On Wed, Jun 15, 2011 at 7:43 AM, Pavel Stehule <pavel.steh...@gmail.com> wrote: > Hello Heikki, > > probably I found a bug in patch: > > CREATE FUNCTION fx(i integer) RETURNS integer > LANGUAGE plpgsql > AS $$begin raise notice '>>%<<', i; return i; end;$$; > > CREATE FUNCTION fx1(integer) RETURNS text > LANGUAGE sql > AS $_$ select case $1 when 1 then 'A' else 'B' end$_$; > > CREATE FUNCTION fx2(text) RETURNS text > LANGUAGE sql > AS $_$ select case $1 when 'A' then 'a' else 'b' end$_$; > > CREATE TABLE foo ( > a integer > ); > > COPY foo (a) FROM stdin; > 1 > 0 > \. > > postgres=# select fx2(fx1(fx(a))) from foo; > NOTICE: >>1<< > ERROR: invalid expression parameter reference (1 levels up, while > stack is only 1 elements deep)
I can't reproduce this. Perhaps it was fixed by one of the later commits? -- Robert Haas EnterpriseDB: http://www.enterprisedb.com The Enterprise PostgreSQL Company -- Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org) To make changes to your subscription: http://www.postgresql.org/mailpref/pgsql-hackers