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# Test locking of a tuple with a committed update. When the lock does not
# conflict with the update, no blocking and no serializability errors should
# occur.
setup
{
DROP TABLE IF EXISTS lcu_table;
CREATE TABLE lcu_table (id INTEGER PRIMARY KEY, value TEXT);
INSERT INTO lcu_table VALUES (1, 'one');
}
teardown
{
DROP TABLE lcu_table;
}
session s1
step s1b { BEGIN; }
step s1l { SELECT pg_advisory_lock(380170116); }
step s1u { UPDATE lcu_table SET value = 'two' WHERE id = 1; }
step s1hint { SELECT * FROM lcu_table; }
step s1ul { SELECT pg_advisory_unlock(380170116); }
step s1c { COMMIT; }
teardown { SELECT pg_advisory_unlock_all(); }
session s2
step s2b1 { BEGIN ISOLATION LEVEL READ COMMITTED; }
step s2b2 { BEGIN ISOLATION LEVEL REPEATABLE READ; }
step s2b3 { BEGIN ISOLATION LEVEL SERIALIZABLE; }
step s2l { SELECT * FROM lcu_table WHERE pg_advisory_lock(380170116) IS NOT NULL FOR KEY SHARE; }
step s2c { COMMIT; }
teardown { SELECT pg_advisory_unlock_all(); }
permutation s1b s2b1 s1l s2l s1u s1c s1ul s2c
permutation s1b s2b1 s1l s1u s2l s1c s1ul s2c
permutation s1b s2b1 s1l s2l s1ul s1u s1c s2c
permutation s1b s2b1 s1l s1u s1ul s2l s1c s2c
permutation s1b s2b1 s1l s2l s1u s1c s1hint s1ul s2c
permutation s1b s2b1 s1l s1u s2l s1c s1hint s1ul s2c
permutation s1b s2b1 s1l s2l s1ul s1u s1c s1hint s2c
permutation s1b s2b1 s1l s1u s1ul s2l s1c s1hint s2c
permutation s1b s2b2 s1l s2l s1u s1c s1ul s2c
permutation s1b s2b2 s1l s1u s2l s1c s1ul s2c
permutation s1b s2b2 s1l s2l s1ul s1u s1c s2c
permutation s1b s2b2 s1l s1u s1ul s2l s1c s2c
permutation s1b s2b2 s1l s2l s1u s1c s1hint s1ul s2c
permutation s1b s2b2 s1l s1u s2l s1c s1hint s1ul s2c
permutation s1b s2b2 s1l s2l s1ul s1u s1c s1hint s2c
permutation s1b s2b2 s1l s1u s1ul s2l s1c s1hint s2c
permutation s1b s2b3 s1l s2l s1u s1c s1ul s2c
permutation s1b s2b3 s1l s1u s2l s1c s1ul s2c
permutation s1b s2b3 s1l s2l s1ul s1u s1c s2c
permutation s1b s2b3 s1l s1u s1ul s2l s1c s2c
permutation s1b s2b3 s1l s2l s1u s1c s1hint s1ul s2c
permutation s1b s2b3 s1l s1u s2l s1c s1hint s1ul s2c
permutation s1b s2b3 s1l s2l s1ul s1u s1c s1hint s2c
permutation s1b s2b3 s1l s1u s1ul s2l s1c s1hint s2c
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