ps.result

SET sql_mode=ORACLE;
#
# MDEV-10801 sql_mode: dynamic SQL placeholders
#
SET @a=10, @b=20;
PREPARE stmt FROM 'SELECT ?,?';
EXECUTE stmt USING @a, @b;
?	?
10	20
PREPARE stmt FROM 'SELECT :a,:b';
EXECUTE stmt USING @a, @b;
:a	:b
10	20
PREPARE stmt FROM 'SELECT :aaa,:bbb';
EXECUTE stmt USING @a, @b;
:aaa	:bbb
10	20
PREPARE stmt FROM 'SELECT :"a",:"b"';
EXECUTE stmt USING @a, @b;
:"a"	:"b"
10	20
PREPARE stmt FROM 'SELECT :"aaa",:"bbb"';
EXECUTE stmt USING @a, @b;
:"aaa"	:"bbb"
10	20
PREPARE stmt FROM 'SELECT :1,:2';
EXECUTE stmt USING @a, @b;
:1	:2
10	20
PREPARE stmt FROM 'SELECT :222,:111';
EXECUTE stmt USING @a, @b;
:222	:111
10	20
PREPARE stmt FROM 'SELECT :0,:65535';
EXECUTE stmt USING @a, @b;
:0	:65535
10	20
PREPARE stmt FROM 'SELECT :65535,:0';
EXECUTE stmt USING @a, @b;
:65535	:0
10	20
#
# MDEV-10709 Expressions as parameters to Dynamic SQL
#
#
# Testing disallowed expressions in USING
#
PREPARE stmt FROM 'SELECT :1 FROM DUAL';
EXECUTE stmt USING (SELECT 1);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'SELECT 1)' at line 1
DEALLOCATE PREPARE stmt;
CREATE FUNCTION f1() RETURN VARCHAR
AS
BEGIN
RETURN 'test';
END;
$$
PREPARE stmt FROM 'SELECT ? FROM DUAL';
EXECUTE stmt USING f1();
ERROR 42000: EXECUTE..USING does not support subqueries or stored functions
DEALLOCATE PREPARE stmt;
DROP FUNCTION f1;
#
# Using a user variable as a EXECUTE..USING out parameter
#
CREATE PROCEDURE p1(a OUT INT)
AS
BEGIN
a:= 10;
END;
/
SET @a=1;
CALL p1(@a);
SELECT @a;
@a
10
SET @a=2;
PREPARE stmt FROM 'CALL p1(?)';
EXECUTE stmt USING @a;
SELECT @a;
@a
10
DROP PROCEDURE p1;
#
# Using an SP variable as a EXECUTE..USING out parameter
#
CREATE PROCEDURE p1 (a OUT INT)
AS
BEGIN
a:=10;
END;
/
CREATE PROCEDURE p2 (a OUT INT)
AS
BEGIN
PREPARE stmt FROM 'CALL p1(?)';
EXECUTE stmt USING a;
END;
/
SET @a= 1;
CALL p2(@a);
SELECT @a;
@a
10
DROP PROCEDURE p2;
DROP PROCEDURE p1;
#
# Using a trigger field as a EXECUTE..USING out parameter
#
CREATE PROCEDURE p1 (a OUT INT)
AS
BEGIN
a:= 10;
END;
/
CREATE TABLE t1 (a INT);
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW CALL p1(:NEW.a);
INSERT INTO t1 VALUES (1);
SELECT * FROM t1;
a
10
DROP TABLE t1;
DROP PROCEDURE p1;
#
# Testing re-prepare on a table metadata update between PREPARE and EXECUTE
#
CREATE TABLE t1 (a INT);
CREATE PROCEDURE p1(a IN INT)
AS
BEGIN
INSERT INTO t1 VALUES (a);
END;
/
PREPARE stmt FROM 'CALL p1(?)';
EXECUTE stmt USING 10;
SELECT * FROM t1;
a
10
CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW NEW.a:=NEW.a+1;
EXECUTE stmt USING 20;
SELECT * FROM t1;
a
10
21
DEALLOCATE PREPARE stmt;
DROP PROCEDURE p1;
DROP TABLE t1;
#
# End of MDEV-10709 Expressions as parameters to Dynamic SQL
#
#
# MDEV-10585 EXECUTE IMMEDIATE statement
#
#
# Testing disallowed expressions in USING
#
EXECUTE IMMEDIATE 'SELECT :1 FROM DUAL' USING (SELECT 1);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'SELECT 1)' at line 1
CREATE FUNCTION f1() RETURN VARCHAR
AS
BEGIN
RETURN 'test';
END;
$$
EXECUTE IMMEDIATE 'SELECT ? FROM DUAL' USING f1();
ERROR 42000: EXECUTE..USING does not support subqueries or stored functions
DROP FUNCTION f1;
#
# Testing simple expressions
#
EXECUTE IMMEDIATE 'SELECT :1 FROM DUAL' USING 10;
:1
10
#
# MDEV-10866 Extend PREPARE and EXECUTE IMMEDIATE to understand expressions
#
#
# Testing erroneous and diallowed prepare source
#
EXECUTE IMMEDIATE _latin1'SELECT 1 AS c FROM ' || _latin2 'DUAL';
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation '||'
PREPARE stmt FROM _latin1'SELECT 1 AS c FROM ' || _latin2 'DUAL';
ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation '||'
EXECUTE IMMEDIATE (SELECT 'SELECT 1');
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'SELECT 'SELECT 1')' at line 1
PREPARE stmt FROM (SELECT 'SELECT 1');
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'SELECT 'SELECT 1')' at line 1
EXECUTE IMMEDIATE a;
ERROR 42S22: Unknown column 'a' in 'field list'
PREPARE stmt FROM a;
ERROR 42S22: Unknown column 'a' in 'field list'
EXECUTE IMMEDIATE NULL;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NULL' at line 1
PREPARE stmt FROM NULL;
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NULL' at line 1
EXECUTE IMMEDIATE COALESCE(NULL);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NULL' at line 1
PREPARE stmt FROM COALESCE(NULL);
ERROR 42000: You have an error in your SQL syntax; check the manual that corresponds to your MariaDB server version for the right syntax to use near 'NULL' at line 1
CREATE FUNCTION f1() RETURN VARCHAR
AS
BEGIN
RETURN 't1';
END;
$$
EXECUTE IMMEDIATE f1();
ERROR 42000: EXECUTE IMMEDIATE does not support subqueries or stored functions
PREPARE stmt FROM f1();
ERROR 42000: PREPARE..FROM does not support subqueries or stored functions
DROP FUNCTION f1;
#
# Testing user variables in prepare source
#
SET @table_name='DUAL';
EXECUTE IMMEDIATE 'SELECT 1 AS a FROM ' || @table_name;
a
1
PREPARE stmt FROM 'SELECT 1 AS a FROM ' || @table_name;
EXECUTE stmt;
a
1
DEALLOCATE PREPARE stmt;
#
# Testing SP parameters and variables in prepare source
#
CREATE PROCEDURE p1(table_name VARCHAR)
AS
BEGIN
EXECUTE IMMEDIATE 'SELECT 1 AS c FROM '|| table_name;
END;
$$
CALL p1('DUAL');
c
1
DROP PROCEDURE p1;
CREATE PROCEDURE p1()
AS
table_name VARCHAR(64):='DUAL';
BEGIN
EXECUTE IMMEDIATE 'SELECT 1 AS c FROM ' || table_name;
END;
$$
CALL p1();
c
1
DROP PROCEDURE p1;
#
# End of MDEV-10866 Extend PREPARE and EXECUTE IMMEDIATE to understand expressions
#