的MySQL插入記錄

Question

我有這樣的SQL查詢：

insert into messages 
(message, hash, date_add) 
values 
('message', 'hash', NOW()) 
ON DUPLICATE KEY IGNORE 

散列是獨一無二的，什麼是錯的查詢？我得到的錯誤：

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 'IGNORE' at line 1

Answer 1

根據MySQL doc語法應爲：

INSERT IGNORE INTO messages (message, hash, date_add) 
    VALUES('message', 'hash', NOW());