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SET AUTOCOMMIT = 0
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START TRANSACTION
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SET session collation_connection=latin1_general_ci
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DROP DATABASE IF EXISTS `base`
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CREATE DATABASE `base`
DEFAULT CHARACTER SET `latin1`
DEFAULT COLLATE `latin1_general_ci`
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DROP TABLE IF EXISTS `test`
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CREATE TABLE `test`
(
`clas` integer unsigned NOT NULL AUTO_INCREMENT primary key,
`joueur` char(04) NOT NULL,
`bag` char(06) NOT NULL,
`points` integer unsigned NOT NULL
) ENGINE=InnoDB
DEFAULT CHARSET=`latin1` COLLATE=`latin1_general_ci`
ROW_FORMAT=COMPRESSED
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INSERT INTO `test` (`joueur`, `bag`, `points`) VALUES
('toto', '454-15', 100),
('toto', '451-15', 90),
('toto', '452-15', 80),
('yass', '455-15', 80),
('yass', '456-15', 60),
('yass', '454-15', 70)
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select * from test
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+------+--------+--------+--------+
| clas | joueur | bag | points |
+------+--------+--------+--------+
| 1 | toto | 454-15 | 100 |
| 2 | toto | 451-15 | 90 |
| 3 | toto | 452-15 | 80 |
| 4 | yass | 455-15 | 80 |
| 5 | yass | 456-15 | 60 |
| 6 | yass | 454-15 | 70 |
+------+--------+--------+--------+
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select any_value(clas), joueur, sum(points) as som
from (
select clas, points, bag,
@num:=if (@prev=joueur,@num+1,1) as num,
@prev:=joueur as joueur
from test,(select @num:=0, @prev:=' ') as x
order by joueur, points desc
) as y
where num < 3
group by joueur
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+-----------------+--------+------+
| any_value(clas) | joueur | som |
+-----------------+--------+------+
| 1 | toto | 190 |
| 4 | yass | 150 |
+-----------------+--------+------+
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COMMIT
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SET AUTOCOMMIT = 1
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