Re[7]: to_number question
- From: Peter Robson <pgro@xxxxxxxxx>
- To: Jonathan Gennick <oracle-l@xxxxxxxxxxxxx>
- Date: Wed, 21 Jul 2004 12:53:10 +0100
Jonathan,
Err, I decided to replicate your query - no error ... odd. Am I
missing something? Here below is a log of my session. Its Ora v 8.1.7.
peter
.........
SQL> create table subtest
2 (flag char(1),
3 num varchar2(10));
Table created.
SQL> insert into subtest values ('A',3);
1 row created.
SQL> insert into subtest values ('C',5);
1 row created.
SQL> insert into subtest values ('D','alpha');
1 row created.
SQL> commit;
Commit complete.
SQL>
SQL> select * from subtest;
F NUM
- ----------
A 3
C 5
D alpha
SQL> select flag,to_number(num) num from subtest
2 where flag in ('A','C');
F NUM
- ----------
A 3
C 5
SQL> select * from
2 (
3 select flag,to_number(num) num from subtest
4 where flag in ('A','C')
5 )
6 where num > 0;
F NUM
- ----------
A 3
C 5
*** No Error Here. ***
SQL>
SQL> select * from subtest where num > 0;
ERROR:
ORA-01722: invalid number
no rows selected
SQL>
--
mailto:pgro@xxxxxxxxx
*********************************************************************
This e-mail message, and any files transmitted with it, are
confidential and intended solely for the use of the addressee. If
this message was not addressed to you, you have received it in error
and any copying, distribution or other use of any part of it is
strictly prohibited. Any views or opinions presented are solely those
of the sender and do not necessarily represent those of the British
Geological Survey. The security of e-mail communication cannot be
guaranteed and the BGS accepts no liability for claims arising as a
result of the use of this medium to transmit messages from or to the
BGS. . http://www.bgs.ac.uk
*********************************************************************
----------------------------------------------------------------
Please see the official ORACLE-L FAQ: http://www.orafaq.com
----------------------------------------------------------------
To unsubscribe send email to: oracle-l-request@xxxxxxxxxxxxx
put 'unsubscribe' in the subject line.
--
Archives are at //www.freelists.org/archives/oracle-l/
FAQ is at //www.freelists.org/help/fom-serve/cache/1.html
-----------------------------------------------------------------
Other related posts:
