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\set VERBOSITY terse
-- predictability
SET synchronous_commit = on;
SET extra_float_digits = 0;
DROP TABLE IF EXISTS table_with_pk;
CREATE TABLE table_with_pk (
a smallserial,
b smallint,
c int,
d bigint,
e numeric(5,3),
f real not null,
g double precision,
h char(10),
i varchar(30),
j text,
k bit varying(20),
l timestamp,
m date,
n boolean not null,
o json,
p tsvector,
PRIMARY KEY(b, c, d)
);
SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'wal2json');
?column?
----------
init
(1 row)
INSERT INTO table_with_pk (b, c, d, e, f, g, h, i, j, k, l, m, n, o, p) VALUES(1, 2, 3, 3.54, 876.563452345, 1.23, 'teste', 'testando', 'um texto longo', B'001110010101010', '2013-11-02 17:30:52', '2013-02-04', true, '{ "a": 123 }', 'Old Old Parr'::tsvector);
UPDATE table_with_pk SET f = -f WHERE b = 1;
-- UPDATE: pk change
DELETE FROM table_with_pk WHERE b = 1;
SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'format-version', '1', 'pretty-print', '1');
data
------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
{ +
"change": [ +
{ +
"kind": "insert", +
"schema": "public", +
"table": "table_with_pk", +
"columnnames": ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p"], +
"columntypes": ["smallint", "smallint", "integer", "bigint", "numeric(5,3)", "real", "double precision", "character(10)", "character varying(30)", "text", "bit varying(20)", "timestamp without time zone", "date", "boolean", "json", "tsvector"],+
"columnvalues": [1, 1, 2, 3, 3.540, 876.563, 1.23, "teste ", "testando", "um texto longo", "001110010101010", "Sat Nov 02 17:30:52 2013", "02-04-2013", true, "{ \"a\": 123 }", "'Old' 'Parr'"] +
} +
] +
}
{ +
"change": [ +
{ +
"kind": "update", +
"schema": "public", +
"table": "table_with_pk", +
"columnnames": ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p"], +
"columntypes": ["smallint", "smallint", "integer", "bigint", "numeric(5,3)", "real", "double precision", "character(10)", "character varying(30)", "text", "bit varying(20)", "timestamp without time zone", "date", "boolean", "json", "tsvector"],+
"columnvalues": [1, 1, 2, 3, 3.540, -876.563, 1.23, "teste ", "testando", "um texto longo", "001110010101010", "Sat Nov 02 17:30:52 2013", "02-04-2013", true, "{ \"a\": 123 }", "'Old' 'Parr'"], +
"oldkeys": { +
"keynames": ["b", "c", "d"], +
"keytypes": ["smallint", "integer", "bigint"], +
"keyvalues": [1, 2, 3] +
} +
} +
] +
}
{ +
"change": [ +
{ +
"kind": "delete", +
"schema": "public", +
"table": "table_with_pk", +
"oldkeys": { +
"keynames": ["b", "c", "d"], +
"keytypes": ["smallint", "integer", "bigint"], +
"keyvalues": [1, 2, 3] +
} +
} +
] +
}
(3 rows)
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'format-version', '1', 'pretty-print', '1', 'include-typmod', '0');
data
-------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
{ +
"change": [ +
{ +
"kind": "insert", +
"schema": "public", +
"table": "table_with_pk", +
"columnnames": ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p"], +
"columntypes": ["int2", "int2", "int4", "int8", "numeric", "float4", "float8", "bpchar", "varchar", "text", "varbit", "timestamp", "date", "bool", "json", "tsvector"], +
"columnvalues": [1, 1, 2, 3, 3.540, 876.563, 1.23, "teste ", "testando", "um texto longo", "001110010101010", "Sat Nov 02 17:30:52 2013", "02-04-2013", true, "{ \"a\": 123 }", "'Old' 'Parr'"] +
} +
] +
}
{ +
"change": [ +
{ +
"kind": "update", +
"schema": "public", +
"table": "table_with_pk", +
"columnnames": ["a", "b", "c", "d", "e", "f", "g", "h", "i", "j", "k", "l", "m", "n", "o", "p"], +
"columntypes": ["int2", "int2", "int4", "int8", "numeric", "float4", "float8", "bpchar", "varchar", "text", "varbit", "timestamp", "date", "bool", "json", "tsvector"], +
"columnvalues": [1, 1, 2, 3, 3.540, -876.563, 1.23, "teste ", "testando", "um texto longo", "001110010101010", "Sat Nov 02 17:30:52 2013", "02-04-2013", true, "{ \"a\": 123 }", "'Old' 'Parr'"],+
"oldkeys": { +
"keynames": ["b", "c", "d"], +
"keytypes": ["int2", "int4", "int8"], +
"keyvalues": [1, 2, 3] +
} +
} +
] +
}
{ +
"change": [ +
{ +
"kind": "delete", +
"schema": "public", +
"table": "table_with_pk", +
"oldkeys": { +
"keynames": ["b", "c", "d"], +
"keytypes": ["int2", "int4", "int8"], +
"keyvalues": [1, 2, 3] +
} +
} +
] +
}
(3 rows)
SELECT 'stop' FROM pg_drop_replication_slot('regression_slot');
?column?
----------
stop
(1 row)
|
