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 <t...@sss.pgh.pa.us>: > 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 > > > -- > Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) > To make changes to your subscription: > http://www.postgresql.org/mailpref/pgsql-hackers >
