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\set VERBOSITY terse
-- predictability
SET synchronous_commit = on;
DROP TABLE IF EXISTS w2j_type_oid;
NOTICE: table "w2j_type_oid" does not exist, skipping
CREATE TABLE w2j_type_oid (a integer, b boolean, primary key(a));
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'wal2json');
?column?
----------
init
(1 row)
INSERT INTO w2j_type_oid (a, b) VALUES(1, true);
UPDATE w2j_type_oid SET a = 3;
DELETE FROM w2j_type_oid WHERE a = 3;
-- without include-type-oids parameter
SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'format-version', '1');
data
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
{"change":[{"kind":"insert","schema":"public","table":"w2j_type_oid","columnnames":["a","b"],"columntypes":["integer","boolean"],"columnvalues":[1,true]}]}
{"change":[{"kind":"update","schema":"public","table":"w2j_type_oid","columnnames":["a","b"],"columntypes":["integer","boolean"],"columnvalues":[3,true],"oldkeys":{"keynames":["a"],"keytypes":["integer"],"keyvalues":[1]}}]}
{"change":[{"kind":"delete","schema":"public","table":"w2j_type_oid","oldkeys":{"keynames":["a"],"keytypes":["integer"],"keyvalues":[3]}}]}
(3 rows)
SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'format-version', '2');
data
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
{"action":"B"}
{"action":"I","schema":"public","table":"w2j_type_oid","columns":[{"name":"a","type":"integer","value":1},{"name":"b","type":"boolean","value":true}]}
{"action":"C"}
{"action":"B"}
{"action":"U","schema":"public","table":"w2j_type_oid","columns":[{"name":"a","type":"integer","value":3},{"name":"b","type":"boolean","value":true}],"identity":[{"name":"a","type":"integer","value":1}]}
{"action":"C"}
{"action":"B"}
{"action":"D","schema":"public","table":"w2j_type_oid","identity":[{"name":"a","type":"integer","value":3}]}
{"action":"C"}
(9 rows)
-- with include-type-oids parameter
SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'format-version', '1', 'include-type-oids', '1');
data
-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
{"change":[{"kind":"insert","schema":"public","table":"w2j_type_oid","columnnames":["a","b"],"columntypes":["integer","boolean"],"columntypeoids":[23,16],"columnvalues":[1,true]}]}
{"change":[{"kind":"update","schema":"public","table":"w2j_type_oid","columnnames":["a","b"],"columntypes":["integer","boolean"],"columntypeoids":[23,16],"columnvalues":[3,true],"oldkeys":{"keynames":["a"],"keytypes":["integer"],"keytypeoids":[23],"keyvalues":[1]}}]}
{"change":[{"kind":"delete","schema":"public","table":"w2j_type_oid","oldkeys":{"keynames":["a"],"keytypes":["integer"],"keytypeoids":[23],"keyvalues":[3]}}]}
(3 rows)
SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'format-version', '2', 'include-type-oids', '1');
data
----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
{"action":"B"}
{"action":"I","schema":"public","table":"w2j_type_oid","columns":[{"name":"a","type":"integer","typeoid":23,"value":1},{"name":"b","type":"boolean","typeoid":16,"value":true}]}
{"action":"C"}
{"action":"B"}
{"action":"U","schema":"public","table":"w2j_type_oid","columns":[{"name":"a","type":"integer","typeoid":23,"value":3},{"name":"b","type":"boolean","typeoid":16,"value":true}],"identity":[{"name":"a","type":"integer","typeoid":23,"value":1}]}
{"action":"C"}
{"action":"B"}
{"action":"D","schema":"public","table":"w2j_type_oid","identity":[{"name":"a","type":"integer","typeoid":23,"value":3}]}
{"action":"C"}
(9 rows)
SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
?column?
----------
stop
(1 row)
DROP TABLE w2j_type_oid;
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