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New line separator doesn't work for group_concat function in MySQL? How to use it correctly?
To use new line separator in group_concat() function, follow the below syntax −
select group_concat(concat_ws(' ',yourColumnName1, yourColumnName2) SEPARATOR "\r
") from yourTableName;Let us first create a table −
mysql> create table DemoTable ( Id int NOT NULL AUTO_INCREMENT PRIMARY KEY, FirstName varchar(20), LastName varchar(20) ); Query OK, 0 rows affected (0.67 sec)
Insert some records in the table using insert command −
mysql> insert into DemoTable(FirstName,LastName) values('John','Smith');
Query OK, 1 row affected (0.10 sec)
mysql> insert into DemoTable(FirstName,LastName) values('David','Miller');
Query OK, 1 row affected (0.14 sec)
mysql> insert into DemoTable(FirstName,LastName) values('John','Doe');
Query OK, 1 row affected (0.13 sec)Display all records from the table using select statement −
mysql> select *from DemoTable;
This will produce the following output −
+----+-----------+----------+ | Id | FirstName | LastName | +----+-----------+----------+ | 1 | John | Smith | | 2 | David | Miller | | 3 | John | Doe | +----+-----------+----------+ 3 rows in set (0.00 sec)
Following is the query to work with new line separator for group_concat function −
mysql> select group_concat(concat_ws(' ',FirstName, LastName) SEPARATOR "\r
") from DemoTable;This will produce the following output &mnus;
+-------------------------------------------------------------------+
| group_concat(concat_ws(' ',FirstName, LastName) SEPARATOR "\r
") |
+-------------------------------------------------------------------+
| John Smith David Miller John Doe |
+-------------------------------------------------------------------+
1 row in set (0.00 sec)
Updated on: 30-Jul-2019
1K+ Views
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