diff options
Diffstat (limited to 'contrib/test_decoding/sql/ddl.sql')
| -rw-r--r-- | contrib/test_decoding/sql/ddl.sql | 445 |
1 files changed, 445 insertions, 0 deletions
diff --git a/contrib/test_decoding/sql/ddl.sql b/contrib/test_decoding/sql/ddl.sql new file mode 100644 index 0000000..e8b6444 --- /dev/null +++ b/contrib/test_decoding/sql/ddl.sql @@ -0,0 +1,445 @@ +-- predictability +SET synchronous_commit = on; + +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding'); +-- fail because of an already existing slot +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding'); +-- fail because of an invalid name +SELECT 'init' FROM pg_create_logical_replication_slot('Invalid Name', 'test_decoding'); + +-- fail twice because of an invalid parameter values +SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', 'frakbar'); +SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'nonexistent-option', 'frakbar'); +SELECT 'init' FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', 'frakbar'); + +-- succeed once +SELECT pg_drop_replication_slot('regression_slot'); +-- fail +SELECT pg_drop_replication_slot('regression_slot'); + +-- check that we're detecting a streaming rep slot used for logical decoding +SELECT 'init' FROM pg_create_physical_replication_slot('repl'); +SELECT data FROM pg_logical_slot_get_changes('repl', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); +SELECT pg_drop_replication_slot('repl'); + + +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'test_decoding'); + +/* check whether status function reports us, only reproduceable columns */ +SELECT slot_name, plugin, slot_type, active, + NOT catalog_xmin IS NULL AS catalog_xmin_set, + xmin IS NULl AS data_xmin_not_set, + pg_wal_lsn_diff(restart_lsn, '0/01000000') > 0 AS some_wal +FROM pg_replication_slots; + +/* + * Check that changes are handled correctly when interleaved with ddl + */ +CREATE TABLE replication_example(id SERIAL PRIMARY KEY, somedata int, text varchar(120)); +BEGIN; +INSERT INTO replication_example(somedata, text) VALUES (1, 1); +INSERT INTO replication_example(somedata, text) VALUES (1, 2); +COMMIT; + +ALTER TABLE replication_example ADD COLUMN bar int; + +INSERT INTO replication_example(somedata, text, bar) VALUES (2, 1, 4); + +BEGIN; +INSERT INTO replication_example(somedata, text, bar) VALUES (2, 2, 4); +INSERT INTO replication_example(somedata, text, bar) VALUES (2, 3, 4); +INSERT INTO replication_example(somedata, text, bar) VALUES (2, 4, NULL); +COMMIT; + +ALTER TABLE replication_example DROP COLUMN bar; +INSERT INTO replication_example(somedata, text) VALUES (3, 1); + +BEGIN; +INSERT INTO replication_example(somedata, text) VALUES (3, 2); +INSERT INTO replication_example(somedata, text) VALUES (3, 3); +COMMIT; + +ALTER TABLE replication_example RENAME COLUMN text TO somenum; + +INSERT INTO replication_example(somedata, somenum) VALUES (4, 1); + +-- collect all changes +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +ALTER TABLE replication_example ALTER COLUMN somenum TYPE int4 USING (somenum::int4); +-- check that this doesn't produce any changes from the heap rewrite +SELECT count(data) FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +INSERT INTO replication_example(somedata, somenum) VALUES (5, 1); + +BEGIN; +INSERT INTO replication_example(somedata, somenum) VALUES (6, 1); +ALTER TABLE replication_example ADD COLUMN zaphod1 int; +INSERT INTO replication_example(somedata, somenum, zaphod1) VALUES (6, 2, 1); +ALTER TABLE replication_example ADD COLUMN zaphod2 int; +INSERT INTO replication_example(somedata, somenum, zaphod2) VALUES (6, 3, 1); +INSERT INTO replication_example(somedata, somenum, zaphod1) VALUES (6, 4, 2); +COMMIT; + +-- show changes +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- ON CONFLICT DO UPDATE support +BEGIN; +INSERT INTO replication_example(id, somedata, somenum) SELECT i, i, i FROM generate_series(-15, 15) i + ON CONFLICT (id) DO UPDATE SET somenum = excluded.somenum + 1; +COMMIT; + +/* display results */ +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- MERGE support +BEGIN; +MERGE INTO replication_example t + USING (SELECT i as id, i as data, i as num FROM generate_series(-20, 5) i) s + ON t.id = s.id + WHEN MATCHED AND t.id < 0 THEN + UPDATE SET somenum = somenum + 1 + WHEN MATCHED AND t.id >= 0 THEN + DELETE + WHEN NOT MATCHED THEN + INSERT VALUES (s.