100 lines
2.3 KiB
Plaintext
100 lines
2.3 KiB
Plaintext
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-- predictability
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SET synchronous_commit = on;
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SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding');
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?column?
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----------
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init
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(1 row)
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SELECT 'msg1' FROM pg_logical_emit_message(true, 'test', 'msg1');
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?column?
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----------
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msg1
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(1 row)
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SELECT 'msg2' FROM pg_logical_emit_message(false, 'test', 'msg2');
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?column?
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----------
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msg2
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(1 row)
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BEGIN;
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SELECT 'msg3' FROM pg_logical_emit_message(true, 'test', 'msg3');
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?column?
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----------
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msg3
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(1 row)
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SELECT 'msg4' FROM pg_logical_emit_message(false, 'test', 'msg4');
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?column?
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----------
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msg4
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(1 row)
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ROLLBACK;
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BEGIN;
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SELECT 'msg5' FROM pg_logical_emit_message(true, 'test', 'msg5');
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?column?
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----------
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msg5
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(1 row)
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SELECT 'msg6' FROM pg_logical_emit_message(false, 'test', 'msg6');
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?column?
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----------
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msg6
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(1 row)
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SELECT 'msg7' FROM pg_logical_emit_message(true, 'test', 'msg7');
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?column?
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----------
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msg7
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(1 row)
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COMMIT;
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SELECT 'ignorethis' FROM pg_logical_emit_message(true, 'test', 'czechtastic');
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?column?
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------------
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ignorethis
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(1 row)
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '0', 'skip-empty-xacts', '1');
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data
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--------------------------------------------------------------------
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message: transactional: 1 prefix: test, sz: 4 content:msg1
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message: transactional: 0 prefix: test, sz: 4 content:msg2
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message: transactional: 0 prefix: test, sz: 4 content:msg4
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message: transactional: 0 prefix: test, sz: 4 content:msg6
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message: transactional: 1 prefix: test, sz: 4 content:msg5
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message: transactional: 1 prefix: test, sz: 4 content:msg7
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message: transactional: 1 prefix: test, sz: 11 content:czechtastic
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(7 rows)
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-- test db filtering
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\set prevdb :DBNAME
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\c template1
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SELECT 'otherdb1' FROM pg_logical_emit_message(false, 'test', 'otherdb1');
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?column?
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----------
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otherdb1
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(1 row)
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SELECT 'otherdb2' FROM pg_logical_emit_message(true, 'test', 'otherdb2');
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?column?
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----------
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otherdb2
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(1 row)
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\c :prevdb
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SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'force-binary', '0', 'skip-empty-xacts', '1');
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data
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------
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(0 rows)
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SELECT 'cleanup' FROM pg_drop_replication_slot('regression_slot');
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?column?
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----------
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cleanup
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(1 row)
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