Thanks - yes: If I change (select '0' foo from dual) to (select 0 foo from
dual) then it works (8.1.6 and 8.1.7).
It's just a bit annoying that this behaviour has changed; can't find
reference to it in the 8.1.7 manuals. I've got some code which does
something similar - I guess it's a bit sloppy passing a number as a string
to TO_CHAR in the first place, but it used to work OK. Guess the code will
just have to be fixed!
- Bill.
At 09:13 07/09/01 -0800, Mohan, Ross wrote:
>quotes around the 0? maybe an artifact of implicit function overloading?
>
>-----Original Message-----
>Sent: Friday, September 07, 2001 12:21 PM
>To: Multiple recipients of list ORACLE-L
>
>
>Help! Can anyone throw any light on the following:
>
>I run the following:
>
>declare
> cursor c1 is
> select to_char(nvl(a.foo,0),'999')
> from
> (select '0' foo from dual) a;
>begin
> null;
>end;
>
>On Oracle 8.1.6 (Solaris and Linux platforms):
>"Statement Processed"
>
>On Oracle 8.1.7 (Solaris and Linux platforms):
>"ORA-06550: line 3, column 9:
>PLS-00307: too many declarations of 'TO_CHAR' match this call
>ORA-06550: line 3, column 2:
>PL/SQL: SQL Statement ignored"
>
>Additionally, if I remove the NVL(), then it also fails, as above, on
>8.1.6. I'd be grateful for any pointers.
>
>Thanks
>- Bill.
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Author: Bill Buchan
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