Just out of curiosity, why string-encoded UUIDs? A native/binary UUID column type should not take more than 16 bytes, whereas its hexadecimal string representat

Just out of curiosity, why string-encoded UUIDs? A native/binary UUID column type should not take more than 16 bytes, whereas its hexadecimal string representation requires 36 bytes (if we assume 1 byte per character). That would result in an index size more than twice as big as required.