2016-12-11 10:57:34 +00:00
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SELECT UUIDNumToString(toFixedString(unhex('0123456789ABCDEF0123456789ABCDEF' AS hex) AS bytes, 16) AS uuid_binary) AS uuid_string, hex(UUIDStringToNum(uuid_string)) = hex AS test1, UUIDStringToNum(uuid_string) = bytes AS test2;
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SELECT UUIDNumToString(toFixedString(unhex(materialize('0123456789ABCDEF0123456789ABCDEF') AS hex) AS bytes, 16) AS uuid_binary) AS uuid_string, hex(UUIDStringToNum(uuid_string)) = hex AS test1, UUIDStringToNum(uuid_string) = bytes AS test2;
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SELECT hex(UUIDStringToNum('01234567-89ab-cdef-0123-456789abcdef'));
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SELECT hex(UUIDStringToNum(materialize('01234567-89ab-cdef-0123-456789abcdef')));
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SELECT '01234567-89ab-cdef-0123-456789abcdef' AS str, UUIDNumToString(UUIDStringToNum(str)), UUIDNumToString(UUIDStringToNum(toFixedString(str, 36)));
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SELECT materialize('01234567-89ab-cdef-0123-456789abcdef') AS str, UUIDNumToString(UUIDStringToNum(str)), UUIDNumToString(UUIDStringToNum(toFixedString(str, 36)));
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2018-09-10 08:48:39 +00:00
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SELECT toString(toUUID('3f1ed72e-f7fe-4459-9cbe-95fe9298f845'));
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2020-09-30 17:19:32 +00:00
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-- conversion back and forth to big-endian hex string
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with generateUUIDv4() as uuid,
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identity(lower(hex(reverse(reinterpretAsString(uuid))))) as str,
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reinterpretAsUUID(reverse(unhex(str))) as uuid2
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select uuid = uuid2;
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