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cupen/just_biang_biang.sql

Last active August 29, 2015 14:06
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just_biang_biang.sql
CREATE TABLE `test` (
`i` int(255) NULL DEFAULT 0
)
ENGINE=InnoDB
DEFAULT CHARACTER SET=utf8 COLLATE=utf8_general_ci
SELECT
t1.i as idx1,
t2.i as idx2
FROM
test as t1
LEFT JOIN test as t2 ON (t1.i - t2.i) = 1
WHERE
ISNULL(t2.i);
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