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acosonic/uuid.sql

Created December 24, 2022 23:49
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Truly random MySQL uuid (taken from https://stackoverflow.com/a/60091504/800965)
Raw
uuid.sql
UPDATE mytable SET uuid=(LOWER(CONCAT(
LPAD(HEX(ROUND(rand()*POW(2,32))), 8, '0'), '-',
LPAD(HEX(ROUND(rand()*POW(2,16))), 4, '0'), '-',
LPAD(HEX(ROUND(rand()*POW(2,16))), 4, '0'), '-',
LPAD(HEX(ROUND(rand()*POW(2,16))), 4, '0'), '-',
LPAD(HEX(ROUND(rand()*POW(2,48))), 12, '0')
)));
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