diff options
Diffstat (limited to 'contrib/test_decoding/expected/slot.out')
| -rw-r--r-- | contrib/test_decoding/expected/slot.out | 387 |
1 files changed, 387 insertions, 0 deletions
diff --git a/contrib/test_decoding/expected/slot.out b/contrib/test_decoding/expected/slot.out new file mode 100644 index 0000000..ea72bf9 --- /dev/null +++ b/contrib/test_decoding/expected/slot.out @@ -0,0 +1,387 @@ +-- predictability +SET synchronous_commit = on; +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_p', 'test_decoding'); + ?column? +---------- + init +(1 row) + +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_t', 'test_decoding', true); + ?column? +---------- + init +(1 row) + +SELECT pg_drop_replication_slot('regression_slot_p'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_p', 'test_decoding', false); + ?column? +---------- + init +(1 row) + +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot_t2', 'test_decoding', true); + ?column? +---------- + init +(1 row) + +SELECT pg_create_logical_replication_slot('foo', 'nonexistent'); +ERROR: could not access file "nonexistent": No such file or directory +-- here we want to start a new session and wait till old one is gone +select pg_backend_pid() as oldpid \gset +\c - +SET synchronous_commit = on; +do 'declare c int = 0; +begin + while (select count(*) from pg_replication_slots where active_pid = ' + :'oldpid' + ') > 0 loop c := c + 1; perform pg_sleep(0.01); end loop; + raise log ''slot test looped % times'', c; +end'; +-- should fail because the temporary slots were dropped automatically +SELECT pg_drop_replication_slot('regression_slot_t'); +ERROR: replication slot "regression_slot_t" does not exist +SELECT pg_drop_replication_slot('regression_slot_t2'); +ERROR: replication slot "regression_slot_t2" does not exist +-- permanent slot has survived +SELECT pg_drop_replication_slot('regression_slot_p'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +-- test switching between slots in a session +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot1', 'test_decoding', true); + ?column? +---------- + init +(1 row) + +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; +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot2', 'test_decoding', true); + ?column? +---------- + init +(1 row) + +INSERT INTO replication_example(somedata, text) VALUES (1, 3); +SELECT data FROM pg_logical_slot_get_changes('regression_slot1', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + data +--------------------------------------------------------------------------------------------------------- + BEGIN + table public.replication_example: INSERT: id[integer]:1 somedata[integer]:1 text[character varying]:'1' + table public.replication_example: INSERT: id[integer]:2 somedata[integer]:1 text[character varying]:'2' + COMMIT + BEGIN + table public.replication_example: INSERT: id[integer]:3 somedata[integer]:1 text[character varying]:'3' + COMMIT +(7 rows) + +SELECT data FROM pg_logical_slot_get_changes('regression_slot2', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + data +--------------------------------------------------------------------------------------------------------- + BEGIN + table public.replication_example: INSERT: id[integer]:3 somedata[integer]:1 text[character varying]:'3' + COMMIT +(3 rows) + +INSERT INTO replication_example(somedata, text) VALUES (1, 4); +INSERT INTO replication_example(somedata, text) VALUES (1, 5); +SELECT pg_current_wal_lsn() AS wal_lsn \gset +INSERT INTO replication_example(somedata, text) VALUES (1, 6); +SELECT end_lsn FROM pg_replication_slot_advance('regression_slot1', :'wal_lsn') \gset +SELECT slot_name FROM pg_replication_slot_advance('regression_slot2', pg_current_wal_lsn()); + slot_name +------------------ + regression_slot2 +(1 row) + +SELECT :'wal_lsn' = :'end_lsn'; + ?column? +---------- + t +(1 row) + +SELECT data FROM pg_logical_slot_get_changes('regression_slot1', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + data +--------------------------------------------------------------------------------------------------------- + BEGIN + table public.replication_example: INSERT: