复制或克隆MySQL中的一行或多行

Posted 2021-02-22

INSERT INTO MYTABLE SELECT * FROM MYTABLE
 
/**
 * You can use WHERE clause too
 */
 
INSERT INTO MYTABLE SELECT * FROM MYTABLE WHERE something=something
 
 
/**
 * If you have an unique index... for exmaple id
 */
 
INSERT INTO MYTABLE (field1, field2, ...) SELECT field1, field2,... FROM MYTABLE
 
/**
 * If you have to change some value...
 */
 
INSERT INTO MYTABLE (field1, field2, ...) SELECT (field1+1), field2,... FROM MYTABLE