Created
March 30, 2012 19:39
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generate fragmented table
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DELIMITER $$ | |
CREATE PROCEDURE `createfragTable`() | |
BEGIN | |
DECLARE ii INT DEFAULT 0; | |
DROP TABLE IF EXISTS fragme; | |
CREATE TABLE fragme ( | |
`id` INT NOT NULL AUTO_INCREMENT , | |
`col0` BLOB NULL , | |
`col1` BLOB NULL , | |
`col2` BLOB NULL , | |
`col3` BLOB NULL , | |
`col4` BLOB NULL , | |
`col5` BLOB NULL , | |
`col6` BLOB NULL , | |
`col7` BLOB NULL , | |
`col8` BLOB NULL , | |
`col9` BLOB NULL , | |
PRIMARY KEY (`id`) | |
); | |
-- seed the table | |
INSERT INTO fragme (col0,col1,col2,col3,col4,col5,col6,col7,col8,col9) | |
SELECT UUID(), UUID(),UUID(),UUID(),UUID(),UUID(),UUID(),UUID(),UUID(),UUID() | |
; | |
WHILE ii <= 20 DO | |
INSERT INTO fragme (col0,col1,col2,col3,col4,col5,col6,col7,col8,col9) | |
SELECT col0,col1,col2,col3,col4,col5,col6,col7,col8,col9 | |
FROM fragme | |
; | |
SET ii = ii + 1; | |
END WHILE; | |
END | |
$$ | |
DELIMITER ; | |
call createfragTable(); | |
DELETE FROM fragme | |
WHERE id % 2 = 0; |
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