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| DROP TABLE IF EXISTS `test_table`;
CREATE TABLE `test_table` (
`id` int(11) NOT NULL AUTO_INCREMENT,
`name` varchar(20) DEFAULT NULL,
`type` enum('First','Second','Third','Last') DEFAULT NULL,
`set` set('First','Second','Third','Last') DEFAULT NULL,
`num1` int(11) NOT NULL DEFAULT 0,
`num2` int(11) NOT NULL DEFAULT 0,
PRIMARY KEY (`id`),
UNIQUE KEY `name` (`name`)
) ENGINE=InnoDB AUTO_INCREMENT=10 DEFAULT CHARSET=latin1;
INSERT INTO `test_table` (`id`,`name`,`type`,`set`,`num1`,`num2`) VALUES
(1,'Art 1','First','Last',1,7),
(2,'Art 2','Second','First,Last',3,7),
(3,'Art 3','Second','Second,Last',5,7),
(4,'Art 4','Third','First,Second,Last',5,7),
(5,'Art 5','Last','First,Last',7,15),
(6,'Art 6','First','First,Last',7,15),
(7,'Art 7','Third','First,Third,Last',9,15),
(8,'Art 8','Last','Second,Third,Last',9,15);
select * from `test_table`;
select group_concat(name), group_concat(`type`), group_concat(distinct `type`) from test_table;
select group_concat(name order by `type` asc separator ' - ') from test_table;
select group_concat(name order by name desc separator ' - ') from test_table;
select group_concat(name order by name desc separator ' - ' limit 3, 3) from test_table;
select group_concat(name order by name desc separator ' - ' limit 3 offset 3) from test_table;
select group_concat(name, '.', `type` order by `type` desc, name asc separator ' - ' limit 2, 6) from test_table;
SELECT group_concat(null);
|
