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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 seorphates on Friday June 09, 2017 @06:18PM (#14525029)
100% correct - UUID strings are ASCII < 128 .. but there are imposters for character code 45 ("-"). Assumption based approaches to conversions or field handling should not be assumed to be safe ones just because UUID is "technically" ASCII. Only the keeper of the field can truly enforce that constraint.
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