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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-04 12:19:15 +0000 |
commit | 6eb9c5a5657d1fe77b55cc261450f3538d35a94d (patch) | |
tree | 657d8194422a5daccecfd42d654b8a245ef7b4c8 /contrib/test_decoding/sql/replorigin.sql | |
parent | Initial commit. (diff) | |
download | postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.tar.xz postgresql-13-6eb9c5a5657d1fe77b55cc261450f3538d35a94d.zip |
Adding upstream version 13.4.upstream/13.4upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'contrib/test_decoding/sql/replorigin.sql')
-rw-r--r-- | contrib/test_decoding/sql/replorigin.sql | 71 |
1 files changed, 71 insertions, 0 deletions
diff --git a/contrib/test_decoding/sql/replorigin.sql b/contrib/test_decoding/sql/replorigin.sql new file mode 100644 index 0000000..8979b30 --- /dev/null +++ b/contrib/test_decoding/sql/replorigin.sql @@ -0,0 +1,71 @@ +-- predictability +SET synchronous_commit = on; + +CREATE TABLE origin_tbl(id serial primary key, data text); +CREATE TABLE target_tbl(id serial primary key, data text); + +SELECT pg_replication_origin_create('regress_test_decoding: regression_slot'); +-- ensure duplicate creations fail +SELECT pg_replication_origin_create('regress_test_decoding: regression_slot'); + +--ensure deletions work (once) +SELECT pg_replication_origin_create('regress_test_decoding: temp'); +SELECT pg_replication_origin_drop('regress_test_decoding: temp'); +SELECT pg_replication_origin_drop('regress_test_decoding: temp'); + +-- various failure checks for undefined slots +select pg_replication_origin_advance('regress_test_decoding: temp', '0/1'); +select pg_replication_origin_session_setup('regress_test_decoding: temp'); +select pg_replication_origin_progress('regress_test_decoding: temp', true); + +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding'); + +-- origin tx +INSERT INTO origin_tbl(data) VALUES ('will be replicated and decoded and decoded again'); +INSERT INTO target_tbl(data) +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- as is normal, the insert into target_tbl shows up +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +INSERT INTO origin_tbl(data) VALUES ('will be replicated, but not decoded again'); + +-- mark session as replaying +SELECT pg_replication_origin_session_setup('regress_test_decoding: regression_slot'); + +-- ensure we prevent duplicate setup +SELECT pg_replication_origin_session_setup('regress_test_decoding: regression_slot'); + +SELECT '' FROM pg_logical_emit_message(false, 'test', 'this message will not be decoded'); + +BEGIN; +-- setup transaction origin +SELECT pg_replication_origin_xact_setup('0/aabbccdd', '2013-01-01 00:00'); +INSERT INTO target_tbl(data) +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1'); +COMMIT; + +-- check replication progress for the session is correct +SELECT pg_replication_origin_session_progress(false); +SELECT pg_replication_origin_session_progress(true); + +SELECT pg_replication_origin_session_reset(); + +SELECT local_id, external_id, remote_lsn, local_lsn <> '0/0' FROM pg_replication_origin_status; + +-- check replication progress identified by name is correct +SELECT pg_replication_origin_progress('regress_test_decoding: regression_slot', false); +SELECT pg_replication_origin_progress('regress_test_decoding: regression_slot', true); + +-- ensure reset requires previously setup state +SELECT pg_replication_origin_session_reset(); + +-- and magically the replayed xact will be filtered! +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1'); + +--but new original changes still show up +INSERT INTO origin_tbl(data) VALUES ('will be replicated'); +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'only-local', '1'); + +SELECT pg_drop_replication_slot('regression_slot'); +SELECT pg_replication_origin_drop('regress_test_decoding: regression_slot'); |