*); +COMMIT; + +/* display results */ +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +CREATE TABLE tr_unique(id2 serial unique NOT NULL, data int); +INSERT INTO tr_unique(data) VALUES(10); +ALTER TABLE tr_unique RENAME TO tr_pkey; +ALTER TABLE tr_pkey ADD COLUMN id serial primary key; +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1', 'include-rewrites', '1'); + +INSERT INTO tr_pkey(data) VALUES(1); +--show deletion with primary key +DELETE FROM tr_pkey; + +/* display results */ +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +/* + * check that disk spooling works (also for logical messages) + */ +BEGIN; +CREATE TABLE tr_etoomuch (id serial primary key, data int); +INSERT INTO tr_etoomuch(data) SELECT g.i FROM generate_series(1, 10234) g(i); +SELECT 'tx logical msg' FROM pg_logical_emit_message(true, 'test', 'tx logical msg'); +DELETE FROM tr_etoomuch WHERE id < 5000; +UPDATE tr_etoomuch SET data = - data WHERE id > 5000; +CREATE TABLE tr_oddlength (id text primary key, data text); +INSERT INTO tr_oddlength VALUES('ab', 'foo'); +COMMIT; + +/* display results, but hide most of the output */ +SELECT count(*), min(data), max(data) +FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') +GROUP BY substring(data, 1, 24) +ORDER BY 1,2; + +-- check updates of primary keys work correctly +BEGIN; +CREATE TABLE spoolme AS SELECT g.i FROM generate_series(1, 5000) g(i); +UPDATE tr_etoomuch SET id = -id WHERE id = 5000; +UPDATE tr_oddlength SET id = 'x', data = 'quux'; +UPDATE tr_oddlength SET id = 'yy', data = 'a'; +DELETE FROM spoolme; +DROP TABLE spoolme; +COMMIT; + +SELECT data +FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') +WHERE data ~ 'UPDATE'; + +-- check that a large, spooled, upsert works +INSERT INTO tr_etoomuch (id, data) +SELECT g.i, -g.i FROM generate_series(8000, 12000) g(i) +ON CONFLICT(id) DO UPDATE SET data = EXCLUDED.data; + +SELECT substring(data, 1, 29), count(*) +FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1') WITH ORDINALITY +GROUP BY 1 +ORDER BY min(ordinality); + +/* + * check whether we decode subtransactions correctly in relation with each + * other + */ +CREATE TABLE tr_sub (id serial primary key, path text); + +-- toplevel, subtxn, toplevel, subtxn, subtxn +BEGIN; +INSERT INTO tr_sub(path) VALUES ('1-top-#1'); + +SAVEPOINT a; +INSERT INTO tr_sub(path) VALUES ('1-top-1-#1'); +INSERT INTO tr_sub(path) VALUES ('1-top-1-#2'); +RELEASE SAVEPOINT a; + +SAVEPOINT b; +SAVEPOINT c; +INSERT INTO tr_sub(path) VALUES ('1-top-2-1-#1'); +INSERT INTO tr_sub(path) VALUES ('1-top-2-1-#2'); +RELEASE SAVEPOINT c; +INSERT INTO tr_sub(path) VALUES ('1-top-2-#1'); +RELEASE SAVEPOINT b; +COMMIT; + +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- check that we handle xlog assignments correctly +BEGIN; +-- nest 80 subtxns +SAVEPOINT subtop;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a;SAVEPOINT a; +-- assign xid by inserting +INSERT INTO tr_sub(path) VALUES ('2-top-1...--#1'); +INSERT INTO tr_sub(path) VALUES ('2-top-1...--#2'); +INSERT INTO tr_sub(path) VALUES ('2-top-1...