Quan Zongliang <quanzongli...@gmail.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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