Alvaro Herrera <alvherre@2ndquadrant.com> writes:
> Robert Haas escribi�:
>> I am happy to have my old patch resurrected - could become a trend.
>> But someone should probably go back and check who objected and for
>> what reasons.
> Here it is FWIW:
> http://www.postgresql.org/message-id/flat/CA+TgmoZRMNN0eVEsD-kxB9e-MvdmwoTi6guuJUvQP_8q2C5Cyg@mail.gmail.com
AFAICS the objections were "why bother with a datatype for just one
function". If we've now got multiple use-cases, that loses its force.
I'm not, however, terribly thrilled with the suggestions to add implicit
casts associated with this type. Implicit casts are generally dangerous.
regards, tom lane