646b892680
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32 lines
1.4 KiB
PL/PgSQL
32 lines
1.4 KiB
PL/PgSQL
CREATE TABLE table2_with_pk (a SERIAL, b VARCHAR(30), c TIMESTAMP NOT NULL, PRIMARY KEY(a, c));
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CREATE TABLE table2_without_pk (a SERIAL, b NUMERIC(5,2), c TEXT);
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SELECT 'init' FROM pg_create_logical_replication_slot('test_slot', 'wal2json');
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BEGIN;
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INSERT INTO table2_with_pk (b, c) VALUES('Backup and Restore', '2018-03-27 12:05:29.914496');
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INSERT INTO table2_with_pk (b, c) VALUES('Tuning', '2018-03-27 12:05:29.914496');
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INSERT INTO table2_with_pk (b, c) VALUES('Replication', '2018-03-27 12:05:29.914496');
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-- Avoid printing wal LSNs since they're not reproducible, so harder to assert on
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\o /dev/null
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SELECT pg_logical_emit_message(true, 'wal2json', 'this message will be delivered');
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SELECT pg_logical_emit_message(true, 'pgoutput', 'this message will be filtered');
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\o
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DELETE FROM table2_with_pk WHERE a < 3;
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\o /dev/null
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SELECT pg_logical_emit_message(false, 'wal2json', 'this non-transactional message will be delivered even if you rollback the transaction');
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\o
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INSERT INTO table2_without_pk (b, c) VALUES(2.34, 'Tapir');
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-- it is not added to stream because there isn't a pk or a replica identity
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UPDATE table2_without_pk SET c = 'Anta' WHERE c = 'Tapir';
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COMMIT;
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SELECT data FROM pg_logical_slot_get_changes('test_slot', NULL, NULL, 'pretty-print', '1', 'add-msg-prefixes', 'wal2json');
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SELECT 'stop' FROM pg_drop_replication_slot('test_slot');
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DROP TABLE table2_with_pk;
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DROP TABLE table2_without_pk;
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