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-rw-r--r--mysql-test/main/sp-cursor.test874
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+
+--echo #
+--echo # MDEV-12457 Cursors with parameters
+--echo #
+
+CREATE TABLE t1 (a INT, b VARCHAR(10)) ENGINE=MyISAM;
+INSERT INTO t1 VALUES (1,'old'),(2,'old'),(3,'old'),(4,'old'),(5,'old');
+DELIMITER $$;
+CREATE PROCEDURE p1(min INT,max INT)
+BEGIN
+ DECLARE done INT DEFAULT FALSE;
+ DECLARE va INT;
+ DECLARE cur CURSOR(pmin INT, pmax INT) FOR SELECT a FROM t1 WHERE a BETWEEN pmin AND pmax;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ OPEN cur(min,max);
+ read_loop: LOOP
+ FETCH cur INTO va;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ INSERT INTO t1 VALUES (va,'new');
+ END LOOP;
+ CLOSE cur;
+END;
+$$
+DELIMITER ;$$
+CALL p1(2,4);
+SELECT * FROM t1 ORDER BY b DESC,a;
+DROP PROCEDURE p1;
+DROP TABLE t1;
+
+
+--echo #
+--echo # OPEN with a wrong number of parameters
+--echo #
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+DELIMITER $$;
+--error ER_WRONG_PARAMCOUNT_TO_CURSOR
+CREATE PROCEDURE p1(a_a INT,a_b VARCHAR(32))
+BEGIN
+ DECLARE v_a INT;
+ DECLARE v_b VARCHAR(10);
+ DECLARE c CURSOR (p_a INT, p_b VARCHAR(32)) FOR SELECT * FROM t1 WHERE a=p_a;
+ OPEN c(a_a);
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+DROP TABLE t1;
+
+
+--echo #
+--echo # Cursor parameters are not visible outside of the cursor
+--echo #
+
+DELIMITER $$;
+--error ER_UNKNOWN_SYSTEM_VARIABLE
+CREATE PROCEDURE p1(a_a INT)
+BEGIN
+ DECLARE v_a INT;
+ DECLARE c CURSOR (p_a INT) FOR SELECT a FROM t1 WHERE a=p_a;
+ OPEN c(a_a);
+ SET p_a=10;
+END;
+$$
+DELIMITER ;$$
+
+DELIMITER $$;
+--error ER_UNKNOWN_SYSTEM_VARIABLE
+CREATE PROCEDURE p1(a_a INT)
+BEGIN
+ DECLARE v_a INT;
+ DECLARE c CURSOR (p_a INT) FOR SELECT a FROM t1 WHERE a=p_a;
+ SET p_a= 10;
+ OPEN c(a_a);
+END;
+$$
+DELIMITER ;$$
+
+
+--echo #
+--echo # Cursor parameter shadowing a local variable
+--echo #
+
+CREATE TABLE t1 (a INT);
+INSERT INTO t1 VALUES (1);
+DELIMITER $$;
+CREATE PROCEDURE p1(a INT)
+BEGIN
+ DECLARE done INT DEFAULT 0;
+ DECLARE v_a INT DEFAULT NULL;
+ DECLARE p_a INT DEFAULT NULL;
+ DECLARE c CURSOR (p_a VARCHAR(32)) FOR SELECT p_a FROM t1;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ OPEN c(a);
+ read_loop: LOOP
+ FETCH c INTO v_a;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ SELECT v_a;
+ END LOOP;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1(1);
+CALL p1(NULL);
+DROP PROCEDURE p1;
+DROP TABLE t1;
+
+
+--echo #
+--echo # Parameters in SELECT list
+--echo #
+
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a INT, a_b VARCHAR(32))
+BEGIN
+ DECLARE v_a INT;
+ DECLARE v_b VARCHAR(10);
+ DECLARE c CURSOR (p_a INT, p_b VARCHAR(32)) FOR SELECT p_a,p_b FROM DUAL;
+ OPEN c(a_a + 0,a_b);
+ FETCH c INTO v_a, v_b;
+ SELECT v_a, v_b;
+ CLOSE c;
+ OPEN c(a_a + 1,a_b);
+ FETCH c INTO v_a, v_b;
+ SELECT v_a, v_b;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1(1,'b1');
+DROP PROCEDURE p1;
+
+
+--echo #
+--echo # Parameters in SELECT list + UNION
+--echo #
+
