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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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