mirror of https://github.com/citusdata/citus.git
104 lines
3.1 KiB
Plaintext
104 lines
3.1 KiB
Plaintext
--
|
|
-- failure_on_create_subscription
|
|
--
|
|
-- Since the result of these tests depends on the success of background
|
|
-- process that creating the replication slot on the publisher. These
|
|
-- tests are separated.
|
|
CREATE SCHEMA IF NOT EXISTS move_shard;
|
|
SET SEARCH_PATH = move_shard;
|
|
SET citus.shard_count TO 4;
|
|
SET citus.next_shard_id TO 100;
|
|
SET citus.shard_replication_factor TO 1;
|
|
SELECT pg_backend_pid() as pid \gset
|
|
SELECT citus.mitmproxy('conn.allow()');
|
|
mitmproxy
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
CREATE TABLE t(id int PRIMARY KEY, int_data int, data text);
|
|
SELECT create_distributed_table('t', 'id');
|
|
create_distributed_table
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
CREATE VIEW shards_in_workers AS
|
|
SELECT shardid,
|
|
(CASE WHEN nodeport = :worker_1_port THEN 'worker1' ELSE 'worker2' END) AS worker
|
|
FROM pg_dist_placement NATURAL JOIN pg_dist_node
|
|
ORDER BY 1,2 ASC;
|
|
-- Insert some data
|
|
INSERT INTO t SELECT x, x+1, MD5(random()::text) FROM generate_series(1,100000) AS f(x);
|
|
-- Initial shard placements
|
|
SELECT * FROM shards_in_workers;
|
|
shardid | worker
|
|
---------------------------------------------------------------------
|
|
100 | worker2
|
|
101 | worker1
|
|
102 | worker2
|
|
103 | worker1
|
|
(4 rows)
|
|
|
|
-- failure on creating the subscription
|
|
SELECT citus.mitmproxy('conn.onQuery(query="CREATE SUBSCRIPTION").kill()');
|
|
mitmproxy
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
SELECT master_move_shard_placement(101, 'localhost', :worker_1_port, 'localhost', :worker_2_proxy_port);
|
|
WARNING: could not drop the replication slot "citus_shard_move_subscription" on publisher
|
|
DETAIL: The error was: ERROR: replication slot "citus_shard_move_subscription" does not exist
|
|
CONTEXT: while executing command on localhost:xxxxx
|
|
ERROR: connection not open
|
|
CONTEXT: while executing command on localhost:xxxxx
|
|
-- Verify that the shard is not moved and the number of rows are still 100k
|
|
SELECT * FROM shards_in_workers;
|
|
shardid | worker
|
|
---------------------------------------------------------------------
|
|
100 | worker2
|
|
101 | worker1
|
|
102 | worker2
|
|
103 | worker1
|
|
(4 rows)
|
|
|
|
SELECT count(*) FROM t;
|
|
count
|
|
---------------------------------------------------------------------
|
|
100000
|
|
(1 row)
|
|
|
|
-- Verify that shard can be moved after a temporary failure
|
|
SELECT citus.mitmproxy('conn.allow()');
|
|
mitmproxy
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
SELECT master_move_shard_placement(101, 'localhost', :worker_1_port, 'localhost', :worker_2_proxy_port);
|
|
master_move_shard_placement
|
|
---------------------------------------------------------------------
|
|
|
|
(1 row)
|
|
|
|
SELECT * FROM shards_in_workers;
|
|
shardid | worker
|
|
---------------------------------------------------------------------
|
|
100 | worker2
|
|
101 | worker2
|
|
102 | worker2
|
|
103 | worker1
|
|
(4 rows)
|
|
|
|
SELECT count(*) FROM t;
|
|
count
|
|
---------------------------------------------------------------------
|
|
100000
|
|
(1 row)
|
|
|
|
DROP SCHEMA move_shard CASCADE ;
|
|
NOTICE: drop cascades to 2 other objects
|
|
DETAIL: drop cascades to table t
|
|
drop cascades to view shards_in_workers
|