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7150402655
The previous coding of the test was vulnerable against autovacuum triggering work on one of the tables in check_btree.sql. For the purpose of the test it's entirely sufficient to check for locks taken by the current process, so add an appropriate restriction. While touching the test, expand it to also check for locks on the underlying relations, rather than just the indexes. Reported-By: Tom Lane Discussion: https://postgr.es/m/30354.1489434301@sss.pgh.pa.us
93 lines
3.0 KiB
Plaintext
93 lines
3.0 KiB
Plaintext
-- minimal test, basically just verifying that amcheck
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CREATE TABLE bttest_a(id int8);
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CREATE TABLE bttest_b(id int8);
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INSERT INTO bttest_a SELECT * FROM generate_series(1, 100000);
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INSERT INTO bttest_b SELECT * FROM generate_series(100000, 1, -1);
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CREATE INDEX bttest_a_idx ON bttest_a USING btree (id);
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CREATE INDEX bttest_b_idx ON bttest_b USING btree (id);
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CREATE ROLE bttest_role;
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-- verify permissions are checked (error due to function not callable)
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SET ROLE bttest_role;
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SELECT bt_index_check('bttest_a_idx'::regclass);
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ERROR: permission denied for function bt_index_check
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SELECT bt_index_parent_check('bttest_a_idx'::regclass);
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ERROR: permission denied for function bt_index_parent_check
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RESET ROLE;
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-- we, intentionally, don't check relation permissions - it's useful
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-- to run this cluster-wide with a restricted account, and as tested
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-- above explicit permission has to be granted for that.
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GRANT EXECUTE ON FUNCTION bt_index_check(regclass) TO bttest_role;
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GRANT EXECUTE ON FUNCTION bt_index_parent_check(regclass) TO bttest_role;
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SET ROLE bttest_role;
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SELECT bt_index_check('bttest_a_idx');
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bt_index_check
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----------------
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(1 row)
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SELECT bt_index_parent_check('bttest_a_idx');
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bt_index_parent_check
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-----------------------
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(1 row)
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RESET ROLE;
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-- verify plain tables are rejected (error)
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SELECT bt_index_check('bttest_a');
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ERROR: "bttest_a" is not an index
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SELECT bt_index_parent_check('bttest_a');
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ERROR: "bttest_a" is not an index
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-- verify non-existing indexes are rejected (error)
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SELECT bt_index_check(17);
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ERROR: could not open relation with OID 17
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SELECT bt_index_parent_check(17);
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ERROR: could not open relation with OID 17
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-- verify wrong index types are rejected (error)
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BEGIN;
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CREATE INDEX bttest_a_brin_idx ON bttest_a USING brin(id);
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SELECT bt_index_parent_check('bttest_a_brin_idx');
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ERROR: only B-Tree indexes are supported as targets for verification
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DETAIL: Relation "bttest_a_brin_idx" is not a B-Tree index.
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ROLLBACK;
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-- normal check outside of xact
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SELECT bt_index_check('bttest_a_idx');
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bt_index_check
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----------------
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(1 row)
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-- more expansive test
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SELECT bt_index_parent_check('bttest_b_idx');
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bt_index_parent_check
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-----------------------
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(1 row)
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BEGIN;
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SELECT bt_index_check('bttest_a_idx');
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bt_index_check
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----------------
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(1 row)
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SELECT bt_index_parent_check('bttest_b_idx');
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bt_index_parent_check
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-----------------------
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(1 row)
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-- make sure we don't have any leftover locks
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SELECT * FROM pg_locks
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WHERE relation = ANY(ARRAY['bttest_a', 'bttest_a_idx', 'bttest_b', 'bttest_b_idx']::regclass[])
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AND pid = pg_backend_pid();
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locktype | database | relation | page | tuple | virtualxid | transactionid | classid | objid | objsubid | virtualtransaction | pid | mode | granted | fastpath
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----------+----------+----------+------+-------+------------+---------------+---------+-------+----------+--------------------+-----+------+---------+----------
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(0 rows)
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COMMIT;
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-- cleanup
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DROP TABLE bttest_a;
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DROP TABLE bttest_b;
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DROP OWNED BY bttest_role; -- permissions
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DROP ROLE bttest_role;
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