Re: [HACKERS] Decimal64 and Decimal128

On Thu, Jun 15, 2017 at 10:27 PM, Thomas Munro
<thomas.munro@enterprisedb.com> wrote:
> 1.  They are fixed size, and DECFLOAT(9) [= 32 bit] and DECFLOAT(17)
> [= 64 bit] could in theory be passed by value.  Of course we don't
> have a way to make those pass-by-value and yet pass DECFLOAT(34) [=
> 128 bit] by reference!  That is where I got stuck last time I was
> interested in this subject, because that seems like the place where we
> would stand to gain a bunch of performance, and yet the limited
> technical factors seems to be very well baked into Postgres.

I feel like these would logically just be different types, like int4
and int8 are.  We don't have integer(9) and integer(18).

-- 
Robert Haas
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