Re: JDBC error codes to detect duplicates?

I have ideas on how to do error codes and multiple languages.  I can
make a proposal for 7.2.

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> > >AFAIK clean implementation of such feature is not possible because
> backend
> > >protocol does not have error codes (only error messages)
> >
> > Thats correct. It's also not practical to get the driver to translate
> > because the format of the messages can change between releases as well.
> 
> Practically speaking, how often do the messages really change between
> releases?  It seems that we could create a pluggable translator that would
> work based on the release version.  If the messages change too frequently,
> then something's seriously wrong with Postgresql server since the main
> sql-portion of the system has been in place and there aren't too many things
> a program really needs to detect about a database (missing row, duplicate
> key, constraint violation, transaction error, deadlock detected, etc.).
> 
> David
> 
> 


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