On Thu, Apr 19, 2018 at 12:00 PM, Robert Haas <robertmh...@gmail.com> wrote: > On Thu, Apr 19, 2018 at 1:20 PM, Alvaro Herrera <alvhe...@alvh.no-ip.org> > wrote: >> How about simply relaxing the tdtypeid test from equalTupleDescs? I >> haven't looked deeply but I think just checking whether or not both are >> RECORDOID might be sufficient, for typecache purposes. > > That strike me as a very scary thing to do. There's code all over the > system that may have non-obvious assumptions about the behavior of > equalTupleDescs(), and I don't think we can have any confidence that > nothing will break unless we do a detailed audit of all that code.
+1. I think that it is plainly a bad idea to do something like that at this point in the cycle. -- Peter Geoghegan