Re: PL/pgSQL support to define multi variables once

We can disallow custom initialization when when variables are declared as
list.

Quan' example is 100% valid in SQL/PSM and what I read about ADA then in
ADA too.

Regards

Pavel

2014-06-13 16:04 GMT+02:00 Tom Lane <tgl(at)sss(dot)pgh(dot)pa(dot)us>:

> Quan Zongliang <quanzongliang(at)gmail(dot)com> writes:
> > CREATE OR REPLACE FUNCTION try_mutlivardef() RETURNS text AS $$
> > DECLARE
> > local_a, local_b, local_c text := 'a1----';
> > BEGIN
> > return local_a || local_b || local_c;
> > end;
> > $$ LANGUAGE plpgsql;
>
> This does not seem like a terribly good idea from here. The main problem
> with the syntax is that it's very unclear whether the initializer (if any)
> applies to all the variables or just one. C users will probably think
> the latter but your example seems to suggest that you think the former.
> I doubt that this adds so much usefulness that it's worth adding confusion
> too.
>
> regards, tom lane
>
>
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