On 02/24/2016 09:51 AM, Adam Guthrie wrote:
Hi,
Whilst trying to use row level security with a subquery in the USING
expression, I'm receiving an error "plan should not reference
subplan's variable"
A simple sql file to reproduce:
****
CREATE TABLE a (
id INTEGER PRIMARY KEY
);
CREATE TABLE b (
id INTEGER PRIMARY KEY,
a_id INTEGER,
text TEXT
);
CREATE POLICY a_select ON b FOR SELECT
USING ( EXISTS(SELECT FROM a WHERE a.id = b.a_id) );
ALTER TABLE b ENABLE ROW LEVEL SECURITY;
INSERT INTO a (id) VALUES (1);
INSERT INTO b (id, a_id, text) VALUES (1, 1, 'one');
GRANT ALL ON ALL TABLES IN SCHEMA public TO test;
SET ROLE test;
SELECT * FROM b;
UPDATE b SET text = 'ONE' WHERE id = 1;
****
gives error:
psql:/tmp/test.sql:26: ERROR: plan should not reference subplan's variable
Is this a bug or am I doing something wrong?
I started to work through this when I realized the
permissions/attributes of the role test are not shown. This seems to be
important as the UPDATE example works if you run it immediately after:
INSERT INTO b (id, a_id, text) VALUES (1, 1, 'one');
Any help much appreciated,
Adam
--
Adrian Klaver
adrian.klaver@xxxxxxxxxxx
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