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# Test NOWAIT with tuple locks.
setup
{
CREATE TABLE foo (
id int PRIMARY KEY,
data text NOT NULL
);
INSERT INTO foo VALUES (1, 'x');
}
teardown
{
DROP TABLE foo;
}
session s1
setup { BEGIN; }
step s1a { SELECT * FROM foo FOR UPDATE; }
step s1b { COMMIT; }
session s2
setup { BEGIN; }
step s2a { SELECT * FROM foo FOR UPDATE; }
step s2b { COMMIT; }
session s3
setup { BEGIN; }
step s3a { SELECT * FROM foo FOR UPDATE NOWAIT; }
step s3b { COMMIT; }
# s3 skips to second record due to tuple lock held by s2
permutation s1a s2a s3a s1b s2b s3b
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