Parsed test spec with 3 sessions

starting permutation: s1b s2l s1q s3m s3v s2u s1c
step s1b: BEGIN ISOLATION LEVEL REPEATABLE READ; SELECT count(*) FROM iso_pt;
count
-----
23637
(1 row)

step s2l: SELECT pg_advisory_lock(7004);
pg_advisory_lock
----------------
                
(1 row)

step s1q: SELECT agree, parallel FROM iso_pt_q(7004, 0); <waiting ...>
step s3m: SELECT busy FROM sift.table_maintain('iso_pt');
busy
----
f   
(1 row)

step s3v: VACUUM iso_pt;
step s2u: SELECT pg_advisory_unlock(7004);
pg_advisory_unlock
------------------
t                 
(1 row)

step s1q: <... completed>
agree|parallel
-----+--------
t    |t       
(1 row)

step s1c: COMMIT;

starting permutation: s1b s2l s1q s3u s3d s3i s3m s3v s2u s1c
step s1b: BEGIN ISOLATION LEVEL REPEATABLE READ; SELECT count(*) FROM iso_pt;
count
-----
23637
(1 row)

step s2l: SELECT pg_advisory_lock(7004);
pg_advisory_lock
----------------
                
(1 row)

step s1q: SELECT agree, parallel FROM iso_pt_q(7004, 0); <waiting ...>
step s3u: UPDATE iso_pt SET v = v + 1000, k = k + 1 WHERE id % 5 = 0;
step s3d: DELETE FROM iso_pt WHERE id % 7 = 0;
step s3i: INSERT INTO iso_pt SELECT g, (g * 7919) % 1000, g % 100, repeat('x', 200) FROM generate_series(30001, 31000) g;
step s3m: SELECT busy FROM sift.table_maintain('iso_pt');
busy
----
f   
(1 row)

step s3v: VACUUM iso_pt;
step s2u: SELECT pg_advisory_unlock(7004);
pg_advisory_unlock
------------------
t                 
(1 row)

step s1q: <... completed>
agree|parallel
-----+--------
t    |t       
(1 row)

step s1c: COMMIT;

starting permutation: s1b s2l s1q s3i s3m s3v s2u s1c
step s1b: BEGIN ISOLATION LEVEL REPEATABLE READ; SELECT count(*) FROM iso_pt;
count
-----
23637
(1 row)

step s2l: SELECT pg_advisory_lock(7004);
pg_advisory_lock
----------------
                
(1 row)

step s1q: SELECT agree, parallel FROM iso_pt_q(7004, 0); <waiting ...>
step s3i: INSERT INTO iso_pt SELECT g, (g * 7919) % 1000, g % 100, repeat('x', 200) FROM generate_series(30001, 31000) g;
step s3m: SELECT busy FROM sift.table_maintain('iso_pt');
busy
----
f   
(1 row)

step s3v: VACUUM iso_pt;
step s2u: SELECT pg_advisory_unlock(7004);
pg_advisory_unlock
------------------
t                 
(1 row)

step s1q: <... completed>
agree|parallel
-----+--------
t    |t       
(1 row)

step s1c: COMMIT;

starting permutation: s1b s2l s1g s3u s3d s3i s3m s3v s2u s1c
step s1b: BEGIN ISOLATION LEVEL REPEATABLE READ; SELECT count(*) FROM iso_pt;
count
-----
23637
(1 row)

step s2l: SELECT pg_advisory_lock(7004);
pg_advisory_lock
----------------
                
(1 row)

step s1g: SELECT agree, parallel FROM iso_pt_q(0, 7004); <waiting ...>
step s3u: UPDATE iso_pt SET v = v + 1000, k = k + 1 WHERE id % 5 = 0;
step s3d: DELETE FROM iso_pt WHERE id % 7 = 0;
step s3i: INSERT INTO iso_pt SELECT g, (g * 7919) % 1000, g % 100, repeat('x', 200) FROM generate_series(30001, 31000) g;
step s3m: SELECT busy FROM sift.table_maintain('iso_pt');
busy
----
f   
(1 row)

step s3v: VACUUM iso_pt;
step s2u: SELECT pg_advisory_unlock(7004);
pg_advisory_unlock
------------------
t                 
(1 row)

step s1g: <... completed>
agree|parallel
-----+--------
t    |t       
(1 row)

step s1c: COMMIT;