Spring Boot数据库初始化MySQLException的触发器 [英] Spring Boot Database initialization MySQLException for Trigger

问题描述

我正在使用带有Spring.JDBC和schema.sql文件的Spring Boot数据库初始化.我正在使用MYSQL

I am using Spring Boot Database initialization using Spring JDBC with schema.sql file.I am using MYSQL

如果我按照以下方式在schema.sql中创建简单的表，则效果很好

If I have simple table creation in schema.sql as follows it works fine

CREATE TABLE Persons
(
PersonID int,
LastName varchar(255),
FirstName varchar(255),
Address varchar(255),
City varchar(255)
);

但是当我添加一个如下所示的触发器时，该触发器可以在MySQL Workbench中正常运行

But when I add one trigger as follows which runs correctly in MySQL Workbench

DROP TRIGGER IF EXISTS Persons_log_update; 

CREATE TRIGGER Persons_log_update 
    BEFORE UPDATE ON Persons
    FOR EACH ROW 
BEGIN

    INSERT INTO Personshistory(PersonID,LastName,FirstName,Address,City)
    values(OLD.PersonID,OLD.LastName,OLD.FirstName,OLD.Address,OLD.City);

END ^;

我用过spring.datasource.separator = ^; 此处

I have used spring.datasource.separator=^; in properties file as mentioned here

但是它失败，但异常为

com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'CREATE TRIGGER Persons_log_update BEFORE UPDATE ON Persons FOR EACH ROW BE' at line 1

我猜我的问题与此问题，但在postgresql中.

I guess my problem is same as this question but that is in postgresql.

如果我删除spring.datasource.separator = ^;从属性文件中，并在光标下方

If I remove spring.datasource.separator=^; from properties file and have below cursor

DROP TRIGGER IF EXISTS Persons_log_update; 

DELIMITER $$
CREATE TRIGGER Persons_log_update 
    BEFORE UPDATE ON Persons
    FOR EACH ROW 
BEGIN

    INSERT INTO Personshistory(PersonID,LastName,FirstName,Address,City)
    values(OLD.PersonID,OLD.LastName,OLD.FirstName,OLD.Address,OLD.City);

END$$
DELIMITER ;

它给出了相同的错误

 com.mysql.jdbc.exceptions.jdbc4.MySQLSyntaxErrorException: You have an error in your SQL syntax; check the manual that corresponds to your MySQL server version for the right syntax to use near 'DELIMITER $$ CREATE TRIGGER Persons_log_update BEFORE UPDATE ON Persons FO' at line 1

推荐答案

当我在application.properties中添加spring.datasource.separator=^;且过程/触发的每一行都应以^;终止时，我的问题已解决. 示例如下:

My issue was resolved when I have added spring.datasource.separator=^; in application.properties and every line out side the procedure/trigger should be terminated with ^; Example as follows:

DROP TRIGGER IF EXISTS Persons_log_update ^; 

CREATE TRIGGER Persons_log_update 
    BEFORE UPDATE ON Persons
    FOR EACH ROW 
BEGIN

    INSERT INTO Personshistory(PersonID,LastName,FirstName,Address,City)
    values(OLD.PersonID,OLD.LastName,OLD.FirstName,OLD.Address,OLD.City);

END ^;

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