Re: Dynamic SQL question

  • From: Tim Johnston <tjohnston@xxxxxxxxxxxx>
  • To: oracle-l@xxxxxxxxxxxxx
  • Date: Fri, 19 Mar 2004 16:38:03 -0500

What's the definition of the v_update field?

Deanna Schneider wrote:

Nope. It doesn't even compile then. It's not "inside" v_update, it's ending
the assignment block of v_update.

----- Original Message ----- From: "Freeman, Donald" <dofreeman@xxxxxxxxxxx>
To: <oracle-l@xxxxxxxxxxxxx>
Sent: Friday, March 19, 2004 3:26 PM
Subject: RE: Dynamic SQL question




I don't think there is supposed to be a ; inside v_update. Take it out and


see if it runs.


-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx
[mailto:oracle-l-bounce@xxxxxxxxxxxxx]On Behalf Of Deanna Schneider
Sent: Friday, March 19, 2004 4:28 PM
To: oracle-l@xxxxxxxxxxxxx
Subject: Dynamic SQL question


Hello,
I'm trying to write a procedure that includes dynamic sql (8.17). If I


don't


use the dynamic sql, the query runs fine. If I do, it fails with a numeric
or value error (ORA-06512).

Can anyone see what I'm missing?
This works:
UPDATE resourcegroup
SET lft = DECODE( (SIGN((lft/drop_left)-1) +


SIGN((lft/drop_right)-1)),


0, lft-1, 2, lft-2, lft),
rgt = DECODE( (SIGN((rgt/drop_left)-1) +


SIGN((rgt/drop_right)-1)),


0, rgt-1, 2, rgt-2, lft)
WHERE lft > drop_left;


This fails:
v_update := 'UPDATE '|| in_tablename ||
'SET lft = DECODE( (SIGN((lft/:1)-1) + SIGN((lft/:2)-1)), 0,
lft-1, 2, lft-2, lft), '||
'rgt = DECODE( (SIGN((rgt/:3)-1) + SIGN((rgt/:4)-1)), 0,


rgt-1,


2, rgt-2, lft) ' ||
           'WHERE lft > :5';

EXECUTE IMMEDIATE v_update USING drop_left, drop_right, drop_left,
drop_right, drop_left;

I'm just using the linewrap concantenation for use of readability for
testing. It fails when it's all on one line as well.

Thanks.
-Deanna


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--
Regards,
Tim Johnston
Tel: 978-322-4226
Fax: 978-322-4100


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