| From: | Joe Conway <mail(at)joeconway(dot)com> |
|---|---|
| To: | elein <elein(at)varlena(dot)com> |
| Cc: | CSN <cool_screen_name90001(at)yahoo(dot)com>, pgsql-general(at)postgresql(dot)org |
| Subject: | Re: int1? types? |
| Date: | 2003-10-11 01:28:08 |
| Message-ID: | 3F875CA8.8020009@joeconway.com |
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| Thread: | |
| Lists: | pgsql-general |
elein wrote:
> The "char" type has special handling built into the server
> if I recall correctly and that is part of the reason it
> does not behave correctly in some cases. But I think it is
> still schlepped around as a DATUM which is a four byte value.
>
> What I meant was a user defined single byte data type.
> I don't think it can be done since it needs to be packaged
> as a DATUM.
No, "char" is exactly one byte. See the doc, or the source:
http://developer.postgresql.org/cvsweb.cgi/pgsql-server/src/backend/utils/adt/char.c?rev=1.38&content-type=text/x-cvsweb-markup
Joe
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