mariadb/mysql-test/suite/compat/oracle/t/sp-cursor.test

SET sql_mode=ORACLE;

--echo #
--echo # MDEV-10582 sql_mode=ORACLE: explicit cursor attributes %ISOPEN, %ROWCOUNT, %FOUND, %NOTFOUND
--echo #


--echo #
--echo # Cursor attributes outside of an SP context
--echo #

--error ER_SP_CURSOR_MISMATCH
SELECT c%ISOPEN;
--error ER_SP_CURSOR_MISMATCH
SELECT c%FOUND;
--error ER_SP_CURSOR_MISMATCH
SELECT c%NOTFOUND;
--error ER_SP_CURSOR_MISMATCH
SELECT c%ROWCOUNT;


--echo #
--echo # Undefinite cursor attributes
--echo #

DELIMITER $$;
--error ER_SP_CURSOR_MISMATCH
CREATE PROCEDURE p1
AS
BEGIN
  SELECT c%ISOPEN;
END;
$$
--error ER_SP_CURSOR_MISMATCH
CREATE PROCEDURE p1
AS
BEGIN
  SELECT c%ROWCOUNT;
END;
$$
--error ER_SP_CURSOR_MISMATCH
CREATE PROCEDURE p1
AS
BEGIN
  SELECT c%FOUND;
END;
$$
--error ER_SP_CURSOR_MISMATCH
CREATE PROCEDURE p1
AS
BEGIN
  SELECT c%NOTFOUND;
END;
$$
DELIMITER ;$$


--echo #
--echo # Not opened cursor attributes %FOUND, %NOTFOUND, %ROWCOUNT
--echo #

DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT 1 AS c FROM DUAL;
BEGIN
  SELECT c%ROWCOUNT;
END;
$$
DELIMITER ;$$
--error ER_SP_CURSOR_NOT_OPEN
CALL p1;
DROP PROCEDURE p1;

DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT 1 AS c FROM DUAL;
BEGIN
  SELECT c%FOUND;
END;
$$
DELIMITER ;$$
--error ER_SP_CURSOR_NOT_OPEN
CALL p1;
DROP PROCEDURE p1;

DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT 1 AS c FROM DUAL;
BEGIN
  SELECT c%NOTFOUND;
END;
$$
DELIMITER ;$$
--error ER_SP_CURSOR_NOT_OPEN
CALL p1;
DROP PROCEDURE p1;


--echo #
--echo # Not opened cursor attributes %FOUND, %NOTFOUND, %ROWCOUNT with INVALID_CURSOR exception
--echo #

DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT 1 AS c FROM DUAL;
BEGIN
  SELECT c%ROWCOUNT;
EXCEPTION
  WHEN INVALID_CURSOR THEN SELECT 'INVALID_CURSOR caught' AS msg;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;

DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT 1 AS c FROM DUAL;
BEGIN
  SELECT c%FOUND;
EXCEPTION
  WHEN INVALID_CURSOR THEN SELECT 'INVALID_CURSOR caught' AS msg;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;

DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT 1 AS c FROM DUAL;
BEGIN
  SELECT c%NOTFOUND;
EXCEPTION
  WHEN INVALID_CURSOR THEN SELECT 'INVALID_CURSOR caught' AS msg;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;


--echo #
--echo # print()
--echo #

CREATE TABLE t1 (a INT);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT * FROM t1 ORDER BY a;
BEGIN
  EXPLAIN EXTENDED SELECT c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;
DROP TABLE t1;


--echo #
--echo # Declared data type of the attributes
--echo #
CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  CURSOR c IS SELECT * FROM t1 ORDER BY a;
BEGIN
  OPEN c;
  CREATE TABLE t2 AS SELECT c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  SHOW CREATE TABLE t2;
  DROP TABLE t2;
  CLOSE c;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;
DROP TABLE t1;


--echo #
--echo # Core functionality
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
INSERT INTO t1 VALUES (30);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  a INT:=0;
  CURSOR c IS SELECT * FROM t1 ORDER BY a;
BEGIN
  SELECT a, c%ISOPEN;
  OPEN c;
  /*
    After OPEN and before FETCH:
    - %ROWCOUNT returns 0
    - %FOUND and %NOTFOUND return NULL
  */
  SELECT a, c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  FETCH c INTO a;
  SELECT a, c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  FETCH c INTO a;
  SELECT a, c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  FETCH c INTO a;
  SELECT a, c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  FETCH c INTO a;
  SELECT a, c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  CLOSE c;
  SELECT a, c%ISOPEN;
  /*
    After reopen and before FETCH:
    - %ROWCOUNT returns 0
    - %FOUND and %NOTFOUND return NULL
  */
  OPEN c;
  SELECT a, c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  FETCH c INTO a;
  SELECT a, c%ISOPEN, c%ROWCOUNT, c%FOUND, c%NOTFOUND;
  CLOSE c;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;
DROP TABLE t1;


--echo #
--echo # %NOTFOUND as a loop exit condition
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
INSERT INTO t1 VALUES (30);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  a INT:=0;
  CURSOR c IS SELECT * FROM t1 ORDER BY a;
BEGIN
  OPEN c;
  LOOP
    FETCH c INTO a;
    EXIT WHEN c%NOTFOUND;
    SELECT a;
  END LOOP;
  CLOSE c;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;
DROP TABLE t1;


--echo #
--echo # %FOUND as a loop exit condition
--echo #

CREATE TABLE t1 (a INT);
INSERT INTO t1 VALUES (10);
INSERT INTO t1 VALUES (20);
INSERT INTO t1 VALUES (30);
DELIMITER $$;
CREATE PROCEDURE p1
AS
  a INT:=0;
  CURSOR c IS SELECT * FROM t1 ORDER BY a;
BEGIN
  OPEN c;
  LOOP
    FETCH c INTO a;
    EXIT WHEN NOT c%FOUND;
    SELECT a;
  END LOOP;
  CLOSE c;
END;
$$
DELIMITER ;$$
CALL p1();
DROP PROCEDURE p1;
DROP TABLE t1;