Question

open cursor for dynamic statment?

Asked by: solman66

Hi
I've seen examples of this all over the place, but i can't seem to get it to work for me.

I'm using oracle 8.1.7 on (i think a solaris machine)
with my 8i client and apache on Red Hat 7.3

I created a dynamic sql query and i want to execute it and return the results in a cursor.

I've defined return_cursor as a "weak cursor", here is a sample code:

procedure get_manufacturers
    (   mnfctr IN dns_manufacturers.manufacturer%TYPE,
        return_cursor OUT t_cursor,
        errmsg OUT varchar2)
    IS
        dyn_stmt varchar2(200);
    BEGIN
    dyn_stmt := 'Select id, manufacturer
From dns_manufacturers
Where UPPER(manufacturer) LIKE UPPER(mnfctr)';
    errmsg := dyn_stmt;
    open return_cursor for dyn_stmt;

end get_manufacturers;

which when executed with PHP gives the following error:
Warning: OCIStmtExecute: ORA-00904: invalid column name ORA-06512: at "DNS.DNS_SELECTS_PKG", line 323 ORA-06512:
(line 323 is "open return....")

when i use:

procedure get_manufacturers
    (   mnfctr IN dns_manufacturers.manufacturer%TYPE,
        return_cursor OUT t_cursor,
        errmsg OUT varchar2)
    IS
        dyn_stmt varchar2(200);
    BEGIN
    dyn_stmt := 'Select id, manufacturer
From dns_manufacturers
Where UPPER(manufacturer) LIKE UPPER(mnfctr)';
    errmsg := dyn_stmt;

        Select id, manufacturer
        From dns_manufacturers
        Where UPPER(manufacturer) LIKE UPPER(mnfctr);

end get_manufacturers;

The procedure works fine, and when i print "errmsg" (which contains the dyn_stmt) it is displayed correctly, so my dyn_stmt is being created.

Any help would be appreciated.

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Asked On
2004-03-16 at 12:50:03ID20921074
Tags

cursor

,

open

,

oracle

Topic

Databases Miscellaneous

Participating Experts
1
Points
180
Comments
3

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Answers

 

by: Vikas_DixitPosted on 2004-03-16 at 13:07:39ID: 10610083

I guess you need to change the following
    dyn_stmt := 'Select id, manufacturer
From dns_manufacturers
Where UPPER(manufacturer) LIKE UPPER(mnfctr)';

to

    dyn_stmt := 'Select id, manufacturer
From dns_manufacturers
Where UPPER(manufacturer) LIKE UPPER('||mnfctr||')';

Regards,
Vikas

 

by: Vikas_DixitPosted on 2004-03-16 at 13:17:02ID: 10610168

Or use:

dyn_stmt := 'Select id, manufacturer
From dns_manufacturers
Where UPPER(manufacturer) LIKE UPPER(:manufacturer_val)';

AND :

open return_cursor for dyn_stmt USING mnfctr;

Regards,
Vikas

 

by: solman66Posted on 2004-03-16 at 13:24:05ID: 10610239

Yes thank you, i had just figured that out on my own after a short break and a few more tries.  I had just come back to see if anyone had put up a suggestion yet and you have it answered =)

i needed the :variable
and the using clause.

Thanks a lot for the quick response!

20120131-EE-VQP-002

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