File: apply_delay.out

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pglogical 2.4.6-1
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SELECT * FROM pglogical_regress_variables()
\gset
\c :subscriber_dsn
GRANT ALL ON SCHEMA public TO nonsuper;
SELECT E'\'' || current_database() || E'\'' AS subdb;
   subdb    
------------
 'postgres'
(1 row)

\gset
\c :provider_dsn
SELECT * FROM pglogical.create_replication_set('delay');
 create_replication_set 
------------------------
             3064111751
(1 row)

\c :subscriber_dsn
CREATE or REPLACE function int2interval (x integer) returns interval as
$$ select $1*'1 sec'::interval $$
language sql;
SELECT * FROM pglogical.create_subscription(
    subscription_name := 'test_subscription_delay',
    provider_dsn := (SELECT provider_dsn FROM pglogical_regress_variables()) || ' user=super',
	replication_sets := '{delay}',
	forward_origins := '{}',
	synchronize_structure := false,
	synchronize_data := false,
	apply_delay := int2interval(2) -- 2 seconds
);
 create_subscription 
---------------------
          1550781037
(1 row)

BEGIN;
SET LOCAL statement_timeout = '180s';
SELECT pglogical.wait_for_subscription_sync_complete('test_subscription_delay');
 wait_for_subscription_sync_complete 
-------------------------------------
 
(1 row)

COMMIT;
SELECT sync_kind, sync_subid, sync_nspname, sync_relname, sync_status IN ('y', 'r') FROM pglogical.local_sync_status ORDER BY 2,3,4;
 sync_kind | sync_subid | sync_nspname | sync_relname | ?column? 
-----------+------------+--------------+--------------+----------
 i         | 1550781037 |              |              | t
 f         | 3848008564 |              |              | t
(2 rows)

SELECT status FROM pglogical.show_subscription_status() WHERE subscription_name = 'test_subscription_delay';
   status    
-------------
 replicating
(1 row)

-- Make sure we see the slot and active connection
\c :provider_dsn
SELECT plugin, slot_type, database, active FROM pg_replication_slots;
      plugin      | slot_type |  database  | active 
------------------+-----------+------------+--------
 pglogical_output | logical   | regression | t
 pglogical_output | logical   | regression | t
(2 rows)

SELECT count(*) FROM pg_stat_replication;
 count 
-------
     2
(1 row)

CREATE TABLE public.timestamps (
        id text primary key,
        ts timestamptz
);
SELECT pglogical.replicate_ddl_command($$
    CREATE TABLE public.basic_dml1 (
        id serial primary key,
        other integer,
        data text,
        something interval
    );
$$);
 replicate_ddl_command 
-----------------------
 t
(1 row)

-- clear old applies, from any previous tests etc.
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
 wait_slot_confirm_lsn 
-----------------------
 
(1 row)

INSERT INTO timestamps VALUES ('ts1', CURRENT_TIMESTAMP);
SELECT * FROM pglogical.replication_set_add_table('delay', 'basic_dml1');
 replication_set_add_table 
---------------------------
 t
(1 row)

SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
 wait_slot_confirm_lsn 
-----------------------
 
(1 row)

INSERT INTO timestamps VALUES ('ts2', CURRENT_TIMESTAMP);
INSERT INTO basic_dml1(other, data, something)
VALUES (5, 'foo', '1 minute'::interval),
       (4, 'bar', '12 weeks'::interval),
       (3, 'baz', '2 years 1 hour'::interval),
       (2, 'qux', '8 months 2 days'::interval),
       (1, NULL, NULL);
SELECT pglogical.wait_slot_confirm_lsn(NULL, NULL);
 wait_slot_confirm_lsn 
-----------------------
 
(1 row)

INSERT INTO timestamps VALUES ('ts3', CURRENT_TIMESTAMP);
SELECT round (EXTRACT(EPOCH FROM (SELECT ts from timestamps where id = 'ts2')) -
       EXTRACT(EPOCH FROM (SELECT ts from timestamps where id = 'ts1'))) :: integer >= 2 as ddl_replication_delayed;
 ddl_replication_delayed 
-------------------------
 t
(1 row)

SELECT round (EXTRACT(EPOCH FROM (SELECT ts from timestamps where id = 'ts3')) -
       EXTRACT(EPOCH FROM (SELECT ts from timestamps where id = 'ts2'))) :: integer >= 2 as inserts_replication_delayed;
 inserts_replication_delayed 
-----------------------------
 t
(1 row)

\c :subscriber_dsn
SELECT * FROM basic_dml1;
 id | other | data |    something     
----+-------+------+------------------
  1 |     5 | foo  | @ 1 min
  2 |     4 | bar  | @ 84 days
  3 |     3 | baz  | @ 2 years 1 hour
  4 |     2 | qux  | @ 8 mons 2 days
  5 |     1 |      | 
(5 rows)

SELECT pglogical.drop_subscription('test_subscription_delay');
 drop_subscription 
-------------------
                 1
(1 row)

\c :provider_dsn
\set VERBOSITY terse
SELECT * FROM pglogical.drop_replication_set('delay');
 drop_replication_set 
----------------------
 t
(1 row)

DROP TABLE public.timestamps CASCADE;
SELECT pglogical.replicate_ddl_command($$
    DROP TABLE public.basic_dml1 CASCADE;
$$);
 replicate_ddl_command 
-----------------------
 t
(1 row)