mirror of
https://github.com/postgres/postgres.git
synced 2025-10-28 11:55:03 +03:00
97f2bc5aa5
This commit adds a regression test to verify that pg_stat_statements correctly handles privileges, improving its test coverage. Author: Keisuke Kuroda Reviewed-by: Michael Paquier, Fujii Masao Discussion: https://postgr.es/m/2224ccf2e12c41ccb81702ef3303d5ac@nttcom.co.jp
98 lines
4.4 KiB
Plaintext
98 lines
4.4 KiB
Plaintext
--
|
|
-- Only superusers and roles with privileges of the pg_read_all_stats role
|
|
-- are allowed to see the SQL text and queryid of queries executed by
|
|
-- other users. Other users can see the statistics.
|
|
--
|
|
SET pg_stat_statements.track_utility = FALSE;
|
|
CREATE ROLE regress_stats_superuser SUPERUSER;
|
|
CREATE ROLE regress_stats_user1;
|
|
CREATE ROLE regress_stats_user2;
|
|
GRANT pg_read_all_stats TO regress_stats_user2;
|
|
SET ROLE regress_stats_superuser;
|
|
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
|
|
t
|
|
---
|
|
t
|
|
(1 row)
|
|
|
|
SELECT 1 AS "ONE";
|
|
ONE
|
|
-----
|
|
1
|
|
(1 row)
|
|
|
|
SET ROLE regress_stats_user1;
|
|
SELECT 1+1 AS "TWO";
|
|
TWO
|
|
-----
|
|
2
|
|
(1 row)
|
|
|
|
--
|
|
-- A superuser can read all columns of queries executed by others,
|
|
-- including query text and queryid.
|
|
--
|
|
SET ROLE regress_stats_superuser;
|
|
SELECT r.rolname, ss.queryid <> 0 AS queryid_bool, ss.query, ss.calls, ss.rows
|
|
FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid
|
|
ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows;
|
|
rolname | queryid_bool | query | calls | rows
|
|
-------------------------+--------------+----------------------------------------------------+-------+------
|
|
regress_stats_superuser | t | SELECT $1 AS "ONE" | 1 | 1
|
|
regress_stats_superuser | t | SELECT pg_stat_statements_reset() IS NOT NULL AS t | 1 | 1
|
|
regress_stats_user1 | t | SELECT $1+$2 AS "TWO" | 1 | 1
|
|
(3 rows)
|
|
|
|
--
|
|
-- regress_stats_user1 has no privileges to read the query text or
|
|
-- queryid of queries executed by others but can see statistics
|
|
-- like calls and rows.
|
|
--
|
|
SET ROLE regress_stats_user1;
|
|
SELECT r.rolname, ss.queryid <> 0 AS queryid_bool, ss.query, ss.calls, ss.rows
|
|
FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid
|
|
ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows;
|
|
rolname | queryid_bool | query | calls | rows
|
|
-------------------------+--------------+--------------------------+-------+------
|
|
regress_stats_superuser | | <insufficient privilege> | 1 | 1
|
|
regress_stats_superuser | | <insufficient privilege> | 1 | 1
|
|
regress_stats_superuser | | <insufficient privilege> | 1 | 3
|
|
regress_stats_user1 | t | SELECT $1+$2 AS "TWO" | 1 | 1
|
|
(4 rows)
|
|
|
|
--
|
|
-- regress_stats_user2, with pg_read_all_stats role privileges, can
|
|
-- read all columns, including query text and queryid, of queries
|
|
-- executed by others.
|
|
--
|
|
SET ROLE regress_stats_user2;
|
|
SELECT r.rolname, ss.queryid <> 0 AS queryid_bool, ss.query, ss.calls, ss.rows
|
|
FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid
|
|
ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows;
|
|
rolname | queryid_bool | query | calls | rows
|
|
-------------------------+--------------+---------------------------------------------------------------------------------+-------+------
|
|
regress_stats_superuser | t | SELECT $1 AS "ONE" | 1 | 1
|
|
regress_stats_superuser | t | SELECT pg_stat_statements_reset() IS NOT NULL AS t | 1 | 1
|
|
regress_stats_superuser | t | SELECT r.rolname, ss.queryid <> $1 AS queryid_bool, ss.query, ss.calls, ss.rows+| 1 | 3
|
|
| | FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid +| |
|
|
| | ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows | |
|
|
regress_stats_user1 | t | SELECT $1+$2 AS "TWO" | 1 | 1
|
|
regress_stats_user1 | t | SELECT r.rolname, ss.queryid <> $1 AS queryid_bool, ss.query, ss.calls, ss.rows+| 1 | 4
|
|
| | FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid +| |
|
|
| | ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows | |
|
|
(5 rows)
|
|
|
|
--
|
|
-- cleanup
|
|
--
|
|
RESET ROLE;
|
|
DROP ROLE regress_stats_superuser;
|
|
DROP ROLE regress_stats_user1;
|
|
DROP ROLE regress_stats_user2;
|
|
SELECT pg_stat_statements_reset() IS NOT NULL AS t;
|
|
t
|
|
---
|
|
t
|
|
(1 row)
|
|
|