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Parsed test spec with 2 sessions
starting permutation: s2a s1a s2b s2c s2d s2e s1b s2f
step s2a: SELECT pg_advisory_lock(0);
pg_advisory_lock
step s1a: SELECT * FROM foo WHERE pg_advisory_lock(0) IS NOT NULL ORDER BY id LIMIT 1 FOR UPDATE SKIP LOCKED; <waiting ...>
step s2b: UPDATE foo SET data = data WHERE id = 1;
step s2c: BEGIN;
step s2d: UPDATE foo SET data = data WHERE id = 1;
step s2e: SELECT pg_advisory_unlock(0);
pg_advisory_unlock
t
step s1a: <... completed>
id data
2 x
step s1b: COMMIT;
step s2f: COMMIT;
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