mirror of
https://git.postgresql.org/git/postgresql.git
synced 2024-09-30 09:51:15 +02:00
20 lines
625 B
Plaintext
20 lines
625 B
Plaintext
|
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>
|
||
|
error in steps s2e s1a: ERROR: could not serialize access due to concurrent update
|
||
|
step s1b: COMMIT;
|
||
|
step s2f: COMMIT;
|