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Parsed test spec with 3 sessions
starting permutation: ins subxov xmax s2sel s1c
step ins: TRUNCATE subxids; INSERT INTO subxids VALUES (0, 0);
step subxov: BEGIN; SELECT gen_subxids(100);
gen_subxids
-----------
(1 row)
step xmax: BEGIN; INSERT INTO subxids VALUES (99, 0); COMMIT;
step s2sel: SELECT val FROM subxids WHERE subx = 0;
val
---
0
(1 row)
step s1c: COMMIT;
starting permutation: ins subxov sub3 xmax s2brr s2s3 s3c s2s3 s2c s1c
step ins: TRUNCATE subxids; INSERT INTO subxids VALUES (0, 0);
step subxov: BEGIN; SELECT gen_subxids(100);
gen_subxids
-----------
(1 row)
step sub3: BEGIN; SAVEPOINT s; INSERT INTO subxids VALUES (1, 0);
step xmax: BEGIN; INSERT INTO subxids VALUES (99, 0); COMMIT;
step s2brr: BEGIN ISOLATION LEVEL REPEATABLE READ;
step s2s3: SELECT val FROM subxids WHERE subx = 1;
val
---
(0 rows)
step s3c: COMMIT;
step s2s3: SELECT val FROM subxids WHERE subx = 1;
val
---
(0 rows)
step s2c: COMMIT;
step s1c: COMMIT;
starting permutation: ins subxov sub3 xmax s2brc s2s3 s3c s2s3 s2c s1c
step ins: TRUNCATE subxids; INSERT INTO subxids VALUES (0, 0);
step subxov: BEGIN; SELECT gen_subxids(100);
gen_subxids
-----------
(1 row)
step sub3: BEGIN; SAVEPOINT s; INSERT INTO subxids VALUES (1, 0);
step xmax: BEGIN; INSERT INTO subxids VALUES (99, 0); COMMIT;
step s2brc: BEGIN ISOLATION LEVEL READ COMMITTED;
step s2s3: SELECT val FROM subxids WHERE subx = 1;
val
---
(0 rows)
step s3c: COMMIT;
step s2s3: SELECT val FROM subxids WHERE subx = 1;
val
---
0
(1 row)
step s2c: COMMIT;
step s1c: COMMIT;
starting permutation: ins subxov xmax s2upd s1c
step ins: TRUNCATE subxids; INSERT INTO subxids VALUES (0, 0);
step subxov: BEGIN; SELECT gen_subxids(100);
gen_subxids
-----------
(1 row)
step xmax: BEGIN; INSERT INTO subxids VALUES (99, 0); COMMIT;
step s2upd: UPDATE subxids SET val = 1 WHERE subx = 0; <waiting ...>
step s1c: COMMIT;
step s2upd: <... completed>
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