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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
61 lines
1.9 KiB
SQL
61 lines
1.9 KiB
SQL
--
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-- Only superusers and roles with privileges of the pg_read_all_stats role
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-- are allowed to see the SQL text and queryid of queries executed by
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-- other users. Other users can see the statistics.
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--
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SET pg_stat_statements.track_utility = FALSE;
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CREATE ROLE regress_stats_superuser SUPERUSER;
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CREATE ROLE regress_stats_user1;
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CREATE ROLE regress_stats_user2;
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GRANT pg_read_all_stats TO regress_stats_user2;
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SET ROLE regress_stats_superuser;
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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SELECT 1 AS "ONE";
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SET ROLE regress_stats_user1;
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SELECT 1+1 AS "TWO";
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--
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-- A superuser can read all columns of queries executed by others,
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-- including query text and queryid.
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--
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SET ROLE regress_stats_superuser;
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SELECT r.rolname, ss.queryid <> 0 AS queryid_bool, ss.query, ss.calls, ss.rows
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FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid
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ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows;
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--
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-- regress_stats_user1 has no privileges to read the query text or
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-- queryid of queries executed by others but can see statistics
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-- like calls and rows.
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--
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SET ROLE regress_stats_user1;
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SELECT r.rolname, ss.queryid <> 0 AS queryid_bool, ss.query, ss.calls, ss.rows
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FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid
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ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows;
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--
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-- regress_stats_user2, with pg_read_all_stats role privileges, can
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-- read all columns, including query text and queryid, of queries
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-- executed by others.
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--
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SET ROLE regress_stats_user2;
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SELECT r.rolname, ss.queryid <> 0 AS queryid_bool, ss.query, ss.calls, ss.rows
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FROM pg_stat_statements ss JOIN pg_roles r ON ss.userid = r.oid
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ORDER BY r.rolname, ss.query COLLATE "C", ss.calls, ss.rows;
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--
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-- cleanup
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--
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RESET ROLE;
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DROP ROLE regress_stats_superuser;
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DROP ROLE regress_stats_user1;
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DROP ROLE regress_stats_user2;
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SELECT pg_stat_statements_reset() IS NOT NULL AS t;
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