101 lines
1.8 KiB
Plaintext
101 lines
1.8 KiB
Plaintext
DROP TABLE IF EXISTS t1;
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connect con1,localhost,root,,;
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SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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connect con2,localhost,root,,;
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SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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connection con1;
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CREATE TABLE t1 (a INT, pk INT AUTO_INCREMENT PRIMARY KEY) ENGINE=xengine;
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START TRANSACTION;
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SELECT a FROM t1;
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a
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connection con2;
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BEGIN;
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INSERT INTO t1 (a) VALUES(1);
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connection con1;
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SELECT a FROM t1;
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a
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connection con2;
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INSERT INTO t1 (a) VALUES (2);
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connection con1;
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SELECT a FROM t1;
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a
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INSERT INTO t1 (a) SELECT a+100 FROM t1;
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SELECT a FROM t1;
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a
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connection con2;
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SELECT a FROM t1;
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a
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1
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2
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COMMIT;
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SELECT a FROM t1;
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a
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1
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2
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connection con1;
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SELECT a FROM t1;
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a
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INSERT INTO t1 (a) SELECT a+200 FROM t1;
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SELECT a FROM t1;
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a
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COMMIT;
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SELECT a FROM t1;
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a
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1
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2
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connection con2;
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SELECT a FROM t1;
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a
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1
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2
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connection default;
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CREATE TABLE t2 (a INT PRIMARY KEY) ENGINE=xengine;
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INSERT INTO t2 (a) VALUES (1);
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COMMIT;
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connection con1;
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BEGIN;
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SELECT a from t2;
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a
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1
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INSERT INTO t2 (a) VALUES (1), (3);
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ERROR 23000: Duplicate entry '1' for key 'PRIMARY'
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connection con2;
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INSERT INTO t2 (a) VALUES (2);
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COMMIT;
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connection con1;
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SELECT a from t2;
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a
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1
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COMMIT;
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connection default;
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disconnect con1;
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disconnect con2;
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DROP TABLE t1;
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DROP TABLE t2;
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CREATE TABLE t3 (
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pk int unsigned PRIMARY KEY,
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count int unsigned DEFAULT '0'
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) ENGINE=XENGINE;
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connect con1,localhost,root,,;
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SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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connect con2,localhost,root,,;
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SET SESSION TRANSACTION ISOLATION LEVEL REPEATABLE READ;
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connection con1;
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BEGIN;
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SELECT * FROM t3;
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pk count
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connection con2;
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BEGIN;
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INSERT INTO t3 (pk) VALUES(1) ON DUPLICATE KEY UPDATE count=count+1;
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COMMIT;
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connection con1;
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INSERT INTO t3 (pk) VALUES(1) ON DUPLICATE KEY UPDATE count=count+1;
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COMMIT;
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SELECT count FROM t3;
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count
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0
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connection default;
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disconnect con1;
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disconnect con2;
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DROP TABLE t3;
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