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Re: how to emit line number in a function?

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Jerry Sievers wrote:
> Bricklen Anderson <BAnderson@xxxxxxxxxxxx> writes:
> 
> 
>>I couldn't find any useful references in the docs or archives for emitting the
>>line number of a plpgsql function (in a RAISE statement). I'd like to use it for
>>debugging some complex functions.
>>Does anyone have any tips on where to look, or an example of this?
> 
> 
> Have a look at the m4 macro processor
> 
> changequote({,})dnl
> define({func_body},{$$begin
> 	raise exception 'I barfed on line #__line__';
> end$$})dnl
> 
> create function some_func()
> returns whatever
> as func_body
> language plpgsql;
> 
> This can be useful sometimes... but may ADD to your debugging
> headaches if not used artfully!
> 
> HTH
> 
I'll look into that, thanks for the suggestion.


Cheers,

Bricklen

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