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bizzare problem with to_number

From: fabienne hadkova <fh_at_q-bus.com>
Date: Sat, 15 Jun 2002 09:37:46 +0200
Message-ID: <aeeqq0$gqp$1@news.imp.ch>


Hello
Maybe somebody had this problem before and knows what it could mean. In the project I work for, we get a dump from another company regularly. There are several tables with lots of attributes, most of them varchar(2), even if they contain a date or a number, so we must use the to_number function a lot.
We never had any problems with it until yesterday. Some (but not all) of the fields in a column returned a sql-error (ORA-01722 invalid number) when we tried to use to_number on it. All fields have the format 99.99. Finally, we had to replace the '.' with a ',' but only for a few elements. The dump is created by several batches from a oracle 8i (1.0.6) db. So this could cause character problems, still I do not understand how it is possible that this applies only to a few elements and others in the same column of the same table behave differently.
I hope I could explain the problem clearly enough and I would be glad to know if anybody encountered something like this before and could tell me how such a thing is possible.
Thank you
fabienne Received on Sat Jun 15 2002 - 02:37:46 CDT

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