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Commit80901b3

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Add decoding of sequences to test_decoding
Commit0da92dc improved the logical decoding infrastructure to handlesequences, and did various changes to related parts (WAL logging etc.).But it did not include any implementation of the new callbacks added toOutputPluginCallbacks.This extends test_decoding with two callbacks to decode sequences. Thedecoding of sequences may be disabled using 'include-sequences', a newoption of the output plugin.Author: Tomas Vondra, Cary HuangReviewed-by: Peter Eisentraut, Hannu Krosing, Andres FreundDiscussion:https://postgr.es/m/d045f3c2-6cfb-06d3-5540-e63c320df8bc@enterprisedb.comDiscussion:https://postgr.es/m/1710ed7e13b.cd7177461430746.3372264562543607781@highgo.ca
1 parent44fa848 commit80901b3

24 files changed

+567
-55
lines changed

‎contrib/test_decoding/Makefile

Lines changed: 2 additions & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -5,7 +5,8 @@ PGFILEDESC = "test_decoding - example of a logical decoding output plugin"
55

66
REGRESS = ddl xact rewrite toast permissions decoding_in_xact\
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decoding_into_rel binary prepared replorigin time messages\
8-
spill slot truncate stream stats twophase twophase_stream
8+
spill slot truncate stream stats twophase twophase_stream\
9+
sequence
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ISOLATION = mxact delayed_startup ondisk_startup concurrent_ddl_dml\
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oldest_xmin snapshot_transfer subxact_without_top concurrent_stream\
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twophase_snapshot

‎contrib/test_decoding/expected/ddl.out

Lines changed: 6 additions & 6 deletions
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‎contrib/test_decoding/expected/decoding_in_xact.out

Lines changed: 1 addition & 1 deletion
Original file line numberDiff line numberDiff line change
@@ -58,7 +58,7 @@ SELECT pg_current_xact_id() = '0';
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-- don't show yet, haven't committed
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INSERT INTO nobarf(data) VALUES('2');
61-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
61+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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data
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-----------------------------------------------------------
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BEGIN

‎contrib/test_decoding/expected/decoding_into_rel.out

Lines changed: 5 additions & 5 deletions
Original file line numberDiff line numberDiff line change
@@ -19,7 +19,7 @@ SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'inc
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CREATE TABLE somechange(id serial primary key);
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INSERT INTO somechange DEFAULT VALUES;
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CREATE TABLE changeresult AS
22-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
22+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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SELECT * FROM changeresult;
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data
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------------------------------------------------
@@ -29,9 +29,9 @@ SELECT * FROM changeresult;
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(3 rows)
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INSERT INTO changeresult
32-
SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
32+
SELECT data FROM pg_logical_slot_peek_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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INSERT INTO changeresult
34-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
34+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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SELECT * FROM changeresult;
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data
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--------------------------------------------------------------------------------------------------------------------------------------------------
@@ -63,7 +63,7 @@ DROP TABLE somechange;
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CREATE FUNCTION slot_changes_wrapper(slot_name name) RETURNS SETOF TEXT AS $$
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BEGIN
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RETURN QUERY
66-
SELECT data FROM pg_logical_slot_peek_changes(slot_name, NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
66+
SELECT data FROM pg_logical_slot_peek_changes(slot_name, NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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END$$ LANGUAGE plpgsql;
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SELECT * FROM slot_changes_wrapper('regression_slot');
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slot_changes_wrapper
@@ -84,7 +84,7 @@ SELECT * FROM slot_changes_wrapper('regression_slot');
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COMMIT
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(14 rows)
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87-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
87+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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data
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--------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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BEGIN

‎contrib/test_decoding/expected/mxact.out

Lines changed: 4 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -7,7 +7,7 @@ step s0init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_sl
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init
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(1 row)
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10-
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
10+
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'include-sequences', 'false');
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data
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----
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(0 rows)
@@ -27,7 +27,7 @@ t
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(1 row)
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step s0w: INSERT INTO do_write DEFAULT VALUES;
30-
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
30+
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'include-sequences', 'false');
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data
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--------------------------------------------
3333
BEGIN
@@ -50,7 +50,7 @@ step s0init: SELECT 'init' FROM pg_create_logical_replication_slot('isolation_sl
5050
init
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(1 row)
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53-
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
53+
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'include-sequences', 'false');
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data
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----
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(0 rows)
@@ -71,7 +71,7 @@ t
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step s0alter: ALTER TABLE do_write ADD column ts timestamptz;
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step s0w: INSERT INTO do_write DEFAULT VALUES;
74-
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
74+
step s0start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'include-sequences', 'false');
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data
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------------------------------------------------------------------------------
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BEGIN

‎contrib/test_decoding/expected/ondisk_startup.out

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -35,7 +35,7 @@ init
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step s2c: COMMIT;
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step s1insert: INSERT INTO do_write DEFAULT VALUES;
3737
step s1checkpoint: CHECKPOINT;
38-
step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
38+
step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'include-sequences', 'false');
3939
data
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--------------------------------------------------------------------
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BEGIN
@@ -46,7 +46,7 @@ COMMIT
4646
step s1insert: INSERT INTO do_write DEFAULT VALUES;
4747
step s1alter: ALTER TABLE do_write ADD COLUMN addedbys1 int;
4848
step s1insert: INSERT INTO do_write DEFAULT VALUES;
49-
step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false');
49+
step s1start: SELECT data FROM pg_logical_slot_get_changes('isolation_slot', NULL, NULL, 'include-xids', 'false', 'include-sequences', 'false');
5050
data
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--------------------------------------------------------------------------------------------
5252
BEGIN

‎contrib/test_decoding/expected/replorigin.out

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -72,9 +72,9 @@ SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_d
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-- origin tx
7373
INSERT INTO origin_tbl(data) VALUES ('will be replicated and decoded and decoded again');
7474
INSERT INTO target_tbl(data)
75-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
75+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
7676
-- as is normal, the insert into target_tbl shows up
77-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
77+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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data
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----------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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BEGIN

‎contrib/test_decoding/expected/rewrite.out

Lines changed: 2 additions & 2 deletions
Original file line numberDiff line numberDiff line change
@@ -64,7 +64,7 @@ SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_d
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CREATE TABLE replication_example(id SERIAL PRIMARY KEY, somedata int, text varchar(120));
6666
INSERT INTO replication_example(somedata) VALUES (1);
67-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
67+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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data
6969
----------------------------------------------------------------------------------------------------------
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BEGIN
@@ -141,7 +141,7 @@ VACUUM FULL pg_proc; VACUUM FULL pg_description; VACUUM FULL pg_shdescription; V
141141
INSERT INTO replication_example(somedata, testcolumn1, testcolumn3) VALUES (8, 6, 1);
142142
VACUUM FULL pg_proc; VACUUM FULL pg_description; VACUUM FULL pg_shdescription; VACUUM FULL iamalargetable;
143143
INSERT INTO replication_example(somedata, testcolumn1, testcolumn3) VALUES (9, 7, 1);
144-
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1');
144+
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-sequences', '0');
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data
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-----------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
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BEGIN

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