这是我的触发器,我得到了mysql语法错误。我想从sms_index table sms_count column值中减少余额。

 CREATE TRIGGER sms_log_update AFTER UPDATE ON sms_index
  FOR EACH ROW
  BEGIN
    IF NEW.approved_status = '1' THEN
      UPDATE  sms_package SET  balance =  (balance - OLD.sms_count) WHERE  group_id = OLD.ins_group_id;
    END IF;
  END;

错误消息:
 #1064 - 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 '' at line 5

最佳答案

您的代码看起来是正确的,除了分隔符可能有问题。请尝试以下操作:

DELIMITER //
CREATE TRIGGER sms_log_update AFTER UPDATE ON sms_index
FOR EACH ROW
BEGIN
    IF NEW.approved_status = '1' THEN
        UPDATE  sms_package SET  balance =  (balance - OLD.sms_count)
        WHERE  group_id = OLD.ins_group_id;
    END IF;
END;

DELIMITER ;

documentation开始:
但是,与存储例程一样,如果使用mysql程序定义执行多个语句的触发器,则需要重新定义mysql语句分隔符,以便可以在触发器定义中使用;语句分隔符。

关于mysql - 创建触发器时MySQL语法错误,我们在Stack Overflow上找到一个类似的问题:https://stackoverflow.com/questions/48719029/

10-12 12:48
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