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			97 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
			
		
		
	
	
			97 lines
		
	
	
		
			2.3 KiB
		
	
	
	
		
			SQL
		
	
	
	
	
	
| --disable_warnings
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| DROP TABLE IF EXISTS t1, t2;
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| DROP VIEW IF EXISTS v1;
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| --enable_warnings
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| SET autocommit=0;
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| # Create additional connections used through test
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| CONNECT (root1, localhost, root,,);
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| SET autocommit=0;
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| --echo connection default;
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| CONNECTION default;
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| eval CREATE TABLE t1 (k INT NOT NULL PRIMARY KEY, i INT, j INT, l INT) ENGINE=$engine;
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| INSERT INTO t1 VALUES (1,123,1,123);
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| INSERT INTO t1 VALUES (2,124,2,124);
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| INSERT INTO t1 VALUES (3,125,3,125);
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| INSERT INTO t1 VALUES (4,126,4,126);
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| eval $indext1;
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| eval CREATE TABLE t2 (k INT NOT NULL PRIMARY KEY, i INT, j INT, l INT) ENGINE=$engine;
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| INSERT INTO t2 VALUES (1,123,1,123);
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| INSERT INTO t2 VALUES (2,124,2,124);
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| INSERT INTO t2 VALUES (3,125,3,125);
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| INSERT INTO t2 VALUES (4,126,4,126);
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| eval $indext2;
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| DELIMITER |;
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| 
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| CREATE TRIGGER trig_t2 AFTER UPDATE ON t2
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|   FOR EACH ROW BEGIN
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|     UPDATE t1 SET l = NEW.i WHERE i = OLD.i;
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|   END;
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| |
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| 
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| DELIMITER ;|
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| 
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| COMMIT;
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| SELECT @@global.tx_isolation;
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| # With the two separate selects (without join) the differs from
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| # that select with join.
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| 
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| # Both transaction are able to update the tables
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| eval EXPLAIN $select;
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| eval $select;
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| --echo connection root1;
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| CONNECTION root1;
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| UPDATE t2 SET t2.i=225 WHERE t2.i=125;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| 
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| --echo connection default;
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| CONNECTION default;
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| UPDATE t2 SET t2.i=223 WHERE t2.i=123;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| 
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| --echo connection root1;
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| CONNECTION root1;
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| UPDATE t2 SET t2.i=226 WHERE t2.i=126;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| 
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| --echo connection default;
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| CONNECTION default;
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| UPDATE t2 SET t2.i=224 WHERE t2.i=124;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| 
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| --echo connection root1;
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| CONNECTION root1;
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| DELETE FROM t1 WHERE t1.i=226;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| 
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| --echo connection default;
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| CONNECTION default;
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| DELETE FROM t1 WHERE t1.i=224;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| COMMIT;
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| 
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| --echo connection root1;
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| CONNECTION root1;
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| ROLLBACK;
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| 
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| --echo connection default;
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| CONNECTION default;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| 
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| --echo connection root1;
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| CONNECTION root1;
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| SELECT * FROM t1 ORDER BY t1.k;
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| SELECT * FROM t2 ORDER BY t2.k;
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| DISCONNECT root1;
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| --echo connection default;
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| CONNECTION default;
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| DROP TABLE t1, t2;
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| #DROP VIEW v1;
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| 
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