ORACLE / Using unique
Fernando Simon
fsimon at UNIVALI.BR
Tue Dec 13 03:08:23 PST 2005
Hi François,
You can do this with the to_number in you sql, like:
data "geom FROM (SELECT TO_NUMBER(<idcolumn>) AS id FROM
<table>) USING UNIQUE id"
To use this way the idcolumn must need to store only numbers.
Best regards.
------------------------------------------------------------------------
Fernando Simon
Mapserver and Oracle Spatial developer
G10 - Laboratorio de Computacao Aplicada - Brazil
http://www.univali.br/g10 - UNIVALI/CTTMAR
------------------------------------------------------------------------
François Prunayre wrote:
>Hello, when using UNIQUE with an Oracle Spatial Layer we have to "must pass
>a numeric column type" ...
>When we have a table with a primary key type VARCHAR ... Is there any way to
>use UNIQUE without changing the data model ? ROWID is not numeric, ROWNUM is
>numeric but it's not an identifier ... So should not work.
>
>Any ideas ?
>Thanks. Francois
>
>
>
>
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