Skip site navigation (1) Skip section navigation (2)

Re: Need some help: attlen is pg_attributes gives a negative value.. .

From: Roland Roberts <roberts(at)panix(dot)com>
To: pgsql-sql(at)postgresql(dot)org, bugs(at)postgresql(dot)org
Subject: Re: Need some help: attlen is pg_attributes gives a negative value.. .
Date: 2000-05-04 03:26:56
Message-ID: m2wvlbatbz.fsf@tycho.rlent.pnet (view raw or flat)
Thread:
Lists: pgsql-bugs
>>>>> "Tom" == Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us> writes:

    Tom> "Klein, Robert" <rvklein(at)ober(dot)com> writes:
    >> [ attlen for a char(n) field is -1 ]

    >> I know in previous versions the length as defined in the create
    >> table statement was given.  Any ideas?

    Tom> Must have been quite a few versions back; attlen has been -1
    Tom> for variable-length datatypes for as long as I've been paying
    Tom> attention. (Of course char(n) isn't *really* variable length,
    Tom> but it's treated that way so that the representation is the
    Tom> same as for varchar(n) and text.)

When did this change?  I haven't looked 6.5, but I thought 6.3 still
has bpchar as fixed length and char(n) was blank padded whereas
varchar was not.

roland
-- 
		       PGP Key ID: 66 BC 3B CD
Roland B. Roberts, PhD                    Unix Software Solutions
roberts(at)panix(dot)com                      76-15 113th Street, Apt 3B
rbroberts(at)acm(dot)org                          Forest Hills, NY 11375

In response to

Responses

pgsql-bugs by date

Next:From: Tom LaneDate: 2000-05-04 05:08:14
Subject: Re: Need some help: attlen is pg_attributes gives a negative value.. .
Previous:From: Tom LaneDate: 2000-05-03 20:56:06
Subject: Re: Need some help: attlen is pg_attributes gives a negative value.. .

Privacy Policy | About PostgreSQL
Copyright © 1996-2014 The PostgreSQL Global Development Group