Parsed test spec with 2 sessions

starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-update-ref-table s2-start-session-level-connection s2-begin-on-worker s2-update-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-update-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('UPDATE ref_table SET value_1 = 12 WHERE user_id = 1');

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

(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 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-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('UPDATE ref_table SET value_1 = 12 WHERE user_id = 1');
 <waiting ...>
step s1-commit-worker: 
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

step s2-update-ref-table: <... completed>
run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-delete-from-ref-table s2-start-session-level-connection s2-begin-on-worker s2-update-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-delete-from-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('DELETE FROM ref_table WHERE user_id = 1');

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

(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 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-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('UPDATE ref_table SET value_1 = 12 WHERE user_id = 1');
 <waiting ...>
step s1-commit-worker: 
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

step s2-update-ref-table: <... completed>
run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-insert-into-ref-table s2-start-session-level-connection s2-begin-on-worker s2-update-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-insert-into-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('INSERT INTO ref_table VALUES(8,81),(9,91)');

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

(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 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-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('UPDATE ref_table SET value_1 = 12 WHERE user_id = 1');
 <waiting ...>
step s1-commit-worker: 
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

step s2-update-ref-table: <... completed>
run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-insert-into-ref-table s2-start-session-level-connection s2-begin-on-worker s2-insert-into-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-insert-into-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('INSERT INTO ref_table VALUES(8,81),(9,91)');

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

(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 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-insert-into-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('INSERT INTO ref_table VALUES(8,81),(9,91)');

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

(1 row)

step s1-commit-worker:
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-copy-to-ref-table s2-start-session-level-connection s2-begin-on-worker s2-update-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-copy-to-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('COPY ref_table FROM PROGRAM ''echo 10, 101 && echo 11, 111'' WITH CSV');

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

(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 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-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('UPDATE ref_table SET value_1 = 12 WHERE user_id = 1');
 <waiting ...>
step s1-commit-worker: 
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

step s2-update-ref-table: <... completed>
run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-copy-to-ref-table s2-start-session-level-connection s2-begin-on-worker s2-insert-into-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-copy-to-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('COPY ref_table FROM PROGRAM ''echo 10, 101 && echo 11, 111'' WITH CSV');

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

(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 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-insert-into-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('INSERT INTO ref_table VALUES(8,81),(9,91)');

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

(1 row)

step s1-commit-worker:
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-copy-to-ref-table s2-start-session-level-connection s2-begin-on-worker s2-copy-to-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-copy-to-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('COPY ref_table FROM PROGRAM ''echo 10, 101 && echo 11, 111'' WITH CSV');

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

(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 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-copy-to-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('COPY ref_table FROM PROGRAM ''echo 10, 101 && echo 11, 111'' WITH CSV');

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

(1 row)

step s1-commit-worker:
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s1-start-session-level-connection s1-begin-on-worker s1-select-for-update s2-start-session-level-connection s2-begin-on-worker s2-update-ref-table s1-commit-worker s2-commit-worker s1-stop-connection s2-stop-connection
step s1-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57637);

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

(1 row)

step s1-begin-on-worker:
 SELECT run_commands_on_session_level_connection_to_node('BEGIN');

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

(1 row)

step s1-select-for-update:
 SELECT run_commands_on_session_level_connection_to_node('SELECT * FROM ref_table FOR UPDATE');

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

(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 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-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('UPDATE ref_table SET value_1 = 12 WHERE user_id = 1');
 <waiting ...>
step s1-commit-worker: 
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

step s2-update-ref-table: <... completed>
run_commands_on_session_level_connection_to_node
---------------------------------------------------------------------

(1 row)

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

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

(1 row)

step s1-stop-connection:
 SELECT stop_session_level_connection_to_node();

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

(1 row)

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

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

(1 row)


starting permutation: s2-start-session-level-connection s2-begin-on-worker s2-insert-into-ref-table s1-begin s1-alter-table s2-commit-worker s1-commit s2-stop-connection
step s2-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57638);

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

(1 row)

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-insert-into-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('INSERT INTO ref_table VALUES(8,81),(9,91)');

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

(1 row)

step s1-begin:
 BEGIN;

step s1-alter-table:
 ALTER TABLE ref_table ADD CONSTRAINT rf_p_key PRIMARY KEY(user_id);
 <waiting ...>
step s2-commit-worker: 
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

step s1-alter-table: <... completed>
step s1-commit:
 COMMIT;

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

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

(1 row)


starting permutation: s2-start-session-level-connection s2-begin-on-worker s2-select-from-ref-table s1-begin s1-alter-table s2-commit-worker s1-commit s2-stop-connection
step s2-start-session-level-connection:
 SELECT start_session_level_connection_to_node('localhost', 57638);

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

(1 row)

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-select-from-ref-table:
 SELECT run_commands_on_session_level_connection_to_node('SELECT count(*) FROM ref_table');

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

(1 row)

step s1-begin:
 BEGIN;

step s1-alter-table:
 ALTER TABLE ref_table ADD CONSTRAINT rf_p_key PRIMARY KEY(user_id);
 <waiting ...>
step s2-commit-worker: 
    SELECT run_commands_on_session_level_connection_to_node('COMMIT');

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

(1 row)

step s1-alter-table: <... completed>
step s1-commit:
 COMMIT;

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

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

(1 row)