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a INT, a_b VARCHAR(32))
+BEGIN
+ DECLARE v_a INT;
+ DECLARE v_b VARCHAR(10);
+ DECLARE c CURSOR(p_a INT, p_b VARCHAR(32)) FOR
+ SELECT p_a,p_b FROM DUAL
+ UNION ALL
+ SELECT p_a+1,CONCAT(p_b,'b') FROM DUAL;
+ OPEN c(a_a,a_b);
+ FETCH c INTO v_a, v_b;
+ SELECT v_a, v_b;
+ FETCH c INTO v_a, v_b;
+ SELECT v_a, v_b;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1(1,'b1');
+DROP PROCEDURE p1;
+
+
+--echo #
+--echo # Parameters in SELECT list + type conversion + warnings
+--echo #
+
+SET sql_mode='';
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a VARCHAR(32))
+BEGIN
+ DECLARE v_a INT;
+ DECLARE c CURSOR (p_a INT) FOR SELECT p_a FROM DUAL;
+ OPEN c(a_a);
+ FETCH c INTO v_a;
+ SELECT v_a;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1('1b');
+CALL p1('b1');
+DROP PROCEDURE p1;
+SET sql_mode=DEFAULT;
+
+
+--echo #
+--echo # One parameter in SELECT list + subselect
+--echo #
+
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a VARCHAR(32))
+BEGIN
+ DECLARE v_a VARCHAR(10);
+ DECLARE c CURSOR (p_a VARCHAR(32)) FOR
+ SELECT p_a FROM DUAL UNION SELECT REVERSE(p_a) FROM DUAL;
+ OPEN c((SELECT a_a));
+ FETCH c INTO v_a;
+ SELECT v_a;
+ FETCH c INTO v_a;
+ SELECT v_a;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1('ab');
+DROP PROCEDURE p1;
+
+
+--echo #
+--echo # Two parameters in SELECT list + subselect
+--echo #
+
+DELIMITER $$;
+CREATE PROCEDURE p1()
+BEGIN
+ DECLARE v_a VARCHAR(32);
+ DECLARE v_b VARCHAR(32);
+ DECLARE c CURSOR (p_a VARCHAR(32), p_b VARCHAR(32)) FOR
+ SELECT p_a, p_b FROM DUAL
+ UNION
+ SELECT p_b, p_a FROM DUAL;
+ OPEN c((SELECT 'aaa'),(SELECT 'bbb'));
+ FETCH c INTO v_a, v_b;
+ SELECT v_a, v_b;
+ FETCH c INTO v_a, v_b;
+ SELECT v_a, v_b;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1();
+DROP PROCEDURE p1;
+
+
+--echo #
+--echo # Two parameters in SELECT list + two parameters in WHERE + subselects
+--echo #
+
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a VARCHAR(32), a_b VARCHAR(32))
+BEGIN
+ DECLARE done INT DEFAULT 0;
+ DECLARE v_a VARCHAR(32);
+ DECLARE v_b VARCHAR(32);
+ DECLARE c CURSOR (value_a VARCHAR(32), value_b VARCHAR(32),
+ pattern_a VARCHAR(32), pattern_b VARCHAR(32)) FOR
+ SELECT value_a, value_b FROM DUAL WHERE value_a LIKE pattern_a
+ UNION
+ SELECT value_b, value_a FROM DUAL WHERE value_b LIKE pattern_b;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ OPEN c((SELECT 'aaa'),(SELECT 'bbb'),(SELECT a_a),(SELECT a_b));
+ read_loop: LOOP
+ FETCH c INTO v_a, v_b;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ SELECT v_a, v_b;
+ END LOOP;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1('%','%');
+CALL p1('aaa','xxx');
+CALL p1('xxx','bbb');
+CALL p1('xxx','xxx');
+DROP PROCEDURE p1;
+
+
+--echo #
+--echo # Parameters in SELECT list + stored function
+--echo #
+
+DELIMITER $$;
+CREATE FUNCTION f1 (a VARCHAR(32)) RETURNS VARCHAR(32)
+BEGIN
+ RETURN CONCAT(a,'y');
+END;
+$$
+CREATE PROCEDURE p1(a_a VARCHAR(32))
+BEGIN
+ DECLARE done INT DEFAULT 0;
+ DECLARE v_a VARCHAR(10);
+ DECLARE v_b VARCHAR(10);