id[integer]:6 somedata[integer]:1 text[character varying]:'6' + COMMIT +(3 rows) + +SELECT data FROM pg_logical_slot_get_changes('regression_slot2', NULL, NULL, 'include-xids', '0', 'skip-empty-xacts', '1'); + data +------ +(0 rows) + +DROP TABLE replication_example; +-- error +SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot1', 'test_decoding', true); +ERROR: replication slot "regression_slot1" already exists +-- both should error as they should be dropped on error +SELECT pg_drop_replication_slot('regression_slot1'); +ERROR: replication slot "regression_slot1" does not exist +SELECT pg_drop_replication_slot('regression_slot2'); +ERROR: replication slot "regression_slot2" does not exist +-- slot advance with physical slot, error with non-reserved slot +SELECT slot_name FROM pg_create_physical_replication_slot('regression_slot3'); + slot_name +------------------ + regression_slot3 +(1 row) + +SELECT pg_replication_slot_advance('regression_slot3', '0/0'); -- invalid LSN +ERROR: invalid target WAL LSN +SELECT pg_replication_slot_advance('regression_slot3', '0/1'); -- error +ERROR: replication slot "regression_slot3" cannot be advanced +DETAIL: This slot has never previously reserved WAL, or has been invalidated. +SELECT pg_drop_replication_slot('regression_slot3'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +-- +-- Test copy functions for logical replication slots +-- +-- Create and copy logical slots +SELECT 'init' FROM pg_create_logical_replication_slot('orig_slot1', 'test_decoding', false); + ?column? +---------- + init +(1 row) + +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'copied_slot1_no_change'); + ?column? +---------- + copy +(1 row) + +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'copied_slot1_change_plugin', false, 'pgoutput'); + ?column? +---------- + copy +(1 row) + +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'copied_slot1_change_plugin_temp', true, 'pgoutput'); + ?column? +---------- + copy +(1 row) + +-- Check all copied slots status +SELECT + o.slot_name, o.plugin, o.temporary, c.slot_name, c.plugin, c.temporary +FROM + (SELECT * FROM pg_replication_slots WHERE slot_name LIKE 'orig%') as o + LEFT JOIN pg_replication_slots as c ON o.restart_lsn = c.restart_lsn AND o.confirmed_flush_lsn = c.confirmed_flush_lsn +WHERE + o.slot_name != c.slot_name +ORDER BY o.slot_name, c.slot_name; + slot_name | plugin | temporary | slot_name | plugin | temporary +------------+---------------+-----------+---------------------------------+---------------+----------- + orig_slot1 | test_decoding | f | copied_slot1_change_plugin | pgoutput | f + orig_slot1 | test_decoding | f | copied_slot1_change_plugin_temp | pgoutput | t + orig_slot1 | test_decoding | f | copied_slot1_no_change | test_decoding | f +(3 rows) + +-- Now we have maximum 4 replication slots. Check slots are properly +-- released even when raise error during creating the target slot. +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'failed'); -- error +ERROR: all replication slots are in use +HINT: Free one or increase max_replication_slots. +-- temporary slots were dropped automatically +SELECT pg_drop_replication_slot('orig_slot1'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +SELECT pg_drop_replication_slot('copied_slot1_no_change'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +SELECT pg_drop_replication_slot('copied_slot1_change_plugin'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +-- Test based on the temporary logical slot +SELECT 'init' FROM pg_create_logical_replication_slot('orig_slot2', 'test_decoding', true); + ?column? +---------- + init +(1 row) + +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot2', 'copied_slot2_no_change'); + ?column? +---------- + copy +(1 row) + +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot2', 'copied_slot2_change_plugin', true, 'pgoutput'); + ?column? +---------- + copy +(1 row) + +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot2', 'copied_slot2_change_plugin_temp', false, 'pgoutput'); + ?column? +---------- + copy +(1 row) + +-- Check all copied slots status +SELECT + o.slot_name, o.plugin, o.temporary, c.slot_name, c.plugin, c.temporary +FROM + (SELECT * FROM pg_replication_slots WHERE slot_name LIKE 'orig%') as o + LEFT JOIN pg_replication_slots as c ON o.restart_lsn = c.restart_lsn AND o.confirmed_flush_lsn = c.confirmed_flush_lsn +WHERE + o.slot_name != c.slot_name +ORDER BY o.slot_name, c.slot_name; + slot_name | plugin | temporary | slot_name | plugin | temporary +------------+---------------+-----------+---------------------------------+---------------+----------- + orig_slot2 | test_decoding | t | copied_slot2_change_plugin | pgoutput | t + orig_slot2 | test_decoding | t | copied_slot2_change_plugin_temp | pgoutput | f + orig_slot2 | test_decoding | t | copied_slot2_no_change | test_decoding | t +(3 rows) + +-- Cannot copy a logical slot to a physical slot +SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'failed'); -- error +ERROR: cannot copy physical replication slot "orig_slot2" as a logical replication slot +-- temporary slots were dropped automatically +SELECT pg_drop_replication_slot('copied_slot2_change_plugin_temp'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +-- +-- Test copy functions for physical replication slots +-- +-- Create and copy physical slots +SELECT 'init' FROM pg_create_physical_replication_slot('orig_slot1', true); + ?column? +---------- + init +(1 row) + +SELECT 'init' FROM pg_create_physical_replication_slot('orig_slot2', false); + ?column? +---------- + init +(1 row) + +SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot1', 'copied_slot1_no_change'); + ?column? +---------- + copy +(1 row) + +SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot1', 'copied_slot1_temp', true); + ?column? +---------- + copy +(1 row) + +-- Check all copied slots status. Since all slots don't reserve WAL we check only other fields. +SELECT slot_name, slot_type, temporary FROM pg_replication_slots; + slot_name | slot_type | temporary +------------------------+-----------+----------- + orig_slot1 | physical | f + orig_slot2 | physical | f + copied_slot1_no_change | physical | f + copied_slot1_temp | physical | t +(4 rows) + +-- Cannot copy a physical slot to a logical slot +SELECT 'copy' FROM pg_copy_logical_replication_slot('orig_slot1', 'failed'); -- error +ERROR: cannot copy logical replication slot "orig_slot1" as a physical replication slot +-- Cannot copy a physical slot that doesn't reserve WAL +SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'failed'); -- error +ERROR: cannot copy a replication slot that doesn't reserve WAL +-- temporary slots were dropped automatically +SELECT pg_drop_replication_slot('orig_slot1'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +SELECT pg_drop_replication_slot('orig_slot2'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +SELECT pg_drop_replication_slot('copied_slot1_no_change'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +-- Test based on the temporary physical slot +SELECT 'init' FROM pg_create_physical_replication_slot('orig_slot2', true, true); + ?column? +---------- + init +(1 row) + +SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'copied_slot2_no_change'); + ?column? +---------- + copy +(1 row) + +SELECT 'copy' FROM pg_copy_physical_replication_slot('orig_slot2', 'copied_slot2_notemp', false); + ?column? +---------- + copy +(1 row) + +-- Check all copied slots status +SELECT + o.slot_name, o.temporary, c.slot_name, c.temporary +FROM + (SELECT * FROM pg_replication_slots WHERE slot_name LIKE 'orig%') as o + LEFT JOIN pg_replication_slots as c ON o.restart_lsn = c.restart_lsn +WHERE + o.slot_name != c.slot_name +ORDER BY o.slot_name, c.slot_name; + slot_name | temporary | slot_name | temporary +------------+-----------+------------------------+----------- + orig_slot2 | t | copied_slot2_no_change | t + orig_slot2 | t | copied_slot2_notemp | f +(2 rows) + +SELECT pg_drop_replication_slot('orig_slot2'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +SELECT pg_drop_replication_slot('copied_slot2_no_change'); + pg_drop_replication_slot +-------------------------- + +(1 row) + +SELECT pg_drop_replication_slot('copied_slot2_notemp'); + pg_drop_replication_slot +-------------------------- + +(1 row) + |