Re: Dynamic SQL question

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_at_state.pa.us>
>To: <oracle-l_at_freelists.org>
>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_at_freelists.org
>>[mailto:oracle-l-bounce_at_freelists.org]On Behalf Of Deanna Schneider
>>Sent: Friday, March 19, 2004 4:28 PM
>>To: oracle-l_at_freelists.org
>>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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>
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-- 
Regards,
Tim Johnston
Tel: 978-322-4226
Fax: 978-322-4100


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