> On Mar 29, 2023, at 12:11, Sebastien Flaesch <sebastien.flaesch@xxxxxxx> wrote: > But to make PostgreSQL more Informix-compatible, zero should have been considered as well. There is an infinite family of strange features that various databases have (DUAL from Oracle, anyone?); PostgreSQL will rapidly become unusable if it tried to adopt them all. This one in particular seems particularly hacky and misguided (as well as non-standard-compliant).