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

-- 
Sent via pgsql-hackers mailing list (pgsql-hackers@postgresql.org)
To make changes to your subscription:
http://www.postgresql.org/mailpref/pgsql-hackers

Reply via email to