On Mon, Jan 31, 2022 at 7:36 PM Robert Haas <robertmh...@gmail.com> wrote:
>
> On Mon, Jan 31, 2022 at 9:04 AM Robert Haas <robertmh...@gmail.com> wrote:
> > On Mon, Jan 31, 2022 at 12:29 AM Dilip Kumar <dilipbal...@gmail.com> wrote:
> > > the main one currently we do not have uint8 data
> > > type only int8 is there so I have used int8 for storing relfilenode +
> > > forknumber.
> >
> > I'm confused. We use int8 in tons of places, so I feel like it must exist.
>
> Rather, we use uint8 in tons of places, so I feel like it must exist.

Hmm, at least pg_type doesn't have anything with a name like uint8.

postgres[101702]=# select oid, typname from pg_type where typname like '%int8';
 oid  | typname
------+---------
   20 | int8
 1016 | _int8
(2 rows)

postgres[101702]=# select oid, typname from pg_type where typname like '%uint%';
 oid | typname
-----+---------
(0 rows)

I agree that we are using 8 bytes unsigned int multiple places in code
as uint64.  But I don't see it as an exposed data type and not used as
part of any exposed function.  But we will have to use the relfilenode
in the exposed c function e.g.
binary_upgrade_set_next_heap_relfilenode().

-- 
Regards,
Dilip Kumar
EnterpriseDB: http://www.enterprisedb.com


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