+ DECLARE c CURSOR (p_sel_a VARCHAR(32), p_cmp_a VARCHAR(32)) FOR
+ SELECT p_sel_a, p_cmp_a FROM DUAL;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ OPEN c(f1(a_a), f1(a_a));
+ read_loop: LOOP
+ FETCH c INTO v_a, v_b;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ SELECT v_a, v_b;
+ END LOOP;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1('x');
+# A complex expression
+CALL p1(f1(COALESCE(NULL, f1('x'))));
+DROP PROCEDURE p1;
+DROP FUNCTION f1;
+
+
+--echo #
+--echo # One parameter in WHERE clause
+--echo #
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+CREATE TABLE t2 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES (1,'11');
+INSERT INTO t1 VALUES (1,'12');
+INSERT INTO t1 VALUES (2,'21');
+INSERT INTO t1 VALUES (2,'22');
+INSERT INTO t1 VALUES (3,'31');
+INSERT INTO t1 VALUES (3,'32');
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a INT)
+BEGIN
+ DECLARE done INT DEFAULT 0;
+ DECLARE v_a INT;
+ DECLARE v_b VARCHAR(10);
+ DECLARE c CURSOR (p_a INT) FOR SELECT a,b FROM t1 WHERE a=p_a;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ OPEN c(a_a);
+ read_loop: LOOP
+ FETCH c INTO v_a, v_b;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ INSERT INTO t2 VALUES (v_a,v_b);
+ END LOOP;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1(1);
+SELECT * FROM t2;
+DROP TABLE t1;
+DROP TABLE t2;
+DROP PROCEDURE p1;
+
+
+--echo #
+--echo # Two parameters in WHERE clause
+--echo #
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+CREATE TABLE t2 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES (1,'11');
+INSERT INTO t1 VALUES (1,'12');
+INSERT INTO t1 VALUES (2,'21');
+INSERT INTO t1 VALUES (2,'22');
+INSERT INTO t1 VALUES (3,'31');
+INSERT INTO t1 VALUES (3,'32');
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a INT, a_b VARCHAR(32))
+BEGIN
+ DECLARE done INT DEFAULT 0;
+ DECLARE v_a INT;
+ DECLARE v_b VARCHAR(10);
+ DECLARE c CURSOR (p_a INT, p_b VARCHAR(32)) FOR SELECT a,b FROM t1 WHERE a=p_a AND b=p_b;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ OPEN c(a_a, a_b);
+ read_loop: LOOP
+ FETCH c INTO v_a, v_b;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ INSERT INTO t2 VALUES (v_a,v_b);
+ END LOOP;
+ CLOSE c;
+END;
+$$
+DELIMITER ;$$
+CALL p1(1,'11');
+SELECT * FROM t2;
+DROP TABLE t1;
+DROP TABLE t2;
+DROP PROCEDURE p1;
+
+--echo #
+--echo # Parameters in WHERE and HAVING clauses
+--echo #
+CREATE TABLE t1 (name VARCHAR(10), value INT);
+INSERT INTO t1 VALUES ('but',1);
+INSERT INTO t1 VALUES ('but',1);
+INSERT INTO t1 VALUES ('but',1);
+INSERT INTO t1 VALUES ('bin',1);
+INSERT INTO t1 VALUES ('bin',1);
+INSERT INTO t1 VALUES ('bot',1);
+DELIMITER $$;
+CREATE PROCEDURE p1 (arg_name_limit VARCHAR(32), arg_total_limit INT)
+BEGIN
+ DECLARE i INT DEFAULT 0;
+ DECLARE v_name VARCHAR(10);
+ DECLARE v_total INT;
+-- +0 is needed to work around the bug MDEV-11081
+ DECLARE c CURSOR(p_v INT) FOR
+ SELECT name, SUM(value + p_v) + 0 AS total FROM t1
+ WHERE name LIKE arg_name_limit
+ GROUP BY name HAVING total>=arg_total_limit;
+ WHILE i < 2 DO
+ BEGIN