--#3'); +RELEASE SAVEPOINT subtop; +INSERT INTO tr_sub(path) VALUES ('2-top-#1'); +COMMIT; + +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- make sure rollbacked subtransactions aren't decoded +BEGIN; +INSERT INTO tr_sub(path) VALUES ('3-top-2-#1'); +SAVEPOINT a; +INSERT INTO tr_sub(path) VALUES ('3-top-2-1-#1'); +SAVEPOINT b; +INSERT INTO tr_sub(path) VALUES ('3-top-2-2-#1'); +ROLLBACK TO SAVEPOINT b; +INSERT INTO tr_sub(path) VALUES ('3-top-2-#2'); +COMMIT; + +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- test whether a known, but not yet logged toplevel xact, followed by a +-- subxact commit is handled correctly +BEGIN; +SELECT pg_current_xact_id() != '0'; -- so no fixed xid apears in the outfile +SAVEPOINT a; +INSERT INTO tr_sub(path) VALUES ('4-top-1-#1'); +RELEASE SAVEPOINT a; +COMMIT; + +-- test whether a change in a subtransaction, in an unknown toplevel +-- xact is handled correctly. +BEGIN; +SAVEPOINT a; +INSERT INTO tr_sub(path) VALUES ('5-top-1-#1'); +COMMIT; + + +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- check that DDL in aborted subtransactions handled correctly +CREATE TABLE tr_sub_ddl(data int); +BEGIN; +SAVEPOINT a; +ALTER TABLE tr_sub_ddl ALTER COLUMN data TYPE text; +INSERT INTO tr_sub_ddl VALUES ('blah-blah'); +ROLLBACK TO SAVEPOINT a; +ALTER TABLE tr_sub_ddl ALTER COLUMN data TYPE bigint; +INSERT INTO tr_sub_ddl VALUES(43); +COMMIT; + +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + + +/* + * Check whether treating a table as a catalog table works somewhat + */ +CREATE TABLE replication_metadata ( + id serial primary key, + relation name NOT NULL, + options text[] +) +WITH (user_catalog_table = true) +; +\d+ replication_metadata + +INSERT INTO replication_metadata(relation, options) +VALUES ('foo', ARRAY['a', 'b']); + +ALTER TABLE replication_metadata RESET (user_catalog_table); +\d+ replication_metadata + +INSERT INTO replication_metadata(relation, options) +VALUES ('bar', ARRAY['a', 'b']); + +ALTER TABLE replication_metadata SET (user_catalog_table = true); +\d+ replication_metadata + +INSERT INTO replication_metadata(relation, options) +VALUES ('blub', NULL); + +-- make sure rewrites don't work +ALTER TABLE replication_metadata ADD COLUMN rewritemeornot int; +ALTER TABLE replication_metadata ALTER COLUMN rewritemeornot TYPE text; + +ALTER TABLE replication_metadata SET (user_catalog_table = false); +\d+ replication_metadata + +INSERT INTO replication_metadata(relation, options) +VALUES ('zaphod', NULL); + +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +/* + * check whether we handle updates/deletes correct with & without a pkey + */ + +/* we should handle the case without a key at all more gracefully */ +CREATE TABLE table_without_key(id serial, data int); +INSERT INTO table_without_key(data) VALUES(1),(2); +DELETE FROM table_without_key WHERE data = 1; +-- won't log old keys +UPDATE table_without_key SET data = 3 WHERE data = 2; +UPDATE table_without_key SET id = -id; +UPDATE table_without_key SET id = -id; +-- should log the full old row now +ALTER TABLE table_without_key REPLICA IDENTITY FULL; +UPDATE table_without_key SET data = 3 WHERE data = 2; +UPDATE table_without_key SET id = -id; +UPDATE table_without_key SET id = -id; +-- ensure that FULL correctly deals with new columns +ALTER TABLE table_without_key ADD COLUMN new_column text; +UPDATE table_without_key SET id = -id; +UPDATE table_without_key SET id = -id, new_column = 'someval'; +DELETE FROM table_without_key WHERE data = 3; + +CREATE TABLE table_with_pkey(id serial primary key, data int); +INSERT INTO table_with_pkey(data) VALUES(1), (2); +DELETE FROM table_with_pkey WHERE data = 1; +-- should log the old pkey +UPDATE table_with_pkey SET data = 3 WHERE data = 2; +UPDATE table_with_pkey SET id = -id; +UPDATE table_with_pkey SET id = -id; +-- check that we log nothing despite having a pkey +ALTER TABLE table_without_key REPLICA IDENTITY NOTHING; +UPDATE table_with_pkey SET id = -id; +-- check that we log everything despite having a pkey +ALTER TABLE table_without_key REPLICA IDENTITY FULL; +UPDATE table_with_pkey SET id = -id; +DELETE FROM table_with_pkey WHERE data = 3; + +CREATE TABLE table_with_unique_not_null(id serial unique, data int); +ALTER TABLE table_with_unique_not_null ALTER COLUMN id SET NOT NULL; --already set +-- won't log anything, replica identity not setup +INSERT INTO table_with_unique_not_null(data) VALUES(1), (2); +DELETE FROM table_with_unique_not_null