Trent Shipley wrote:
An enumeration is just a computer science short-hand way to define a set and a
"native" collation for the set.
An enumeration's native collation need not be the only, or even the most
common, collation for the enumerated set of symbols.
No it's not. Many languages define enumerated types as having a fixed
ordering. It is not just a set. That is the sense in which I am using
the term. And, after all, you can always write a function that gives you
an alternative ordering. All we are building in is an ordering based in
the enumeration order, which you are at perfect liberty not to use.
Postgres lets you define an alternative operator class for any type, so
we are very flexible. People are getting way too hung up over this.
cheers
andrew
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