ORACLE / Using unique
Fernando Simon
fsimon at UNIVALI.BR
Tue Dec 13 03:10:38 PST 2005
Hi,
Just to fix the sql:
data "geom FROM (SELECT TO_NUMBER(<idcolumn>) AS id,
<geoom_column> as geom FROM <table>) USING UNIQUE id"
Best regards.
------------------------------------------------------------------------
Fernando Simon
Mapserver and Oracle Spatial developer
G10 - Laboratorio de Computacao Aplicada - Brazil
http://www.univali.br/g10 - UNIVALI/CTTMAR
------------------------------------------------------------------------
Fernando Simon wrote:
> 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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