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264 lines
7 KiB
Text
264 lines
7 KiB
Text
SET sql_mode=ORACLE;
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#
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# MDEV-10801 sql_mode: dynamic SQL placeholders
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#
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SET @a=10, @b=20;
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PREPARE stmt FROM 'SELECT ?,?';
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EXECUTE stmt USING @a, @b;
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? ?
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10 20
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PREPARE stmt FROM 'SELECT :a,:b';
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EXECUTE stmt USING @a, @b;
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:a :b
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10 20
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PREPARE stmt FROM 'SELECT :aaa,:bbb';
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EXECUTE stmt USING @a, @b;
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:aaa :bbb
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10 20
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PREPARE stmt FROM 'SELECT :"a",:"b"';
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EXECUTE stmt USING @a, @b;
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:"a" :"b"
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10 20
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PREPARE stmt FROM 'SELECT :"aaa",:"bbb"';
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EXECUTE stmt USING @a, @b;
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:"aaa" :"bbb"
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10 20
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PREPARE stmt FROM 'SELECT :1,:2';
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EXECUTE stmt USING @a, @b;
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:1 :2
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10 20
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PREPARE stmt FROM 'SELECT :222,:111';
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EXECUTE stmt USING @a, @b;
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:222 :111
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10 20
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PREPARE stmt FROM 'SELECT :0,:65535';
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EXECUTE stmt USING @a, @b;
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:0 :65535
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10 20
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PREPARE stmt FROM 'SELECT :65535,:0';
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EXECUTE stmt USING @a, @b;
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:65535 :0
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10 20
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#
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# MDEV-10709 Expressions as parameters to Dynamic SQL
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#
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#
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# Testing disallowed expressions in USING
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#
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PREPARE stmt FROM 'SELECT :1 FROM DUAL';
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EXECUTE stmt USING (SELECT 1);
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ERROR 42000: EXECUTE..USING does not support subqueries or stored functions
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DEALLOCATE PREPARE stmt;
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CREATE FUNCTION f1() RETURN VARCHAR
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AS
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BEGIN
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RETURN 'test';
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END;
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$$
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PREPARE stmt FROM 'SELECT ? FROM DUAL';
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EXECUTE stmt USING f1();
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ERROR 42000: EXECUTE..USING does not support subqueries or stored functions
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DEALLOCATE PREPARE stmt;
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DROP FUNCTION f1;
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#
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# Using a user variable as a EXECUTE..USING out parameter
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#
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CREATE PROCEDURE p1(a OUT INT)
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AS
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BEGIN
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a:= 10;
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END;
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/
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SET @a=1;
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CALL p1(@a);
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SELECT @a;
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@a
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10
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SET @a=2;
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PREPARE stmt FROM 'CALL p1(?)';
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EXECUTE stmt USING @a;
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SELECT @a;
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@a
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10
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DROP PROCEDURE p1;
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#
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# Using an SP variable as a EXECUTE..USING out parameter
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#
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CREATE PROCEDURE p1 (a OUT INT)
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AS
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BEGIN
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a:=10;
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END;
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/
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CREATE PROCEDURE p2 (a OUT INT)
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AS
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BEGIN
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PREPARE stmt FROM 'CALL p1(?)';
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EXECUTE stmt USING a;
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END;
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/
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SET @a= 1;
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CALL p2(@a);
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SELECT @a;
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@a
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10
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DROP PROCEDURE p2;
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DROP PROCEDURE p1;
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#
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# Using a trigger field as a EXECUTE..USING out parameter
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#
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CREATE PROCEDURE p1 (a OUT INT)
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AS
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BEGIN
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a:= 10;
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END;
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/
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CREATE TABLE t1 (a INT);
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CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW CALL p1(:NEW.a);
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INSERT INTO t1 VALUES (1);
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SELECT * FROM t1;
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a
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10
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DROP TABLE t1;
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DROP PROCEDURE p1;
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#
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# Testing re-prepare on a table metadata update between PREPARE and EXECUTE
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#
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CREATE TABLE t1 (a INT);
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CREATE PROCEDURE p1(a IN INT)
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AS
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BEGIN
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INSERT INTO t1 VALUES (a);
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END;
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/
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PREPARE stmt FROM 'CALL p1(?)';
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EXECUTE stmt USING 10;
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SELECT * FROM t1;
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a
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10
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CREATE TRIGGER tr1 BEFORE INSERT ON t1 FOR EACH ROW NEW.a:=NEW.a+1;
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EXECUTE stmt USING 20;
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SELECT * FROM t1;
