EVOLUTION-MANAGER

Edit File: sp-condition-handler.test

--echo #
--echo # Start of 10.3 tests
--echo #

--echo #
--echo # MDEV-16595 SP with a CONTINUE HANDLER inside a loop wastes THD memory aggressively
--echo #

DELIMITER $$;
CREATE PROCEDURE p1()
BEGIN
  DECLARE mem_used_old BIGINT UNSIGNED DEFAULT
    (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS
     WHERE VARIABLE_NAME='MEMORY_USED');
  DECLARE i INT DEFAULT 1;
  WHILE i <= 1000
  DO
    BEGIN
      DECLARE msg TEXT;
      DECLARE mem_used_cur BIGINT UNSIGNED DEFAULT
        (SELECT VARIABLE_VALUE FROM INFORMATION_SCHEMA.SESSION_STATUS
         WHERE VARIABLE_NAME='MEMORY_USED');
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23000' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23001' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23002' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23003' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23004' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23005' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23006' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23007' SET @x=1;
      DECLARE CONTINUE HANDLER FOR SQLSTATE '23008' SET @x=1;
      IF (mem_used_cur >= mem_used_old * 1.1) THEN
        SHOW STATUS LIKE 'Memory_used';
        SET msg=CONCAT('Memory leak detected: i=', i, ' mem_used_old=',mem_used_old,' mem_used_cur=', mem_used_cur);
        SIGNAL SQLSTATE '45000' SET MESSAGE_TEXT=msg;
      END IF;
    END;
    SET i=i+1;
  END WHILE;
END;
$$
DELIMITER ;$$
CALL p1;
DROP PROCEDURE p1;

--echo #
--echo # End of 10.3 tests
--echo #