beta testing - planner bug - ERROR: XX000: failed to build any 2-way joins - Mailing list pgsql-hackers

Hello

there are maybe planner bug.

test case:

CREATE TABLE person (      id SERIAL PRIMARY KEY,      name VARCHAR(64)
) WITHOUT OIDS;

CREATE TABLE person_data (      id SERIAL PRIMARY KEY
) WITHOUT OIDS;

------------------------------------

SELECT name
FROM person
WHERE name IN (      SELECT name FROM person p      LEFT JOIN person_data ON p.id = person_data.id
)

postgres=# explain SELECT name
FROM person
WHERE name IN (      SELECT name FROM person p      LEFT JOIN person_data ON p.id = person_data.id);
ERROR:  failed to build any 2-way joins

it works on 8.3

report by Vaclav Novotny

Regards

Pavel