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Convert a stored MD5 string to a decimal value in MySQL?
You can use the conv() function along with the cast() to cast from hexadecimal to a decimal value.
Note − MD5 is in hexadecimal
Let us first create a table −
mysql> create table DemoTable ( Password text ); Query OK, 0 rows affected (0.60 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values("a5391e96f8d48a62e8c85381df108e98");
Query OK, 1 row affected (0.16 sec)
mysql> insert into DemoTable values("ea7a32d2dc5bb793af262dcb6ea1a54d");
Query OK, 1 row affected (0.18 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+----------------------------------+ | Password | +----------------------------------+ | a5391e96f8d48a62e8c85381df108e98 | | ea7a32d2dc5bb793af262dcb6ea1a54d | +----------------------------------+ 2 rows in set (0.00 sec)
Following is the query to convert a stored md5 string to a decimal value in MySQL −
mysql> select cast(conv(substr(Password, 1, 16), 16, 10) as decimal(65))*18446744073709551616 + cast(conv(substr(Password, 17, 16), 16, 10) as decimal(65)) AS DecimalValue from DemoTable;
This will produce the following output −
+-----------------------------------------+ | DecimalValue | +-----------------------------------------+ | 219619200658969319114298942978912194200 | | 311673842057003455136843080376797734221 | +-----------------------------------------+ 2 rows in set (0.00 sec)
Updated on: 03-Oct-2019
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