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Diffstat (limited to '')
-rw-r--r-- | src/test/isolation/specs/nowait-3.spec | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/src/test/isolation/specs/nowait-3.spec b/src/test/isolation/specs/nowait-3.spec new file mode 100644 index 0000000..06fb762 --- /dev/null +++ b/src/test/isolation/specs/nowait-3.spec @@ -0,0 +1,33 @@ +# 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 |