+ DECLARE done INT DEFAULT 0;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ OPEN c(i);
+ read_loop: LOOP
+ FETCH c INTO v_name, v_total;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ SELECT v_name, v_total;
+ END LOOP;
+ CLOSE c;
+ SET i= i + 1;
+ END;
+ END WHILE;
+END;
+$$
+DELIMITER ;$$
+CALL p1('%', 2);
+CALL p1('b_t', 0);
+DROP PROCEDURE p1;
+DROP TABLE t1;
+
+
+--echo #
+--echo # One parameter in LIMIT clause
+--echo #
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES (1,'b1');
+INSERT INTO t1 VALUES (2,'b2');
+INSERT INTO t1 VALUES (3,'b3');
+INSERT INTO t1 VALUES (4,'b4');
+INSERT INTO t1 VALUES (5,'b5');
+INSERT INTO t1 VALUES (6,'b6');
+DELIMITER $$;
+CREATE PROCEDURE p1(a_a INT)
+BEGIN
+ DECLARE done INT DEFAULT 0;
+ DECLARE v_a INT;
+ DECLARE v_b VARCHAR(10);
+ DECLARE c CURSOR (p_a INT) FOR SELECT a,b FROM t1 ORDER BY a LIMIT p_a;
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done=TRUE;
+ CREATE TABLE t2 (a INT, b VARCHAR(10));
+ OPEN c(a_a);
+ read_loop: LOOP
+ FETCH c INTO v_a, v_b;
+ IF done THEN
+ LEAVE read_loop;
+ END IF;
+ INSERT INTO t2 VALUES (v_a,v_b);
+ END LOOP;
+ CLOSE c;
+ SELECT * FROM t2;
+ DROP TABLE t2;
+END;
+$$
+DELIMITER ;$$
+CALL p1(1);
+CALL p1(3);
+CALL p1(6);
+DROP TABLE t1;
+DROP PROCEDURE p1;
+
+
+
+--echo #
+--echo # End of MDEV-12457 Cursors with parameters
+--echo #
+
+
+--echo #
+--echo # MDEV-14415 Add Oracle-style FOR loop to sql_mode=DEFAULT
+--echo #
+
+--echo # Explicit cursor
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES (1,'b1'), (2,'b2'), (3,'b3');
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ DECLARE cur CURSOR FOR SELECT * FROM t1;
+ FOR rec IN cur
+ DO
+ SELECT rec.a AS a, rec.b AS b;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+DROP TABLE t1;
+
+--echo # Explicit cursor with parameters
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES (1,'b1'), (2,'b2'), (3,'b3');
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ DECLARE cur CURSOR(pa INT) FOR SELECT * FROM t1 WHERE a>=pa;
+ FOR rec IN cur(2)
+ DO
+ SELECT rec.a AS a, rec.b AS b;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+DROP TABLE t1;
+
+--echo # Explicit cursor + label
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES ('1','b1'), ('2','b2');
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ DECLARE cur CURSOR FOR SELECT * FROM t1;
+ forrec:
+ FOR rec IN cur
+ DO
+ SELECT rec.a AS a, rec.b AS b;
+ IF rec.a = 2 THEN
+ LEAVE forrec;
+ END IF;
+ END FOR forrec;
+END;
+$$
+DELIMITER ;$$
+DROP TABLE t1;
+
+--echo # Explicit cursor + FETCH inside the loop body produce an error on "NOT FOUND"
+
+DELIMITER $$;
+--error ER_SP_FETCH_NO_DATA
+BEGIN NOT ATOMIC
+ DECLARE x INT;
+ DECLARE cur CURSOR FOR SELECT 1 AS x;
+ FOR rec IN cur
+ DO
+ FETCH cur INTO x;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+
+
+--echo # Explicit cursor + FETCH inside the loop body are normally handled by "HANDLER FOR NOT FOUND"
+
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ DECLARE done INT DEFAULT 0;
+ DECLARE cur CURSOR FOR SELECT 1 AS x, 'y1' AS y UNION
+ SELECT 2,'y2' UNION
+ SELECT 3,'y3';
+ DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = TRUE;
+ forrec:
+ FOR rec IN cur
+ DO
+ SELECT CONCAT(rec.x, ' ', rec.y) AS 'Implicit FETCH';
+ FETCH cur INTO rec;
+ IF done THEN
+ SELECT 'NO DATA' AS `Explicit FETCH`;
+ LEAVE forrec;
+ ELSE
+ SELECT CONCAT(rec.x, ' ', rec.y) AS 'Explicit FETCH';
+ END IF;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+
+
+--echo # Implicit cursor
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES ('1','b1'), ('2','b2');
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ FOR rec IN (SELECT * FROM t1)
+ DO
+ SELECT rec.a AS a, rec.b AS b;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+DROP TABLE t1;
+
+--echo # Implicit cursor + label
+
+CREATE TABLE t1 (a INT, b VARCHAR(10));
+INSERT INTO t1 VALUES ('1','b1'), ('2','b2');
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ forrec:
+ FOR rec IN (SELECT * FROM t1)
+ DO
+ SELECT rec.a AS a, rec.b AS b;
+ IF rec.a = 2 THEN
+ LEAVE forrec;
+ END IF;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+DROP TABLE t1;
+
+
+--echo #
+--echo # MDEV-15941 Explicit cursor FOR loop does not close the cursor
+--echo #
+
+DELIMITER $$;
+--error ER_SP_CURSOR_NOT_OPEN
+BEGIN NOT ATOMIC
+ DECLARE v INT;
+ DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
+ FOR rec IN cur
+ DO
+ SELECT rec.a;
+ END FOR;
+ FETCH cur INTO v;
+END;
+$$
+DELIMITER ;$$
+
+
+DELIMITER $$;
+--error ER_SP_CURSOR_NOT_OPEN
+BEGIN NOT ATOMIC
+ DECLARE v INT;
+ DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
+label:
+ FOR rec IN cur
+ DO
+ SELECT rec.a;
+ END FOR;
+ FETCH cur INTO v;
+END;
+$$
+DELIMITER ;$$
+
+
+DELIMITER $$;
+--error ER_SP_CURSOR_ALREADY_OPEN
+BEGIN NOT ATOMIC
+ DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
+ OPEN cur;
+ FOR rec IN cur DO
+ SELECT rec.a;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+
+
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
+ FOR rec IN cur
+ DO
+ SELECT rec.a;
+ END FOR;
+ FOR rec IN cur
+ DO
+ SELECT rec.a;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+
+
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ DECLARE cur CURSOR FOR SELECT 1 AS a FROM DUAL;
+label1:
+ FOR rec IN cur
+ DO
+ SELECT rec.a;
+ END FOR;
+label2:
+ FOR rec IN cur
+ DO
+ SELECT rec.a;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+
+
+--echo #
+--echo # MDEV-16584 SP with a cursor inside a loop wastes THD memory aggressively
+--echo #
+
+DELIMITER $$;
+CREATE PROCEDURE p1()
+BEGIN
+ DECLARE mem_used_old BIGINT UNSIGNED DEFAULT
+ (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS
+ WHERE VARIABLE_NAME='MEMORY_USED');
+ DECLARE i INT DEFAULT 1;
+ WHILE i <= 5000
+ DO
+ BEGIN
+ DECLARE msg TEXT;
+ DECLARE mem_used_cur BIGINT UNSIGNED DEFAULT
+ (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS
+ WHERE VARIABLE_NAME='MEMORY_USED');
+ DECLARE cur CURSOR FOR SELECT 1 FROM DUAL;
+ IF (mem_used_cur >= mem_used_old * 2) THEN
+ SHOW STATUS LIKE 'Memory_used';
+ SET msg=CONCAT('Memory leak detected: i=', i, ' mem_used_old=',mem_used_old,' mem_used_cur=', mem_used_cur);
+ SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT=msg;
+ END IF;
+ END;
+ SET i=i+1;
+ END WHILE;
+END;
+$$
+DELIMITER ;$$
+CALL p1;
+DROP PROCEDURE p1;
+
+
+--echo #
+--echo # MDEV-17278 CURSOR FOR LOOP - ERROR: unexpected end of stream, read 0 bytes (SERVER CRASH)
+--echo #
+
+CREATE TABLE t1 (id2 int, id int, en1 enum('aaa','a','b','c'));
+INSERT INTO t1 VALUES(1,1,'aaa'),(2,2,'a'),(3,3,'b'),(4,4,'c');
+DELIMITER $$;
+CREATE PROCEDURE p1()
+BEGIN
+ FOR rec IN (SELECT en1 FROM t1)
+ DO
+ SELECT rec.en1;
+ END FOR;
+END;
+$$
+DELIMITER ;$$
+CALL p1();
+DROP PROCEDURE p1;
+DROP TABLE t1;
+
+
+--echo #
+--echo # MDEV-26009: Server crash when calling twice procedure using FOR-loop
+--echo #
+
+
+CREATE TABLE t1 ( id int, name varchar(24));
+INSERT INTO t1 values (1, 'x'), (2, 'y'), (3, 'z');
+
+create function get_name(_id int) returns varchar(24)
+ return (select name from t1 where id = _id);
+
+select get_name(id) from t1;
+
+delimiter ^^;
+
+create procedure test_proc()
+begin
+ declare _cur cursor for select get_name(id) from t1;
+ for row in _cur do select 1; end for;
+end;
+^^
+delimiter ;^^
+
+call test_proc();
+call test_proc();
+
+drop procedure test_proc;
+drop function get_name;
+drop table t1;
+
+
+CREATE TABLE t1 (id int, name varchar(24));
+INSERT INTO t1 (id, name) VALUES (1, 'x'),(2, 'y'),(3, 'z');
+
+create function get_name(_id int) returns varchar(24)
+ return (select name from t1 where id = _id);
+
+create view v1 as select get_name(id) from t1;
+
+delimiter $$;
+create procedure test_proc()
+begin
+ declare _cur cursor for select 1 from v1;
+ for row in _cur do select 1; end for;
+end$$
+delimiter ;$$
+
+call test_proc();
+call test_proc();
+
+drop procedure test_proc;
+drop view v1;
+drop function get_name;
+drop table t1;
+
+--echo #
+--echo # MDEV-28266: Crash in Field_string::type_handler when calling procedures
+--echo #
+
+CREATE TABLE t (f INT);
+
+--delimiter $
+CREATE TRIGGER tr AFTER INSERT ON t FOR EACH ROW
+ FOR x IN (SELECT * FROM json_table(NULL, '$' COLUMNS(a CHAR(1) path '$.*')) tmp)
+ DO set @a=1; END FOR $
+--delimiter ;
+
+INSERT INTO t () values ();
+
+# Cleanup
+DROP TABLE t;
+
+--echo #
+--echo # End of 10.6 tests
+--echo #
+
+
+--echo #
+--echo # Start of 10.8 tests
+--echo #
+
+--echo #
+--echo # MDEV-10654 IN, OUT, INOUT parameters in CREATE FUNCTION
+--echo #
+
+DELIMITER $$;
+BEGIN NOT ATOMIC
+ DECLARE va INT;
+ DECLARE cur CURSOR (IN a INT) FOR SELECT a FROM dual;
+ OPEN cur(1);
+ FETCH cur INTO va;
+ CLOSE cur;
+ SELECT va;
+END;
+$$
+DELIMITER ;$$
+
+DELIMITER $$;
+--error ER_NOT_SUPPORTED_YET
+BEGIN NOT ATOMIC
+ DECLARE va INT;
+ DECLARE cur CURSOR (OUT a INT) FOR SELECT a FROM dual;
+ OPEN cur(1);
+ FETCH cur INTO va;
+ CLOSE cur;
+ SELECT va;
+END;
+$$
+DELIMITER ;$$
+
+DELIMITER $$;
+--error ER_NOT_SUPPORTED_YET
+BEGIN NOT ATOMIC
+ DECLARE va INT;
+ DECLARE cur CURSOR (INOUT a INT) FOR SELECT a FROM dual;
+ OPEN cur(1);
+ FETCH cur INTO va;
+ CLOSE cur;
+ SELECT va;
+END;
+$$
+DELIMITER ;$$
+
+--echo #
+--echo # End of 10.8 tests
+--echo #
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