Mysql table, inadvertently found the problem, the id is the growth, the table id, name, name2
Insert into table (name) the select name2 from the table.
To article 12 of the data, since the growth of data id skip 13 to 14, directly id25 over 26 to 29, then id and inconsistent data, count (*) and Max (id), is that questions about memory, how to find the problem, how to change this bug