Re: function / varchar width... varchar2(4000)?

A copy of this was sent to "W. Scott Moore" <sirws_at_hotmail.com> (if that email address didn't require changing) On Tue, 28 Dec 1999 10:30:19 -0700, you wrote:

>I have a function:
>
>function APN_NUM_KEY_F (bookmap IN NUMBER, width IN NUMBER)
> return varchar2
> is

[snip]

>
>and when I call it like:
>
>select apn_num_key_f(apn_map, 3) from lb_parcel_pnt
>
>it works fine. The same goes when I use it in a view like:
>
>CREATE OR REPLACE VIEW LB_PARCEL_POLY_V ( PPOLYID,
>APN_BOOK, APN_MAP, PARCEL_ID, APN
> ) AS select a.ppolyid, c.apn_book, c.apn_map, c.parcel_id,

substr( apn_num_key_f(c.apn_book, 3) || apn_num_key_f(c.apn_map, 2) || c.parcel_id, 1, 10 )

>as APN from lb_parcel_poly a,
> lb_parcel_pnt_poly_join b,
> lb_parcel_pnt c
>where b.ppolyid = a.ppolyid and b.ppntid = c.ppntid
>
>however, when I am using toad to look at the data, it says it is a
>varchar2(4000), when I would like it to be a varchar2(10).
>
>Any ideas would be greatly appreciated.
>

substr'ing it will work.

>Thanks,
>Scott
>

--
See http://osi.oracle.com/~tkyte/ for my columns 'Digging-in to Oracle8i'... Current article is "Part I of V, Autonomous Transactions" updated June 21'st  

Thomas Kyte                   tkyte_at_us.oracle.com
Oracle Service Industries     Reston, VA   USA

Opinions are mine and do not necessarily reflect those of Oracle Corporation Received on Tue Dec 28 1999 - 11:49:10 CST