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--
-- DEPENDENCIES
--
CREATE USER regression_user;
CREATE USER regression_user2;
CREATE USER regression_user3;
CREATE GROUP regression_group;
CREATE TABLE deptest (f1 serial primary key, f2 text);
NOTICE: CREATE TABLE will create implicit sequence "deptest_f1_seq" for serial column "deptest.f1"
NOTICE: CREATE TABLE / PRIMARY KEY will create implicit index "deptest_pkey" for table "deptest"
GRANT SELECT ON TABLE deptest TO GROUP regression_group;
GRANT ALL ON TABLE deptest TO regression_user, regression_user2;
-- can't drop neither because they have privileges somewhere
DROP USER regression_user;
ERROR: role "regression_user" cannot be dropped because some objects depend on it
DETAIL: access to table deptest
DROP GROUP regression_group;
ERROR: role "regression_group" cannot be dropped because some objects depend on it
DETAIL: access to table deptest
-- if we revoke the privileges we can drop the group
REVOKE SELECT ON deptest FROM GROUP regression_group;
DROP GROUP regression_group;
-- can't drop the user if we revoke the privileges partially
REVOKE SELECT, INSERT, UPDATE, DELETE, RULE, REFERENCES ON deptest FROM regression_user;
DROP USER regression_user;
ERROR: role "regression_user" cannot be dropped because some objects depend on it
DETAIL: access to table deptest
-- now we are OK to drop him
REVOKE TRIGGER ON deptest FROM regression_user;
DROP USER regression_user;
-- we are OK too if we drop the privileges all at once
REVOKE ALL ON deptest FROM regression_user2;
DROP USER regression_user2;
-- can't drop the owner of an object
-- the error message detail here would include a pg_toast_nnn name that
-- is not constant, so suppress it
\set VERBOSITY terse
ALTER TABLE deptest OWNER TO regression_user3;
DROP USER regression_user3;
ERROR: role "regression_user3" cannot be dropped because some objects depend on it
-- if we drop the object, we can drop the user too
DROP TABLE deptest;
DROP USER regression_user3;
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