citus/src/test/regress/expected/isolation_metadata_sync_deadlock.out

Parsed test spec with 3 sessions

starting permutation: enable-deadlock-detection reload-conf s2-start-session-level-connection s1-begin s1-update-1 s2-begin-on-worker s2-update-2-on-worker s2-truncate-on-worker s3-invalidate-metadata s3-resync s3-wait s2-update-1-on-worker s1-update-2 s1-commit s2-commit-on-worker disable-deadlock-detection reload-conf s2-stop-connection
create_distributed_table
---------------------------------------------------------------------

(1 row)

step enable-deadlock-detection:
  ALTER SYSTEM SET citus.distributed_deadlock_detection_factor TO 3;

step reload-conf:
    SELECT pg_reload_conf();

pg_reload_conf
---------------------------------------------------------------------
t
(1 row)

step s2-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57638);

start_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

step s1-begin:
  BEGIN;

step s1-update-1:
  UPDATE deadlock_detection_test SET some_val = 1 WHERE user_id = 1;

step s2-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

step s2-update-2-on-worker:
  SELECT run_commands_on_session_level_connection_to_node('UPDATE deadlock_detection_test SET some_val = 2 WHERE user_id = 2');

run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

step s2-truncate-on-worker:
    SELECT run_commands_on_session_level_connection_to_node('TRUNCATE t2');

run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

step s3-invalidate-metadata:
    update pg_dist_node SET metadatasynced = false;

step s3-resync:
  SELECT trigger_metadata_sync();

trigger_metadata_sync
---------------------------------------------------------------------

(1 row)

step s3-wait:
  SELECT pg_sleep(2);

pg_sleep
---------------------------------------------------------------------

(1 row)

step s2-update-1-on-worker:
  SELECT run_commands_on_session_level_connection_to_node('UPDATE deadlock_detection_test SET some_val = 2 WHERE user_id = 1');
 <waiting ...>
step s1-update-2: 
  UPDATE deadlock_detection_test SET some_val = 1 WHERE user_id = 2;

ERROR:  canceling the transaction since it was involved in a distributed deadlock
step s2-update-1-on-worker: <... completed>
run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

step s1-commit:
  COMMIT;

step s2-commit-on-worker:
  SELECT run_commands_on_session_level_connection_to_node('COMMIT');

run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

step disable-deadlock-detection:
  ALTER SYSTEM SET citus.distributed_deadlock_detection_factor TO -1;

step reload-conf:
    SELECT pg_reload_conf();

pg_reload_conf
---------------------------------------------------------------------
t
(1 row)

step s2-stop-connection:
 SELECT stop_session_level_connection_to_node();

stop_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)