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1 set @num = 0; 2 update projects set id = @num := @num +1; 3 alter table projects auto_increment = 1; 4 set @num = 0; 5 update nodes set id = @num := @num +1; 6 alter table nodes auto_increment = 1;
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原文地址：http://www.cnblogs.com/lman/p/4929106.html
