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Sort records with special characters like '2321/78/54-6'
To sort, use ORDER BY SUBSTRING(). Let us first create a table −
mysql> create table DemoTable -> ( -> Value varchar(40) -> ); Query OK, 0 rows affected (0.59 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable values('2321/78/54-6')
-> ;
Query OK, 1 row affected (0.15 sec)
mysql> insert into DemoTable values('2321/78/54-8');
Query OK, 1 row affected (0.16 sec)
mysql> insert into DemoTable values('2321/78/54-5');
Query OK, 1 row affected (0.12 sec)
mysql> insert into DemoTable values('2321/78/54-9');
Query OK, 1 row affected (0.21 sec)Display all records from the table using select statement −
mysql> select * from DemoTable;
This will produce the following output −
+--------------+ | Value | +--------------+ | 2321/78/54-6 | | 2321/78/54-8 | | 2321/78/54-5 | | 2321/78/54-9 | +--------------+ 4 rows in set (0.00 sec)
Here is the query to sort records with special characters −
mysql> select * from DemoTable -> where Value like '2321/78/54%' -> order by substring(Value from 1 for 10),cast(substring(Value from 11) as decimal);
This will produce the following output −
+--------------+ | Value | +--------------+ | 2321/78/54-9 | | 2321/78/54-8 | | 2321/78/54-6 | | 2321/78/54-5 | +--------------+ 4 rows in set (0.05 sec)
Updated on: 26-Feb-2020
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