi...@hotmail.com> writes: > I agree with Heikki from the code execution point of view.
> In code execution point of view they are same, however, the code is for user, > i think the readability is also important. There is another consideration here, which is avoiding creating back-patching hazards from gratuitous cross-branch code differences. If you need to rewrite a chunk of logic anyway, then fixing small cosmetic issues in it is fine. Otherwise I think "leave well enough alone" is a good guiding principle. regards, tom lane