Re: RAISE <level> <expr> <params>: state of play and request

Was this completed?

> OK, so I've defined a grammar for string_expr, which means the following
> currently works:
>
> CREATE FUNCTION foo_raise_loop(text) RETURNS text AS '
> DECLARE
> a ALIAS FOR $1;
> i integer;
> myrec RECORD;
> BEGIN
> i:=0;
> FOR myrec IN SELECT * FROM colours LOOP
> i:=i+1;
> RAISE NOTICE a || '' : '' || '' colour % is '' || myrec.c_name ||
> ''.'', i, myrec.c_id;
> END LOOP;
> RETURN ''done''::text;
> END;' LANGUAGE 'plpgsql';
>
> SELECT foo_raise_loop('Looping (%)');
>
>
> Which produces (note the % nr Looping gets evaluated):
>
> NOTICE: Looping (1) : colour 1 is red.
> NOTICE: Looping (2) : colour 2 is green.
> NOTICE: Looping (3) : colour 3 is blue.
>
>
> What you haven't got are: brackets, casts, function calls, other operators
> (can't do i+1).
>
> I'm going to be out of town for a few days then busy for a couple of weeks.
> Throw in a week to debug,document and apply against CVS and we're into
> August. So - do you want it with current functionality or should I press on?
>
> - Richard Huxton
>
>
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