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a
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10
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21
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DEALLOCATE PREPARE stmt;
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DROP PROCEDURE p1;
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DROP TABLE t1;
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#
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# End of MDEV-10709 Expressions as parameters to Dynamic SQL
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#
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#
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# MDEV-10585 EXECUTE IMMEDIATE statement
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#
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#
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# Testing disallowed expressions in USING
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#
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EXECUTE IMMEDIATE 'SELECT :1 FROM DUAL' USING (SELECT 1);
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ERROR 42000: EXECUTE..USING does not support subqueries or stored functions
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CREATE FUNCTION f1() RETURN VARCHAR
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AS
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BEGIN
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RETURN 'test';
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END;
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$$
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EXECUTE IMMEDIATE 'SELECT ? FROM DUAL' USING f1();
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ERROR 42000: EXECUTE IMMEDIATE does not support subqueries or stored functions
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DROP FUNCTION f1;
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#
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# Testing simple expressions
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#
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EXECUTE IMMEDIATE 'SELECT :1 FROM DUAL' USING 10;
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:1
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10
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#
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# MDEV-10866 Extend PREPARE and EXECUTE IMMEDIATE to understand expressions
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#
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#
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# Testing erroneous and diallowed prepare source
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#
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EXECUTE IMMEDIATE _latin1'SELECT 1 AS c FROM ' || _latin2 'DUAL';
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ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'concat'
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PREPARE stmt FROM _latin1'SELECT 1 AS c FROM ' || _latin2 'DUAL';
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ERROR HY000: Illegal mix of collations (latin1_swedish_ci,COERCIBLE) and (latin2_general_ci,COERCIBLE) for operation 'concat'
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EXECUTE IMMEDIATE (SELECT 'SELECT 1');
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ERROR 42000: EXECUTE IMMEDIATE does not support subqueries or stored functions
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PREPARE stmt FROM (SELECT 'SELECT 1');
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ERROR 42000: PREPARE..FROM does not support subqueries or stored functions
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EXECUTE IMMEDIATE a;
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ERROR 42S22: Unknown column 'a' in 'EXECUTE IMMEDIATE'
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PREPARE stmt FROM a;
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ERROR 42S22: Unknown column 'a' in 'PREPARE..FROM'
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EXECUTE IMMEDIATE NULL;
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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
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PREPARE stmt FROM NULL;
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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
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EXECUTE IMMEDIATE COALESCE(NULL);
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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
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PREPARE stmt FROM COALESCE(NULL);
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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
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CREATE FUNCTION f1() RETURN VARCHAR
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AS
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BEGIN
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RETURN 't1';
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END;
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$$
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EXECUTE IMMEDIATE f1();
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ERROR 42000: EXECUTE IMMEDIATE does not support subqueries or stored functions
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PREPARE stmt FROM f1();
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ERROR 42000: PREPARE..FROM does not support subqueries or stored functions
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DROP FUNCTION f1;
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#
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# Testing user variables in prepare source
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#
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SET @table_name='DUAL';
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EXECUTE IMMEDIATE 'SELECT 1 AS a FROM ' || @table_name;
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a
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1
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PREPARE stmt FROM 'SELECT 1 AS a FROM ' || @table_name;
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EXECUTE stmt;
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a
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1
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DEALLOCATE PREPARE stmt;
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#
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# Testing SP parameters and variables in prepare source
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#
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CREATE PROCEDURE p1(table_name VARCHAR)
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AS
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BEGIN
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EXECUTE IMMEDIATE 'SELECT 1 AS c FROM '|| table_name;
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END;
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$$
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CALL p1('DUAL');
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c
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1
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DROP PROCEDURE p1;
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CREATE PROCEDURE p1()
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AS
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table_name VARCHAR(64):='DUAL';
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BEGIN
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EXECUTE IMMEDIATE 'SELECT 1 AS c FROM ' || table_name;
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END;
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$$
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CALL p1();
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c
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1
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DROP PROCEDURE p1;
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#
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# End of MDEV-10866 Extend PREPARE and EXECUTE IMMEDIATE to understand expressions
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#
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#
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# MDEV-12846 sql_mode=ORACLE: using Oracle-style placeholders in direct query execution makes the server crash
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#
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SELECT ? FROM DUAL;
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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 '? FROM DUAL' at line 1
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SELECT :a FROM DUAL;
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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 ':a FROM DUAL' at line 1
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SELECT :1 FROM DUAL;
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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 ':1 FROM DUAL' at line 1
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SELECT 1+? FROM DUAL;
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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 '? FROM DUAL' at line 1
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SELECT 1+:a FROM DUAL;
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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 ':a FROM DUAL' at line 1
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SELECT 1+:1 FROM DUAL;
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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 ':1 FROM DUAL' at line 1
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