Hi Ramsey,

On 2011-08-24, at 9:42 AM, Ramsey Gurley wrote:
> 
> Just thought I would add that if you are using wonder's database context 
> delegate, you can also provide your own ERXSQLHelper.OracleSQLHelper subclass 
> via a property 
> 
> Oracle.SQLHelper=com.whatever.MyOracleHelper
> 
> and override the handleDatabaseException method on it to handle the general 
> adaptor exception that happens when the unique constraint fails.
> 
> As Chuck mentioned, the quality of the message you receive from your database 
> may make this approach useless (ahem... MySQL), but if you can figure out the 
> modeled index from your database exception, this might do the trick.
> 
> Also, if you do it this way, make sure you call context.rollbackChanges 
> before throwing your validation exception.


Wasn't there some problem with this, like it did not work?  Or did you get that 
fixed?  I recall someone trying this and it ending in unhappiness.


Chuck


-- 
Chuck Hill             Senior Consultant / VP Development

Practical WebObjects - for developers who want to increase their overall 
knowledge of WebObjects or who are trying to solve specific problems.    
http://www.global-village.net/products/practical_webobjects







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