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Re: how to emit line number in a function?

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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

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                305 321-1144 (mobile	http://www.JerrySievers.com/

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