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June 17, 2019 08:36
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Generates the table of integer numbers in Transact-SQL (Microsoft SQL Server)
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/* | |
Result values table | |
You could change it to permanent table like s/#integers/dbo.Integers/g | |
*/ | |
DROP TABLE IF EXISTS #integers; | |
CREATE TABLE #integers ( | |
i INT NOT NULL PRIMARY KEY | |
); | |
/* | |
Fast fill with integer number from 0 to 10^5 - 1 | |
*/ | |
WITH a AS ( | |
SELECT a.n | |
FROM(VALUES(0), (1), (2), (3), (4), (5), (6), (7), (8), (9)) AS a(n) | |
) | |
INSERT INTO #integers (i) | |
SELECT | |
/* Kind of a binary magick */ | |
a.n + 10 * a1.n + 100 * a2.n + 1000 * a3.n + 10000 * a4.n + 100000 * a5.n | |
FROM a | |
CROSS JOIN a AS a1 | |
CROSS JOIN a AS a2 | |
CROSS JOIN a AS a3 | |
CROSS JOIN a AS a4 | |
CROSS JOIN a AS a5 | |
; |
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