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使用游标的mysql过程_Mysql_Stored Procedures - Fatal编程技术网

使用游标的mysql过程

使用游标的mysql过程,mysql,stored-procedures,Mysql,Stored Procedures,我得到的错误如下: 脚本行:3您的SQL语法有错误;检查与您的MySQL服务器版本相对应的手册,以了解在第6行中选择question_id>from question_master,其中question_类型如“%ch”中c1使用的正确语法 我做错了什么?我认为MySQL不支持FOR语法,您必须使用它声明游标和循环 DELIMITER $$ CREATE PROCEDURE INSERT_NONE_HISTORY_CHECKBOX() BEGIN DECLARE note_id bigin

我得到的错误如下:

脚本行:3您的SQL语法有错误;检查与您的MySQL服务器版本相对应的手册,以了解在第6行中选择question_id>from question_master,其中question_类型如“%ch”中c1使用的正确语法


我做错了什么?

我认为MySQL不支持FOR语法,您必须使用它声明游标和循环

DELIMITER $$

CREATE PROCEDURE INSERT_NONE_HISTORY_CHECKBOX()
BEGIN
  DECLARE note_id bigint(20);

  FOR c1 IN 
    (SELECT question_id 
     FROM question_master 
     WHERE question_type LIKE '%check box%') 
  LOOP

    SELECT note_section_id INTO note_id 
    FROM answer_master 
    WHERE question_id = c1.question_id 
    LIMIT 1;

    INSERT INTO answer_master(QUESTION_ID, NOTE_SECTION_ID, ANSWER_TEXT
      , ROS_INPUT_TEXT, HAS_CHILD_QUES, MEDICATIONS_LIST_ID, STATUS_CODE)
    VALUES(c1.question_id,note_id,'none',null,0,null,1);

  END LOOP;

END $$

DELIMITER ;
语法有点麻烦,但这应该可以

见:

DELIMITER $$

CREATE PROCEDURE INSERT_NONE_HISTORY_CHECKBOX()
BEGIN
  DECLARE note_id bigint(20);
  DECLARE Myquestion_id INTEGER;
  DECLARE done BOOLEAN DEFAULT 0; //loop variable
  DECLARE cur1 CURSOR FOR 
    SELECT question_id 
    FROM question_master 
    WHERE question_type LIKE '%check box%'; //declare the cursor
  DECLARE CONTINUE HANDLER FOR NOT FOUND SET done = 1;  //stop when done.

  OPEN cur1;  //Open it.
  insert_loop: LOOP

    FETCH cur1 INTO myquestion_id;
    IF done THEN LEAVE insert_loop; END IF;
    SELECT note_section_id INTO note_id 
    FROM answer_master 
    WHERE question_id = c1.question_id 
    LIMIT 1;

    INSERT INTO answer_master(QUESTION_ID, NOTE_SECTION_ID, ANSWER_TEXT
      , ROS_INPUT_TEXT, HAS_CHILD_QUES, MEDICATIONS_LIST_ID, STATUS_CODE)
    VALUES(myquestion_id,note_id,'none',null,0,null,1);

  END LOOP;
  CLOSE cur1;

END $$

DELIMITER ;