177 lines
5.4 KiB
Plaintext
177 lines
5.4 KiB
Plaintext
SET SESSION innodb_lock_wait_timeout=1;
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SET SESSION innodb_lock_wait_timeout=1;
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#
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# Test READ UNCOMMITTED
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#
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CREATE TABLE t1(
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seat_id INT,
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pos POINT NOT NULL,
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state INT,
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PRIMARY KEY(seat_id)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES
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(1,ST_PointFromText('POINT(1 0)'),0),
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(3,ST_PointFromText('POINT(2 0)'),0),
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(4,ST_PointFromText('POINT(1 1)'),0),
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(6,ST_PointFromText('POINT(2 1)'),0);
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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BEGIN;
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND seat_id >= 1 LIMIT 2 FOR SHARE;
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seat_id state ST_AsText(pos)
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1 0 POINT(1 0)
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3 0 POINT(2 0)
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SET SESSION TRANSACTION ISOLATION LEVEL READ UNCOMMITTED;
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BEGIN;
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INSERT INTO t1 VALUES(2,ST_PointFromText('POINT(2 1)'),0);
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE NOWAIT;
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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2 0 POINT(2 1)
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4 0 POINT(1 1)
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6 0 POINT(2 1)
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SET @g = ST_GeomFromText('POLYGON((0 0,0 3,3 3,0 3,0 0))');
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE NOWAIT;
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ERROR HY000: Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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2 0 POINT(2 1)
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4 0 POINT(1 1)
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COMMIT;
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COMMIT;
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DROP TABLE t1;
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#
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# Test READ COMMITTED
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#
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CREATE TABLE t1(
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seat_id INT,
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pos POINT NOT NULL,
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state INT,
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PRIMARY KEY(seat_id)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES
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(1,ST_PointFromText('POINT(1 0)'),0),
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(3,ST_PointFromText('POINT(2 0)'),0),
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(4,ST_PointFromText('POINT(1 1)'),0),
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(6,ST_PointFromText('POINT(2 1)'),0);
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SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
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BEGIN;
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND seat_id >= 1 LIMIT 2 FOR SHARE;
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seat_id state ST_AsText(pos)
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1 0 POINT(1 0)
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3 0 POINT(2 0)
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SET SESSION TRANSACTION ISOLATION LEVEL READ COMMITTED;
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BEGIN;
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INSERT INTO t1 VALUES(2,ST_PointFromText('POINT(2 1)'),0);
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE NOWAIT;
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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2 0 POINT(2 1)
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4 0 POINT(1 1)
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6 0 POINT(2 1)
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SET @g = ST_GeomFromText('POLYGON((0 0,0 3,3 3,0 3,0 0))');
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE NOWAIT;
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ERROR HY000: Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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2 0 POINT(2 1)
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4 0 POINT(1 1)
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COMMIT;
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COMMIT;
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DROP TABLE t1;
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#
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# Test REPEATABLE READ
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#
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CREATE TABLE t1(
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seat_id INT,
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pos POINT NOT NULL,
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state INT,
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PRIMARY KEY(seat_id)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES
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(1,ST_PointFromText('POINT(1 0)'),0),
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(3,ST_PointFromText('POINT(2 0)'),0),
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(4,ST_PointFromText('POINT(1 1)'),0),
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(6,ST_PointFromText('POINT(2 1)'),0);
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SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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BEGIN;
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND seat_id >= 1 LIMIT 2 FOR SHARE;
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seat_id state ST_AsText(pos)
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1 0 POINT(1 0)
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3 0 POINT(2 0)
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SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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BEGIN;
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INSERT INTO t1 VALUES(2,ST_PointFromText('POINT(2 1)'),0);
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE NOWAIT;
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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4 0 POINT(1 1)
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6 0 POINT(2 1)
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SET @g = ST_GeomFromText('POLYGON((0 0,0 3,3 3,0 3,0 0))');
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE NOWAIT;
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ERROR HY000: Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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4 0 POINT(1 1)
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6 0 POINT(2 1)
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COMMIT;
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COMMIT;
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DROP TABLE t1;
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#
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# Test SERIALIZABLE
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#
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CREATE TABLE t1(
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seat_id INT,
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pos POINT NOT NULL,
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state INT,
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PRIMARY KEY(seat_id)
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) ENGINE=InnoDB;
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INSERT INTO t1 VALUES
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(1,ST_PointFromText('POINT(1 0)'),0),
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(3,ST_PointFromText('POINT(2 0)'),0),
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(4,ST_PointFromText('POINT(1 1)'),0),
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(6,ST_PointFromText('POINT(2 1)'),0);
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SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
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BEGIN;
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND seat_id >= 1 LIMIT 2 ;
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seat_id state ST_AsText(pos)
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1 0 POINT(1 0)
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3 0 POINT(2 0)
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SET SESSION TRANSACTION ISOLATION LEVEL SERIALIZABLE;
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BEGIN;
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INSERT INTO t1 VALUES(2,ST_PointFromText('POINT(2 1)'),0);
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE NOWAIT;
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SELECT seat_id, state, ST_AsText(pos) FROM t1 WHERE state = 0
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FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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4 0 POINT(1 1)
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6 0 POINT(2 1)
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SET @g = ST_GeomFromText('POLYGON((0 0,0 3,3 3,0 3,0 0))');
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE NOWAIT;
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ERROR HY000: Statement aborted because lock(s) could not be acquired immediately and NOWAIT is set.
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SELECT seat_id, state, ST_AsText(pos) FROM t1
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WHERE state = 0 AND MBRWithin(pos, @g) LIMIT 2 FOR UPDATE SKIP LOCKED;
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seat_id state ST_AsText(pos)
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4 0 POINT(1 1)
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6 0 POINT(2 1)
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COMMIT;
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COMMIT;
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DROP TABLE t1;
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