Robert Haas <robertmh...@gmail.com> wrote: > I dowanna rework the type system. I'm not even 100% sure I want > to implement what I actually proposed. I do want to find out if > people think the framework makes sense and whether it's the right > way forward for those projects that need these features. What you proposed sounds like it would be cleaner and less work than further perverting the index system as a source of information about types or hard-coding knowledge anywhere else. > What you're proposing here sounds suspiciously like something that > should be handled by creating domains Not really. Unless I've missed something domains are a single-level layer over a data type. I find them very useful and use them heavily, but the standard implementation is rather limited. Perhaps that would be the area to add the functionality I suggested, though. I'm totally at the hand-waving stage on it, with no concrete ideas. I just thought that if you were adding more type information, oriented aournd the types themselves rather than index AMs, some form of inheritence might fit in gracefully. > in any case it's almost entirely unrelated to what I was talking > about. OK -Kevin
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