[GitHub] [arrow-rs] tustvold commented on issue #3826: Support Casting Between Binary / LargeBinary and FixedSizeBinary

["tustvold (via GitHub)" <gi...@apache.org>]

tustvold commented on issue #3826:
URL: https://github.com/apache/arrow-rs/issues/3826#issuecomment-1461991619

   > what do you think about casting between UTF8 and FixedSizeBinary
   
   Given the cast from UTF8 -> Binary is purely a metadata operation, I see no reason we couldn't support this using the same logic.
   
   That being said, I should highlight that the cast peformed by arrow-cast, casts the underlying bytes themselves, which may not be what people are after in the case of https://github.com/apache/arrow-datafusion/issues/5530
   
   In particular `'002920a3044b3c9f56e797b8'` would be converted to `[48, 48, 50, 57, ...]` not `[0x00, 0x00, ...]`


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