On Sun, Apr 14, 2024 at 9:01 PM David Rowley <dgrowle...@gmail.com> wrote: > On Mon, 15 Apr 2024 at 11:47, Peter Geoghegan <p...@bowt.ie> wrote: > > Technically we don't promise that WAL records won't change in minor > > versions. In fact, the docs specifically state that the format of any > > WAL record might change, and that users should upgrade standbys first > > on general principle (though I imagine few do). We try hard to avoid > > changing the format of WAL records in point releases, of course, but > > strictly speaking there is no guarantee. This situation seems similar > > (though much lower stakes) to me. Query normalization isn't perfect -- > > there's a trade-off.
> Where does WAL fit into this? And why would a WAL format change the > computed value? It doesn't. I just compared the two situations, which seem analogous. -- Peter Geoghegan
