mariadb函数，过程错误您的SQL错误

Question

DELIMITER /
CREATE FUNCTION filltimeDim ()
BEGIN
    DECLARE vQuarter VARCHAR(6);
    DECLARE vMonth_Name VARCHAR(20);
    DECLARE vdate_id date;
    DECLARE vyear_id CHAR(4);
    DECLARE vweekly_Name VARCHAR(20);
    DECLARE vMonth_Num TINYINT(10);
    DECLARE vweekday_Num TINYINT(10);
    BEGIN
        SET vdate_id =  CONVERT('1998-01-01', DATE);
        WHILE (CONVERT('vdate_id' USING utf8) <=  '2002-12-31')
        LOOP
            SET vyear_id =  YEAR(vdate_id);
            SET vQuarter =  QUARTER(vdate_id);
            SET vMonth_Name =  MONTHNAME(vdate_id);
            SET vweekly_Name =  DAYOFWEEK(vdate_id);
            SET vMonth_Num =  MONTH(vdate_id);
            SET vweekday_Num =  WEEKDAY(vdate_id);
            INSERT INTO Time_Dim VALUES 
            (vdate_id, vyear_id, vquarter, vMonth_Name,vweekly_Name,vMonth_Num,vweekday_Num);
            SET vdate_id = vdate_id + 1;
        END LOOP;   
    END;
END; /

错误：错误1064（42000）：您的SQL语法有错误；检查与您的MariaDB服务器版本相对应的手册，以在'BEGIN附近使用正确的语法声明vQuarter VARCHAR（6）;DECLARE vMonth_Name VARCHAR（20）;'在第2行

Answer 1

MariaDB中while的语法是：

[begin_label:] WHILE search_condition DO
    statement_list
END WHILE [end_label]

https://mariadb.com/kb/en/library/while/

您不应该使用'LOOP'关键字