[GitHub] [spark] beliefer commented on pull request #30981: [SPARK-33947][SQL] String functions: Trim/Ltrim/Rtrim support byte array

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

beliefer commented on pull request #30981:
URL: https://github.com/apache/spark/pull/30981#issuecomment-755239332


   > Hm, what's the use case for this? this is trimming as if the byte array represents a string, but byte arrays aren't strings, and this gets into issues of what defines encoding and whitespace too.
   
   According the description of Postgre, btrim remove the longest bytes appearing in bytes from the start and end of bytes.


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