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Perform custom sorting in MySQL
To perform custom sorting in MySQL, use ORDER BY FIELD(). Let us first create a table −
mysql> create table DemoTable -> ( -> Id int -> ); Query OK, 0 rows affected (0.82 sec)
Insert some records in the table using insert command:
mysql> insert into DemoTable values(101); Query OK, 1 row affected (0.23 sec) mysql> insert into DemoTable values(103); Query OK, 1 row affected (0.11 sec) mysql> insert into DemoTable values(102); Query OK, 1 row affected (0.08 sec) mysql> insert into DemoTable values(105); Query OK, 1 row affected (0.14 sec)
Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+------+ | Id | +------+ | 101 | | 103 | | 102 | | 105 | +------+ 4 rows in set (0.00 sec)
Here is the query to perform custom sorting −
mysql> select *from DemoTable order by field(Id,102,105,101,103);
This will produce the following output −
+------+ | Id | +------+ | 102 | | 105 | | 101 | | 103 | +------+ 4 rows in set (0.00 sec)
Updated on: 18-Dec-2019
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