Peter Eisentraut <pete...@gmx.net> writes:
> I see. The reference from pg_operator to pg_proc is by OID rather than
> function name, so I didn't find them. Is that because the function is
> overloaded?
Yeah, I suppose so --- regproc can't resolve overloaded function names.
> It's kind of odd that these are the only operators (at
> first glance) that are set up like that.
I think the customary thing when creating functions meant as operator
support is to give them unique names. These weren't done that way ...
I wasn't involved, but I wonder whether there was uncertainty as to
whether these should be documented as functions or operators.
regards, tom lane
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