Hello,
one my customer reported a out of memory issue. After investigation he
found a main problem in large query that uses a lot of union all queries.
He wrote a self test:
do $$
declare i integer; str text='';
begin
for i in 1..1000 loop
str := str || 'union all select i,i,i from
Pavel Stehule pavel.steh...@gmail.com writes:
one my customer reported a out of memory issue. After investigation he
found a main problem in large query that uses a lot of union all queries.
He wrote a self test:
do $$
declare i integer; str text='';
begin
for i in 1..1000 loop
str
