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A comment on Be Careful with UUID or GUID as Primary Keys. Parent comment

Re:Be Careful with UUID or GUID as Primary Keys by morgo on Friday June 09, 2017 @05:05PM (#14524566)
See my reply to parent on why the max must be calculated (no false positives on duplicate key in edge case).

The default row format changes in 5.7, so key size is max is now much larger.

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