SELECT 'init' FROM pg_create_logical_replication_slot('regression_slot', 'mppdb_decoding');
 ?column? 
----------
 init
(1 row)

create table a (a int, b int);
insert into a values(generate_series(1, 10), 1);
update a set b = b+1 where b = 1;
delete a where b = 2;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL);
                                                                                            data                                                                                             
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--?.*
--?.*
--?.*
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["1","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["2","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["3","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["4","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["5","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["6","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["7","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["8","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["9","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["10","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
--?.*
--?.*
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["1","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["2","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["3","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["4","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["5","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["6","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["7","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["8","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["9","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["10","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
--?.*
--?.*
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
--?.*
(38 rows)

set reporiginid = 1;
insert into a values(generate_series(1, 10), 1);
update a set b = b+1 where b = 1;
delete a where b = 2;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL);
 data 
------
(0 rows)

insert into a values(generate_series(1, 10), 1);
update a set b = b+1 where b = 1;
delete a where b = 2;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'only-local', '0');
                                                                                            data                                                                                             
---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------
--?.*
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["1","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["2","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["3","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["4","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["5","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["6","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["7","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["8","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["9","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"INSERT","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["10","1"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
--?.*
--?.*
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["1","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["2","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["3","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["4","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["5","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["6","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["7","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["8","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["9","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"UPDATE","columns_name":["a","b"],"columns_type":["integer","integer"],"columns_val":["10","2"],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
--?.*
--?.*
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
 {"table_name":"public.a","op_type":"DELETE","columns_name":[],"columns_type":[],"columns_val":[],"old_keys_name":[],"old_keys_type":[],"old_keys_val":[]}
--?.*
(36 rows)

insert into a values(generate_series(1, 10), 1);
update a set b = b+1 where b = 1;
delete a where b = 2;
SELECT data FROM pg_logical_slot_get_changes('regression_slot', NULL, NULL, 'only-local', '1');
 data 
------
(0 rows)

SELECT pg_drop_replication_slot('regression_slot');
WARNING:  replicationSlotMinLSN is InvalidXLogRecPtr!!!
CONTEXT:  referenced column: pg_drop_replication_slot
WARNING:  replicationSlotMaxLSN is InvalidXLogRecPtr!!!
CONTEXT:  referenced column: pg_drop_replication_slot
 pg_drop_replication_slot 
--------------------------
 
(1 row)

drop table a;