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cc072641d4
This patch removes the hardcoded check for superuser privileges when executing replication origin functions. Instead, execution is revoked from public, meaning that those functions can be executed by a superuser and that access to them can be granted. Author: Martín Marqués Reviewed-by: Kyotaro Horiguchi, Michael Paquier, Masahiko Sawada Discussion: https:/postgr.es/m/CAPdiE1xJMZOKQL3dgHMUrPqysZkgwzSMXETfKkHYnBAB7-0VRQ@mail.gmail.com
90 lines
4.1 KiB
PL/PgSQL
90 lines
4.1 KiB
PL/PgSQL
-- predictability
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SET synchronous_commit = on;
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-- superuser required by default
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CREATE ROLE regress_origin_replication REPLICATION;
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SET ROLE regress_origin_replication;
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SELECT pg_replication_origin_advance('regress_test_decoding: perm', '0/1');
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SELECT pg_replication_origin_create('regress_test_decoding: perm');
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SELECT pg_replication_origin_drop('regress_test_decoding: perm');
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SELECT pg_replication_origin_oid('regress_test_decoding: perm');
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SELECT pg_replication_origin_progress('regress_test_decoding: perm', false);
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SELECT pg_replication_origin_session_is_setup();
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SELECT pg_replication_origin_session_progress(false);
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SELECT pg_replication_origin_session_reset();
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SELECT pg_replication_origin_session_setup('regress_test_decoding: perm');
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SELECT pg_replication_origin_xact_reset();
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SELECT pg_replication_origin_xact_setup('0/1', '2013-01-01 00:00');
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SELECT pg_show_replication_origin_status();
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RESET ROLE;
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DROP ROLE regress_origin_replication;
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CREATE TABLE origin_tbl(id serial primary key, data text);
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CREATE TABLE target_tbl(id serial primary key, data text);
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SELECT pg_replication_origin_create('regress_test_decoding: regression_slot');
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-- ensure duplicate creations fail
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SELECT pg_replication_origin_create('regress_test_decoding: regression_slot');
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--ensure deletions work (once)
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SELECT pg_replication_origin_create('regress_test_decoding: temp');
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SELECT pg_replication_origin_drop('regress_test_decoding: temp');
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SELECT pg_replication_origin_drop('regress_test_decoding: temp');
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-- various failure checks for undefined slots
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select pg_replication_origin_advance('regress_test_decoding: temp', '0/1');
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select pg_replication_origin_session_setup('regress_test_decoding: temp');
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select pg_replication_origin_progress('regress_test_decoding: temp', true);
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
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-- origin tx
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INSERT INTO origin_tbl(data) VALUES ('will be replicated and decoded and decoded again');
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INSERT INTO target_tbl(data)
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
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-- as is normal, the insert into target_tbl shows up
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
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INSERT INTO origin_tbl(data) VALUES ('will be replicated, but not decoded again');
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-- mark session as replaying
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SELECT pg_replication_origin_session_setup('regress_test_decoding: regression_slot');
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-- ensure we prevent duplicate setup
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SELECT pg_replication_origin_session_setup('regress_test_decoding: regression_slot');
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SELECT '' FROM pg_logical_emit_message(false, 'test', 'this message will not be decoded');
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BEGIN;
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-- setup transaction origin
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SELECT pg_replication_origin_xact_setup('0/aabbccdd', '2013-01-01 00:00');
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INSERT INTO target_tbl(data)
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1');
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COMMIT;
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-- check replication progress for the session is correct
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SELECT pg_replication_origin_session_progress(false);
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SELECT pg_replication_origin_session_progress(true);
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SELECT pg_replication_origin_session_reset();
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SELECT local_id, external_id, remote_lsn, local_lsn <> '0/0' FROM pg_replication_origin_status;
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-- check replication progress identified by name is correct
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SELECT pg_replication_origin_progress('regress_test_decoding: regression_slot', false);
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SELECT pg_replication_origin_progress('regress_test_decoding: regression_slot', true);
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-- ensure reset requires previously setup state
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SELECT pg_replication_origin_session_reset();
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-- and magically the replayed xact will be filtered!
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1');
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--but new original changes still show up
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INSERT INTO origin_tbl(data) VALUES ('will be replicated');
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1');
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SELECT pg_drop_replication_slot('regression_slot');
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SELECT pg_replication_origin_drop('regress_test_decoding: regression_slot');
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