Comments on: Generate random integers using tsql UDFs

By: gist

gist — Tue, 22 Mar 2011 05:05:15 +0000

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By: Eric Fickes

Eric Fickes — Tue, 13 Apr 2010 06:10:24 +0000

Hey Bjorn,

The variable @max_big is a safety net used during the random INT generation. If you called this function and passed 2147483647 as your @max_in, Line 64 would overflow because you'd be adding 1 to the maximum value of an INT.

By: » The ever illusive Dynamic Pivot

» The ever illusive Dynamic Pivot — Sat, 10 Apr 2010 15:48:07 +0000

[...] The random function used above was extracted from Eric Fickes' Blog. [...]

By: Björn

Björn — Sun, 07 Mar 2010 09:29:43 +0000

There may be a bug:

SELECT @rand_num = ( (@max_big + 1) – @min ) * @rand + @min;

should be:

SELECT @rand_num = ( (@max + 1) – @min ) * @rand + @min;