Convert a stored md5 string to a decimal value in MySQL

Question

I have a very large table in MySQL. I\'m using a CHAR(32) field which contains an MD5 as a string of course. I\'m running into an issue where I need to convert this to a dec

Answer 1

Beware MD5 are 16 Byte long, and BIGINT UNSIGNED is 8 Byte long, so even in your second case you don't get the right answer, the number can't fit you are receiving the value of the lowest 8 Byte=> 09e91518db3e79d3.