[GitHub] [incubator-doris] morningman opened a new pull request #1457: Validate the UTF-8 encode of loading data

[GitBox <gi...@apache.org>]

morningman opened a new pull request #1457: Validate the UTF-8 encode of loading data
URL: https://github.com/apache/incubator-doris/pull/1457
 
 
   Currently, Doris only support UTF-8 encoded data. All data will be
   shown to user in UTF-8 format. So if data loaded in Doris does not
   UTF-8 encoded, user will see garbled data when querying.
   
   I introduce a fast UTF-8 validator from
   
       https://github.com/lemire/fastvalidate-utf-8
   
   This validator is highly optimized that it only takes 0.7 CPU cycles
   to validata a 64k string. And by testing 1GB data load to Doris, the
   validator has no impact on performance.

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