MaxScale/query_classifier/test/oracle/func_misc.test

SET sql_mode=ORACLE;

--echo #
--echo # MDEV-10578 sql_mode=ORACLE: SP control functions SQLCODE, SQLERRM
--echo #

--echo #
--echo # Using SQLCODE and SQLERRM outside of an SP
--echo #

--error ER_BAD_FIELD_ERROR
SELECT SQLCODE;

--error ER_BAD_FIELD_ERROR
SELECT SQLERRM;

CREATE TABLE t1 (SQLCODE INT, SQLERRM VARCHAR(10));
INSERT INTO t1 VALUES (10, 'test');
SELECT SQLCODE, SQLERRM FROM t1;
DROP TABLE t1;

--echo #
--echo # Normal SQLCODE and SQLERRM usage
--echo #

DELIMITER $$;
CREATE PROCEDURE p1(stmt VARCHAR)
AS
BEGIN
  EXECUTE IMMEDIATE stmt;
  SELECT 'Error1: ' || SQLCODE || ' ' || SQLERRM;
EXCEPTION
  WHEN OTHERS THEN
    SELECT 'Error2: ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
CALL p1('SELECT 1');
CALL p1('xxx');
CALL p1('SELECT 1');
DROP PROCEDURE p1;

--echo #
--echo # SQLCODE and SQLERRM hidden by local variables
--echo #

DELIMITER $$;
CREATE PROCEDURE p1()
AS
  sqlcode INT:= 10;
  sqlerrm VARCHAR(64) := 'test';
BEGIN
  SELECT 'Error: ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;

DELIMITER $$;
CREATE PROCEDURE p1()
AS
  sqlcode INT;
  sqlerrm VARCHAR(64);
BEGIN
  SQLCODE:= 10;
  sqlerrm:= 'test';
  SELECT 'Error: ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;


--echo #
--echo # SQLCODE and SQLERRM hidden by parameters
--echo #

DELIMITER $$;
CREATE PROCEDURE p1(sqlcode INT, sqlerrm VARCHAR)
AS
BEGIN
  SELECT 'Error: ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
CALL p1(10, 'test');
DROP PROCEDURE p1;


--echo #
--echo # SQLCODE and SQLERRM in CREATE..SELECT
--echo #

DELIMITER $$;
CREATE PROCEDURE p1
AS
BEGIN
  CREATE TABLE t1 AS SELECT SQLCODE, SQLERRM;
END;
$$
DELIMITER ;$$
CALL p1;
SHOW CREATE TABLE t1;
DROP TABLE t1;
DROP PROCEDURE p1;


--echo #
--echo # SQLCODE and SQLERRM in EXPLAIN EXTENDED SELECT
--echo #

DELIMITER $$;
CREATE PROCEDURE p1
AS
BEGIN
  EXPLAIN EXTENDED SELECT SQLCode, SQLErrm;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;



--echo #
--echo # Warning-alike errors in stored functions
--echo #

CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE FUNCTION f1 RETURN VARCHAR
AS
  a INT;
BEGIN
  SELECT a INTO a FROM t1;
  RETURN 'No exception ' || SQLCODE || ' ' || SQLERRM;
EXCEPTION
  WHEN NO_DATA_FOUND THEN
    RETURN 'Exception ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
SELECT f1() FROM DUAL;
DROP FUNCTION f1;
DROP TABLE t1;


CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE FUNCTION f1 RETURN VARCHAR
AS
  a INT;
BEGIN
  SELECT a INTO a FROM t1;
  RETURN 'No exception ' || SQLCODE || ' ' || SQLERRM;
EXCEPTION
  WHEN OTHERS THEN
    RETURN 'Exception ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
SELECT f1() FROM DUAL;
DROP FUNCTION f1;
DROP TABLE t1;


--echo #
--echo # Warning-alike errors in stored procedures
--echo #

CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE PROCEDURE p1(res OUT VARCHAR)
AS
  a INT;
BEGIN
  SELECT a INTO a FROM t1;
  res:= 'No exception ' || SQLCODE || ' ' || SQLERRM;
EXCEPTION
  WHEN NO_DATA_FOUND THEN
    res:= 'Exception ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
CALL p1(@a);
SELECT @a;
DROP PROCEDURE p1;
DROP TABLE t1;


CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE PROCEDURE p1(res OUT VARCHAR)
AS
  a INT;
BEGIN
  SELECT a INTO a FROM t1;
  res:= 'No exception ' || SQLCODE || ' ' || SQLERRM;
EXCEPTION
  WHEN OTHERS THEN
    res:= 'Exception ' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
CALL p1(@a);
SELECT @a;
DROP PROCEDURE p1;
DROP TABLE t1;


--echo #
--echo # SQLCODE and SQLERRM are cleared on RETURN
--echo #

CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE FUNCTION f1 RETURN VARCHAR
AS
  a INT:=10;
BEGIN
  SELECT a INTO a FROM t1;
  RETURN 'Value=' || a;
EXCEPTION
  WHEN NO_DATA_FOUND THEN RETURN 'Exception|' || SQLCODE || ' ' || SQLERRM;
END;
$$
CREATE FUNCTION f2 RETURN VARCHAR
AS
  a VARCHAR(128);
BEGIN
  RETURN f1() || '|' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
SELECT f1() FROM DUAL;
SELECT f2() FROM DUAL;
DROP TABLE t1;
DROP FUNCTION f2;
DROP FUNCTION f1;


CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE FUNCTION f1 RETURN VARCHAR
AS
  a INT:=10;
BEGIN
  SELECT a INTO a FROM t1;
  RETURN 'Value=' || a;
EXCEPTION
  WHEN OTHERS THEN RETURN 'Exception|' || SQLCODE || ' ' || SQLERRM;
END;
$$
CREATE FUNCTION f2 RETURN VARCHAR
AS
  a VARCHAR(128);
BEGIN
  RETURN f1() || '|' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
SELECT f1() FROM DUAL;
SELECT f2() FROM DUAL;
DROP TABLE t1;
DROP FUNCTION f2;
DROP FUNCTION f1;


--echo #
--echo # SQLCODE and SQLERRM are cleared on a return from a PROCEDURE
--echo #

CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE PROCEDURE p1(res OUT VARCHAR)
AS
  a INT:=10;
BEGIN
  SELECT a INTO a FROM t1;
  res:='Value=' || a;
EXCEPTION
  WHEN NO_DATA_FOUND THEN res:='Exception|' || SQLCODE || ' ' || SQLERRM;
END;
$$
CREATE FUNCTION f2 RETURN VARCHAR
AS
  res VARCHAR(128);
BEGIN
  CALL p1(res);
  RETURN res || '|' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
SELECT f2() FROM DUAL;
DROP FUNCTION f2;
DROP PROCEDURE p1;
DROP TABLE t1;


CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE PROCEDURE p1(res OUT VARCHAR)
AS
  a INT:=10;
BEGIN
  SELECT a INTO a FROM t1;
  res:='Value=' || a;
EXCEPTION
  WHEN OTHERS THEN res:='Exception|' || SQLCODE || ' ' || SQLERRM;
END;
$$
CREATE FUNCTION f2 RETURN VARCHAR
AS
  res VARCHAR(128);
BEGIN
  CALL p1(res);
  RETURN res || '|' || SQLCODE || ' ' || SQLERRM;
END;
$$
DELIMITER ;$$
SELECT f2() FROM DUAL;
DROP FUNCTION f2;
DROP PROCEDURE p1;
DROP TABLE t1;


--echo #
--echo # End of MDEV-10578 sql_mode=ORACLE: SP control functions SQLCODE, SQLERRM
--echo #

--echo #
--echo # MDEV-12854 Synchronize CREATE..SELECT data type and result set metadata data type for INT functions
--echo #

--enable_metadata
--disable_ps_protocol
DELIMITER $$;
BEGIN
  SELECT SQLCODE;
END
$$
DELIMITER ;$$
--enable_ps_protocol
--disable_metadata