WHERE data = 1; +UPDATE table_with_unique_not_null SET data = 3 WHERE data = 2; +UPDATE table_with_unique_not_null SET id = -id; +UPDATE table_with_unique_not_null SET id = -id; +DELETE FROM table_with_unique_not_null WHERE data = 3; +-- should log old key +ALTER TABLE table_with_unique_not_null REPLICA IDENTITY USING INDEX table_with_unique_not_null_id_key; +INSERT INTO table_with_unique_not_null(data) VALUES(1), (2); +DELETE FROM table_with_unique_not_null WHERE data = 1; +UPDATE table_with_unique_not_null SET data = 3 WHERE data = 2; +UPDATE table_with_unique_not_null SET id = -id; +UPDATE table_with_unique_not_null SET id = -id; +DELETE FROM table_with_unique_not_null WHERE data = 3; + +-- check tables with dropped indexes used in REPLICA IDENTITY +-- table with primary key +CREATE TABLE table_dropped_index_with_pk (a int PRIMARY KEY, b int, c int); +CREATE UNIQUE INDEX table_dropped_index_with_pk_idx + ON table_dropped_index_with_pk(a); +ALTER TABLE table_dropped_index_with_pk REPLICA IDENTITY + USING INDEX table_dropped_index_with_pk_idx; +DROP INDEX table_dropped_index_with_pk_idx; +INSERT INTO table_dropped_index_with_pk VALUES (1,1,1), (2,2,2), (3,3,3); +UPDATE table_dropped_index_with_pk SET a = 4 WHERE a = 1; +UPDATE table_dropped_index_with_pk SET b = 5 WHERE a = 2; +UPDATE table_dropped_index_with_pk SET b = 6, c = 7 WHERE a = 3; +DELETE FROM table_dropped_index_with_pk WHERE b = 1; +DELETE FROM table_dropped_index_with_pk WHERE a = 3; +DROP TABLE table_dropped_index_with_pk; + +-- table without primary key +CREATE TABLE table_dropped_index_no_pk (a int NOT NULL, b int, c int); +CREATE UNIQUE INDEX table_dropped_index_no_pk_idx + ON table_dropped_index_no_pk(a); +ALTER TABLE table_dropped_index_no_pk REPLICA IDENTITY + USING INDEX table_dropped_index_no_pk_idx; +DROP INDEX table_dropped_index_no_pk_idx; +INSERT INTO table_dropped_index_no_pk VALUES (1,1,1), (2,2,2), (3,3,3); +UPDATE table_dropped_index_no_pk SET a = 4 WHERE a = 1; +UPDATE table_dropped_index_no_pk SET b = 5 WHERE a = 2; +UPDATE table_dropped_index_no_pk SET b = 6, c = 7 WHERE a = 3; +DELETE FROM table_dropped_index_no_pk WHERE b = 1; +DELETE FROM table_dropped_index_no_pk WHERE a = 3; +DROP TABLE table_dropped_index_no_pk; + +-- check toast support +BEGIN; +CREATE SEQUENCE toasttable_rand_seq START 79 INCREMENT 1499; -- portable "random" +CREATE TABLE toasttable( + id serial primary key, + toasted_col1 text, + rand1 float8 DEFAULT nextval('toasttable_rand_seq'), + toasted_col2 text, + rand2 float8 DEFAULT nextval('toasttable_rand_seq') + ); +COMMIT; +-- uncompressed external toast data +INSERT INTO toasttable(toasted_col1) SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i); + +-- compressed external toast data +INSERT INTO toasttable(toasted_col2) SELECT repeat(string_agg(to_char(g.i, 'FM0000'), ''), 50) FROM generate_series(1, 500) g(i); + +-- update of existing column +UPDATE toasttable + SET toasted_col1 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i)) +WHERE id = 1; + +-- This output is extremely wide, and using aligned mode causes psql to +-- produce 200kB of useless dashes. Turn that off temporarily to avoid it. +\pset format unaligned +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); +\pset format aligned + +INSERT INTO toasttable(toasted_col1) SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i); + +-- update of second column, first column unchanged +UPDATE toasttable + SET toasted_col2 = (SELECT string_agg(g.i::text, '') FROM generate_series(1, 2000) g(i)) +WHERE id = 1; + +-- make sure we decode correctly even if the toast table is gone +DROP TABLE toasttable; + +\pset format unaligned +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + +-- done, free logical replication slot +SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); +\pset format aligned + +SELECT pg_drop_replication_slot('regression_slot'); + +/* check that the slot is gone */ +\x +SELECT * FROM pg_replication_slots; +\x |