mirror of
				https://github.com/MariaDB/server.git
				synced 2025-11-04 04:46:15 +01:00 
			
		
		
		
	Result files updated according to bugfix for MySQL#55843 (Handled condition appears as not handled)
		
			
				
	
	
		
			7682 lines
		
	
	
	
		
			99 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
			
		
		
	
	
			7682 lines
		
	
	
	
		
			99 KiB
		
	
	
	
		
			Text
		
	
	
	
	
	
DROP TABLE IF EXISTS t1,t2,t3,t4;
 | 
						|
DROP FUNCTION IF EXISTS sf1;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET#       ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# CONTAINS SQL     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# NO SQL     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# READS SQL DATA     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# MODIFIES SQL DATA     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET#     COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# CONTAINS SQL   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# NO SQL   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# READS SQL DATA   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# MODIFIES SQL DATA   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET#       ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# CONTAINS SQL     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# NO SQL     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# READS SQL DATA     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# MODIFIES SQL DATA     ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET#     COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# CONTAINS SQL   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# NO SQL   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# READS SQL DATA   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# MODIFIES SQL DATA   COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET#   SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# CONTAINS SQL SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# NO SQL SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# READS SQL DATA SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# MODIFIES SQL DATA SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET#   SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# CONTAINS SQL SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# NO SQL SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# READS SQL DATA SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# MODIFIES SQL DATA SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET#   SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# CONTAINS SQL SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# NO SQL SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# READS SQL DATA SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# MODIFIES SQL DATA SQL SECURITY INVOKER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET#   SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# CONTAINS SQL SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# NO SQL SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# READS SQL DATA SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# MODIFIES SQL DATA SQL SECURITY INVOKER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET#    SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# CONTAINS SQL  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# NO SQL  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# READS SQL DATA  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# MODIFIES SQL DATA  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET#    SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# CONTAINS SQL  SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# NO SQL  SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# READS SQL DATA  SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1    #DET# MODIFIES SQL DATA  SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET#    SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# CONTAINS SQL  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# NO SQL  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# READS SQL DATA  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# MODIFIES SQL DATA  SQL SECURITY DEFINER   ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET#    SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# CONTAINS SQL  SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# NO SQL  SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# READS SQL DATA  SQL SECURITY DEFINER COMMENT 'comment' ;
 | 
						|
SELECT sf1();
 | 
						|
sf1()
 | 
						|
0
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
INSERT INTO t4 VALUES(sf1());
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DELETE FROM t4 WHERE i = sf1() + 1;
 | 
						|
SELECT * FROM t1 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
3	4
 | 
						|
4	5
 | 
						|
SELECT * FROM t2 ORDER BY i;
 | 
						|
i
 | 
						|
1
 | 
						|
2
 | 
						|
3
 | 
						|
SELECT * FROM t3 ORDER BY id;
 | 
						|
id	data
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
1	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
2	1
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
3	3
 | 
						|
DROP FUNCTION sf1;
 | 
						|
DROP TABLE t1,t2,t3,t4;
 | 
						|
CREATE TABLE t1 (id INTEGER NULL , data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t2 (i INTEGER NULL);
 | 
						|
CREATE TABLE t3 (id INTEGER NULL, data INTEGER NULL, KEY(id));
 | 
						|
CREATE TABLE t4 (i INTEGER NULL);
 | 
						|
INSERT INTO t1 VALUES(1,1),(2,1),(3,4),(4,5);
 | 
						|
INSERT INTO t2 VALUES(1),(2),(3);
 | 
						|
CREATE FUNCTION sf1() RETURNS INTEGER
 | 
						|
BEGIN
 | 
						|
DECLARE done INT DEFAULT 0;
 | 
						|
DECLARE a CHAR(16);
 | 
						|
DECLARE b,c INT;
 | 
						|
DECLARE cur1 CURSOR FOR SELECT id,data FROM t1;
 | 
						|
DECLARE cur2 CURSOR FOR SELECT i FROM t2;
 | 
						|
DECLARE CONTINUE HANDLER FOR SQLSTATE '02000' SET done = 1;
 | 
						|
OPEN cur1;
 | 
						|
OPEN cur2;
 | 
						|
REPEAT
 | 
						|
FETCH cur1 INTO a, b;
 | 
						|
FETCH cur2 INTO c;
 | 
						|
IF NOT done THEN
 | 
						|
IF b < c THEN
 | 
						|
INSERT INTO t3 VALUES (a,b);
 | 
						|
ELSE
 | 
						|
INSERT INTO t3 VALUES (a,c);
 | 
						|
END IF;
 | 
						|
END IF;
 | 
						|
UNTIL done END REPEAT;
 | 
						|
CLOSE cur1;
 | 
						|
CLOSE cur2;
 | 
						|
RETURN 0;
 | 
						|
END//
 | 
						|
ALTER FUNCTION sf1  LANGUAGE SQL #DET# MODIFIES SQL DATA  SQL SECURITY DEFINER COMMENT 'comment' ;
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SELECT sf1();
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sf1()
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0
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SELECT * FROM t1 ORDER BY id;
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id	data
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1	1
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2	1
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3	4
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4	5
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SELECT * FROM t2 ORDER BY i;
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i
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1
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2
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3
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SELECT * FROM t3 ORDER BY id;
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id	data
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1	1
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2	1
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3	3
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INSERT INTO t4 VALUES(sf1());
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SELECT * FROM t1 ORDER BY id;
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id	data
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1	1
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2	1
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3	4
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4	5
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SELECT * FROM t2 ORDER BY i;
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i
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1
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2
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3
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SELECT * FROM t3 ORDER BY id;
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id	data
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1	1
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1	1
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2	1
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2	1
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3	3
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3	3
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UPDATE t4 SET i = sf1() + 1 WHERE i = sf1();
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SELECT * FROM t1 ORDER BY id;
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id	data
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1	1
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2	1
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3	4
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4	5
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SELECT * FROM t2 ORDER BY i;
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i
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1
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2
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3
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SELECT * FROM t3 ORDER BY id;
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id	data
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1	1
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1	1
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1	1
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1	1
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2	1
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2	1
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2	1
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2	1
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3	3
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3	3
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3	3
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3	3
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DELETE FROM t4 WHERE i = sf1() + 1;
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SELECT * FROM t1 ORDER BY id;
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id	data
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1	1
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2	1
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3	4
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4	5
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SELECT * FROM t2 ORDER BY i;
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i
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1
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2
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3
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SELECT * FROM t3 ORDER BY id;
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id	data
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1	1
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1	1
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1	1
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1	1
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1	1
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2	1
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2	1
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2	1
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2	1
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2	1
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3	3
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3	3
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3	3
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3	3
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3	3
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DROP FUNCTION sf1;
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DROP TABLE t1,t2,t3,t4;
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