Hello,

> You seem not to have understood my recommendation to use a 
> callback function.  This patch might work nicely for SQL 
> functions but there will be no good way to use it for 
> plpgsql, or probably any other PL function language.  If 
> we're going to change the parser API then I'd like to have a 
> more general solution.
> 

Perhaps I did not look well enough, but is there any callback mechanism like
the 
error_context_stack etc... in the parser?

( If not, I guess one has to be created :) )

Thank you.
Gevik.


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