Created
April 25, 2013 14:15
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A quine in SQL.
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SET SESSION group_concat_max_len = 1600; | |
DROP TABLE IF EXISTS `list`; | |
CREATE TABLE `list` ( | |
`id` INT(10) NOT NULL AUTO_INCREMENT, | |
`var` VARCHAR(120) NOT NULL, | |
PRIMARY KEY (`id`) | |
); | |
INSERT INTO `list` (`var`) VALUES | |
("SET SESSION group_concat_max_len = 1600;"), | |
("DROP TABLE IF EXISTS `list`;"), | |
("CREATE TABLE `list` ("), | |
(" `id` INT(10) NOT NULL AUTO_INCREMENT,"), | |
(" `var` VARCHAR(120) NOT NULL,"), | |
(" PRIMARY KEY (`id`)"), | |
(");"), | |
("INSERT INTO `list` (`var`) VALUES"), | |
(";"), | |
("SELECT GROUP_CONCAT(`var` SEPARATOR '\\r\\n') var"), | |
("FROM ("), | |
("( SELECT GROUP_CONCAT(`var` SEPARATOR '\\r\\n') var"), | |
(" FROM `list`"), | |
(" WHERE id<=8"), | |
(" ORDER BY `id`)"), | |
("UNION"), | |
("( SELECT GROUP_CONCAT(CONCAT(' (\"', REPLACE(REPLACE(`var`, '\\\\', '\\\\\\\\'), '\"', '\\\\\"' ), '\")') SEPARATOR ',\\r\\n') var"), | |
(" FROM `list`"), | |
(" ORDER BY `id`)"), | |
("UNION"), | |
("( SELECT GROUP_CONCAT(`var` SEPARATOR '\\r\\n') var"), | |
(" FROM `list`"), | |
(" WHERE id>8"), | |
(" ORDER BY `id`)"), | |
(") t;") | |
; | |
SELECT GROUP_CONCAT(`var` SEPARATOR '\r\n') var | |
FROM ( | |
( SELECT GROUP_CONCAT(`var` SEPARATOR '\r\n') var | |
FROM `list` | |
WHERE id<=8 | |
ORDER BY `id`) | |
UNION | |
( SELECT GROUP_CONCAT(CONCAT(' ("', REPLACE(REPLACE(`var`, '\\', '\\\\'), '"', '\\"' ), '")') SEPARATOR ',\r\n') var | |
FROM `list` | |
ORDER BY `id`) | |
UNION | |
( SELECT GROUP_CONCAT(`var` SEPARATOR '\r\n') var | |
FROM `list` | |
WHERE id>8 | |
ORDER BY `id`) | |
) t; |
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