Re: bug in explain - core dump - Mailing list pgsql-hackers

Pavel Stehule <pavel.stehule@gmail.com> writes:
> DROP TABLE IF EXISTS  foo;
> CREATE TABLE foo(a int, b int);
> INSERT INTO foo SELECT (random()*10000)::int, (random()*10)::int from generate_series(1,100000);
> ANALYZE foo;
> CREATE INDEX ON foo(a,b);
> CREATE INDEX ON foo(b,a);

> EXPLAIN SELECT max(a), b 
>            FROM foo, generate_series(0,30) g(v) 
>           WHERE a = (SELECT max(a) FROM foo WHERE b = v) 
>           GROUP BY b;

Fixed, thanks.
        regards, tom lane